---
_id: '4777'
author:
- first_name: P. S.
  full_name: Vassilevski, P. S.
  last_name: Vassilevski
- first_name: Svetozara
  full_name: Petrova, Svetozara
  id: '201871'
  last_name: Petrova
- first_name: R. D.
  full_name: Lazarov, R. D.
  last_name: Lazarov
citation:
  alphadin: '<span style="font-variant:small-caps;">Vassilevski, P. S.</span> ; <span
    style="font-variant:small-caps;">Petrova, Svetozara</span> ; <span style="font-variant:small-caps;">Lazarov,
    R. D.</span>: Preconditioning elliptic problems on grids with multilevel local
    refinement. In: <i>Mathematica Balkanica</i> Bd. 8 (1994), S. 179–196'
  ama: Vassilevski PS, Petrova S, Lazarov RD. Preconditioning elliptic problems on
    grids with multilevel local refinement. <i>Mathematica Balkanica</i>. 1994;8:179-196.
  apa: Vassilevski, P. S., Petrova, S., &#38; Lazarov, R. D. (1994). Preconditioning
    elliptic problems on grids with multilevel local refinement. <i>Mathematica Balkanica</i>,
    <i>8</i>, 179–196.
  bibtex: '@article{Vassilevski_Petrova_Lazarov_1994, title={Preconditioning elliptic
    problems on grids with multilevel local refinement}, volume={8}, journal={Mathematica
    Balkanica}, author={Vassilevski, P. S. and Petrova, Svetozara and Lazarov, R.
    D.}, year={1994}, pages={179–196} }'
  chicago: 'Vassilevski, P. S., Svetozara Petrova, and R. D. Lazarov. “Preconditioning
    Elliptic Problems on Grids with Multilevel Local Refinement.” <i>Mathematica Balkanica</i>
    8 (1994): 179–96.'
  ieee: P. S. Vassilevski, S. Petrova, and R. D. Lazarov, “Preconditioning elliptic
    problems on grids with multilevel local refinement,” <i>Mathematica Balkanica</i>,
    vol. 8, pp. 179–196, 1994.
  mla: Vassilevski, P. S., et al. “Preconditioning Elliptic Problems on Grids with
    Multilevel Local Refinement.” <i>Mathematica Balkanica</i>, vol. 8, 1994, pp.
    179–96.
  short: P.S. Vassilevski, S. Petrova, R.D. Lazarov, Mathematica Balkanica 8 (1994)
    179–196.
date_created: 2024-07-04T13:43:12Z
date_updated: 2026-03-17T15:29:06Z
intvolume: '         8'
language:
- iso: eng
page: 179-196
project:
- _id: f432a2ee-bceb-11ed-a251-a83585c5074d
  name: Institute for Data Science Solutions
publication: Mathematica Balkanica
status: public
title: Preconditioning elliptic problems on grids with multilevel local refinement
type: journal_article
user_id: '243110'
volume: 8
year: '1994'
...
---
_id: '4778'
author:
- first_name: C.
  full_name: Brand, C.
  last_name: Brand
- first_name: Svetozara
  full_name: Petrova, Svetozara
  id: '201871'
  last_name: Petrova
citation:
  alphadin: '<span style="font-variant:small-caps;">Brand, C.</span> ; <span style="font-variant:small-caps;">Petrova,
    Svetozara</span>: Computing extreme eigenvalues of large sparse symmetric problems.
    In: <span style="font-variant:small-caps;">Dimov, I. T.</span> ; <span style="font-variant:small-caps;">Sendov,
    B.</span> ; <span style="font-variant:small-caps;">Vassilevski, P. S.</span> ;
    <span style="font-variant:small-caps;"> ‎ World Scientific Pub Co Inc</span> (Hrsg.):
    <i>Advances in Numerical Methods and Applications: Proceedings of the Third International
    Conference</i>, 1994'
  ama: 'Brand C, Petrova S. Computing extreme eigenvalues of large sparse symmetric
    problems. In: Dimov IT, Sendov B, Vassilevski PS,  ‎ World Scientific Pub Co Inc,
    eds. <i>Advances in Numerical Methods and Applications: Proceedings of the Third
    International Conference</i>. ; 1994.'
  apa: 'Brand, C., &#38; Petrova, S. (1994). Computing extreme eigenvalues of large
    sparse symmetric problems. In I. T. Dimov, B. Sendov, P. S. Vassilevski, &#38;  ‎
    World Scientific Pub Co Inc (Eds.), <i>Advances in Numerical Methods and Applications:
    Proceedings of the Third International Conference</i>. Sofia, Bulgaria.'
  bibtex: '@inproceedings{Brand_Petrova_1994, title={Computing extreme eigenvalues
    of large sparse symmetric problems}, booktitle={Advances in Numerical Methods
    and Applications: Proceedings of the Third International Conference}, author={Brand,
    C. and Petrova, Svetozara}, editor={Dimov, I. T.  and Sendov, Bl.  and Vassilevski,
    P. S. and  ‎ World Scientific Pub Co IncEditors}, year={1994} }'
  chicago: 'Brand, C., and Svetozara Petrova. “Computing Extreme Eigenvalues of Large
    Sparse Symmetric Problems.” In <i>Advances in Numerical Methods and Applications:
    Proceedings of the Third International Conference</i>, edited by I. T.  Dimov,
    Bl.  Sendov, P. S. Vassilevski, and  ‎ World Scientific Pub Co Inc, 1994.'
  ieee: 'C. Brand and S. Petrova, “Computing extreme eigenvalues of large sparse symmetric
    problems,” in <i>Advances in Numerical Methods and Applications: Proceedings of
    the Third International Conference</i>, Sofia, Bulgaria, 1994.'
  mla: 'Brand, C., and Svetozara Petrova. “Computing Extreme Eigenvalues of Large
    Sparse Symmetric Problems.” <i>Advances in Numerical Methods and Applications:
    Proceedings of the Third International Conference</i>, edited by I. T.  Dimov
    et al., 1994.'
  short: 'C. Brand, S. Petrova, in: I.T. Dimov, B. Sendov, P.S. Vassilevski,  ‎ World
    Scientific Pub Co Inc (Eds.), Advances in Numerical Methods and Applications:
    Proceedings of the Third International Conference, 1994.'
conference:
  end_date: 1994-08-26
  location: Sofia, Bulgaria
  name: Third International Conference on Numerical Methods and Applications
  start_date: 1994-08-21
corporate_editor:
- ' ‎ World Scientific Pub Co Inc'
date_created: 2024-07-04T13:48:53Z
date_updated: 2026-03-17T15:29:06Z
editor:
- first_name: 'I. T. '
  full_name: 'Dimov, I. T. '
  last_name: Dimov
- first_name: 'Bl. '
  full_name: 'Sendov, Bl. '
  last_name: Sendov
- first_name: P. S.
  full_name: Vassilevski, P. S.
  last_name: Vassilevski
language:
- iso: eng
publication: 'Advances in Numerical Methods and Applications: Proceedings of the Third
  International Conference'
publication_identifier:
  isbn:
  - 978-9810219260
status: public
title: Computing extreme eigenvalues of large sparse symmetric problems
type: conference
user_id: '220548'
year: '1994'
...
---
_id: '1161'
author:
- first_name: Felix
  full_name: Büchel, Felix
  last_name: Büchel
- first_name: Markus
  full_name: Pannenberg, Markus
  id: '201086'
  last_name: Pannenberg
citation:
  alphadin: '<span style="font-variant:small-caps;">Büchel, Felix</span> ; <span style="font-variant:small-caps;">Pannenberg,
    Markus</span>: On-the-Job Training, innerbetriebliche Karrierepfade und Einkommensentwicklung
    / On-the-Job Training, Promotion and Earnings Dynamics Observed Within Firms.
    In: <i>Jahrbücher für Nationalökonomie und Statistik</i> Bd. 213, Walter de Gruyter
    GmbH (1994), Nr. 3'
  ama: Büchel F, Pannenberg M. On-the-Job Training, innerbetriebliche Karrierepfade
    und Einkommensentwicklung / On-the-Job Training, Promotion and Earnings Dynamics
    Observed Within Firms. <i>Jahrbücher für Nationalökonomie und Statistik</i>. 1994;213(3).
    doi:<a href="https://doi.org/10.1515/jbnst-1994-0303">10.1515/jbnst-1994-0303</a>
  apa: Büchel, F., &#38; Pannenberg, M. (1994). On-the-Job Training, innerbetriebliche
    Karrierepfade und Einkommensentwicklung / On-the-Job Training, Promotion and Earnings
    Dynamics Observed Within Firms. <i>Jahrbücher Für Nationalökonomie Und Statistik</i>,
    <i>213</i>(3). <a href="https://doi.org/10.1515/jbnst-1994-0303">https://doi.org/10.1515/jbnst-1994-0303</a>
  bibtex: '@article{Büchel_Pannenberg_1994, title={On-the-Job Training, innerbetriebliche
    Karrierepfade und Einkommensentwicklung / On-the-Job Training, Promotion and Earnings
    Dynamics Observed Within Firms}, volume={213}, DOI={<a href="https://doi.org/10.1515/jbnst-1994-0303">10.1515/jbnst-1994-0303</a>},
    number={3}, journal={Jahrbücher für Nationalökonomie und Statistik}, publisher={Walter
    de Gruyter GmbH}, author={Büchel, Felix and Pannenberg, Markus}, year={1994} }'
  chicago: Büchel, Felix, and Markus Pannenberg. “On-the-Job Training, Innerbetriebliche
    Karrierepfade Und Einkommensentwicklung / On-the-Job Training, Promotion and Earnings
    Dynamics Observed Within Firms.” <i>Jahrbücher Für Nationalökonomie Und Statistik</i>
    213, no. 3 (1994). <a href="https://doi.org/10.1515/jbnst-1994-0303">https://doi.org/10.1515/jbnst-1994-0303</a>.
  ieee: F. Büchel and M. Pannenberg, “On-the-Job Training, innerbetriebliche Karrierepfade
    und Einkommensentwicklung / On-the-Job Training, Promotion and Earnings Dynamics
    Observed Within Firms,” <i>Jahrbücher für Nationalökonomie und Statistik</i>,
    vol. 213, no. 3, 1994.
  mla: Büchel, Felix, and Markus Pannenberg. “On-the-Job Training, Innerbetriebliche
    Karrierepfade Und Einkommensentwicklung / On-the-Job Training, Promotion and Earnings
    Dynamics Observed Within Firms.” <i>Jahrbücher Für Nationalökonomie Und Statistik</i>,
    vol. 213, no. 3, Walter de Gruyter GmbH, 1994, doi:<a href="https://doi.org/10.1515/jbnst-1994-0303">10.1515/jbnst-1994-0303</a>.
  short: F. Büchel, M. Pannenberg, Jahrbücher Für Nationalökonomie Und Statistik 213
    (1994).
date_created: 2021-06-03T12:54:14Z
date_updated: 2026-03-17T15:28:15Z
doi: 10.1515/jbnst-1994-0303
intvolume: '       213'
issue: '3'
language:
- iso: eng
publication: Jahrbücher für Nationalökonomie und Statistik
publication_identifier:
  eissn:
  - 2366-049X
  issn:
  - 0021-4027
publication_status: published
publisher: Walter de Gruyter GmbH
status: public
title: On-the-Job Training, innerbetriebliche Karrierepfade und Einkommensentwicklung
  / On-the-Job Training, Promotion and Earnings Dynamics Observed Within Firms
type: journal_article
user_id: '220548'
volume: 213
year: '1994'
...
---
_id: '5636'
alternative_id:
- '4478'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span>: Directional
    K- Functionals. In: <i>Results in Mathematics</i> Bd. 24, Springer Science and
    Business Media LLC (1993), Nr. 3–4, S. 211–221'
  ama: Cottin C. Directional K- Functionals. <i>Results in Mathematics</i>. 1993;24(3-4):211-221.
    doi:<a href="https://doi.org/10.1007/BF03322331">10.1007/BF03322331</a>
  apa: Cottin, C. (1993). Directional K- Functionals. <i>Results in Mathematics</i>,
    <i>24</i>(3–4), 211–221. <a href="https://doi.org/10.1007/BF03322331">https://doi.org/10.1007/BF03322331</a>
  bibtex: '@article{Cottin_1993, title={Directional K- Functionals}, volume={24},
    DOI={<a href="https://doi.org/10.1007/BF03322331">10.1007/BF03322331</a>}, number={3–4},
    journal={Results in Mathematics}, publisher={Springer Science and Business Media
    LLC}, author={Cottin, Claudia}, year={1993}, pages={211–221} }'
  chicago: 'Cottin, Claudia. “Directional K- Functionals.” <i>Results in Mathematics</i>
    24, no. 3–4 (1993): 211–21. <a href="https://doi.org/10.1007/BF03322331">https://doi.org/10.1007/BF03322331</a>.'
  ieee: C. Cottin, “Directional K- Functionals,” <i>Results in Mathematics</i>, vol.
    24, no. 3–4, pp. 211–221, 1993.
  mla: Cottin, Claudia. “Directional K- Functionals.” <i>Results in Mathematics</i>,
    vol. 24, no. 3–4, Springer Science and Business Media LLC, 1993, pp. 211–21, doi:<a
    href="https://doi.org/10.1007/BF03322331">10.1007/BF03322331</a>.
  short: C. Cottin, Results in Mathematics 24 (1993) 211–221.
date_created: 2025-02-16T18:56:33Z
date_updated: 2026-03-17T15:29:20Z
doi: 10.1007/BF03322331
extern: '1'
intvolume: '        24'
issue: 3-4
language:
- iso: eng
page: 211-221
project:
- _id: f432a2ee-bceb-11ed-a251-a83585c5074d
  name: Institute for Data Science Solutions
publication: Results in Mathematics
publication_identifier:
  eissn:
  - 1420-9012
  issn:
  - 1422-6383
publication_status: published
publisher: Springer Science and Business Media LLC
status: public
title: Directional K- Functionals
type: journal_article
user_id: '220548'
volume: 24
year: '1993'
...
---
_id: '5637'
alternative_id:
- '4479'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span>: Directional
    extensions of univariate operators and Boolean sum approximation. In: <i>Analysis</i>
    Bd. 13, Walter de Gruyter GmbH (1993), Nr. 1–2, S. 185–200'
  ama: Cottin C. Directional extensions of univariate operators and Boolean sum approximation.
    <i>Analysis</i>. 1993;13(1-2):185-200. doi:<a href="https://doi.org/10.1524/anly.1993.13.12.185">10.1524/anly.1993.13.12.185</a>
  apa: Cottin, C. (1993). Directional extensions of univariate operators and Boolean
    sum approximation. <i>Analysis</i>, <i>13</i>(1–2), 185–200. <a href="https://doi.org/10.1524/anly.1993.13.12.185">https://doi.org/10.1524/anly.1993.13.12.185</a>
  bibtex: '@article{Cottin_1993, title={Directional extensions of univariate operators
    and Boolean sum approximation}, volume={13}, DOI={<a href="https://doi.org/10.1524/anly.1993.13.12.185">10.1524/anly.1993.13.12.185</a>},
    number={1–2}, journal={Analysis}, publisher={Walter de Gruyter GmbH}, author={Cottin,
    Claudia}, year={1993}, pages={185–200} }'
  chicago: 'Cottin, Claudia. “Directional Extensions of Univariate Operators and Boolean
    Sum Approximation.” <i>Analysis</i> 13, no. 1–2 (1993): 185–200. <a href="https://doi.org/10.1524/anly.1993.13.12.185">https://doi.org/10.1524/anly.1993.13.12.185</a>.'
  ieee: C. Cottin, “Directional extensions of univariate operators and Boolean sum
    approximation,” <i>Analysis</i>, vol. 13, no. 1–2, pp. 185–200, 1993.
  mla: Cottin, Claudia. “Directional Extensions of Univariate Operators and Boolean
    Sum Approximation.” <i>Analysis</i>, vol. 13, no. 1–2, Walter de Gruyter GmbH,
    1993, pp. 185–200, doi:<a href="https://doi.org/10.1524/anly.1993.13.12.185">10.1524/anly.1993.13.12.185</a>.
  short: C. Cottin, Analysis 13 (1993) 185–200.
date_created: 2025-02-16T18:58:28Z
date_updated: 2026-03-17T15:29:20Z
doi: 10.1524/anly.1993.13.12.185
extern: '1'
intvolume: '        13'
issue: 1-2
language:
- iso: eng
page: 185-200
publication: Analysis
publication_identifier:
  eissn:
  - 2196-6753
  issn:
  - 0174-4747
publication_status: published
publisher: Walter de Gruyter GmbH
status: public
title: Directional extensions of univariate operators and Boolean sum approximation
type: journal_article
user_id: '220548'
volume: 13
year: '1993'
...
---
_id: '5649'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
- first_name: 'Heinz H. '
  full_name: 'Gonska, Heinz H. '
  last_name: Gonska
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span> ; <span
    style="font-variant:small-caps;">Gonska, Heinz H. </span>: Simultaneous approximation
    and global smoothness preservation. In: <span style="font-variant:small-caps;">Circolo
    Matematico di Palermo</span> (Hrsg.): <i>Proceedings of the Second International
    Conference in Functional Analysis and Approximation Theory</i>, 1993'
  ama: 'Cottin C, Gonska HH. Simultaneous approximation and global smoothness preservation.
    In: Circolo Matematico di Palermo, ed. <i>Proceedings of the Second International
    Conference in Functional Analysis and Approximation Theory</i>. ; 1993.'
  apa: Cottin, C., &#38; Gonska, H. H. (1993). Simultaneous approximation and global
    smoothness preservation. In Circolo Matematico di Palermo (Ed.), <i>Proceedings
    of the Second International Conference in Functional Analysis and Approximation
    Theory</i>. Acquafredda di Maratea (Potenza).
  bibtex: '@inproceedings{Cottin_Gonska_1993, title={Simultaneous approximation and
    global smoothness preservation}, booktitle={Proceedings of the Second International
    Conference in Functional Analysis and Approximation Theory}, author={Cottin, Claudia
    and Gonska, Heinz H. }, editor={Circolo Matematico di PalermoEditor}, year={1993}
    }'
  chicago: Cottin, Claudia, and Heinz H.  Gonska. “Simultaneous Approximation and
    Global Smoothness Preservation.” In <i>Proceedings of the Second International
    Conference in Functional Analysis and Approximation Theory</i>, edited by Circolo
    Matematico di Palermo, 1993.
  ieee: C. Cottin and H. H. Gonska, “Simultaneous approximation and global smoothness
    preservation,” in <i>Proceedings of the Second International Conference in Functional
    Analysis and Approximation Theory</i>, Acquafredda di Maratea (Potenza), 1993.
  mla: Cottin, Claudia, and Heinz H. Gonska. “Simultaneous Approximation and Global
    Smoothness Preservation.” <i>Proceedings of the Second International Conference
    in Functional Analysis and Approximation Theory</i>, edited by Circolo Matematico
    di Palermo, 1993.
  short: 'C. Cottin, H.H. Gonska, in: Circolo Matematico di Palermo (Ed.), Proceedings
    of the Second International Conference in Functional Analysis and Approximation
    Theory, 1993.'
conference:
  end_date: 1992-09-19
  location: Acquafredda di Maratea (Potenza)
  name: ' Second International Conference in Functional Analysis and Approximation
    Theory'
  start_date: 1992-09-14
corporate_editor:
- Circolo Matematico di Palermo
date_created: 2025-02-18T11:10:33Z
date_updated: 2026-03-17T15:29:20Z
extern: '1'
file:
- access_level: open_access
  content_type: application/pdf
  creator: ccottin
  date_created: 2025-02-18T11:10:21Z
  date_updated: 2025-02-18T11:10:21Z
  file_id: '5650'
  file_name: Scan_CCottin_HGonska_SimultaneousApproximation_Maratea1992.pdf
  file_size: 8861171
  relation: main_file
  success: 1
file_date_updated: 2025-02-18T11:10:21Z
has_accepted_license: '1'
language:
- iso: eng
oa: '1'
publication: Proceedings of the Second International Conference in Functional Analysis
  and Approximation Theory
status: public
title: Simultaneous approximation and global smoothness preservation
type: conference
urn: urn:nbn:de:hbz:bi10-56492
user_id: '220548'
year: '1993'
...
---
_id: '5656'
author:
- first_name: Catalin
  full_name: Badea, Catalin
  last_name: Badea
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
  orcid_put_code_url: https://api.orcid.org/v2.0/0000-0001-9212-5027/work/178723453
citation:
  alphadin: '<span style="font-variant:small-caps;">Badea, Catalin</span> ; <span
    style="font-variant:small-caps;">Cottin, Claudia</span>: Korovkin-type theorems
    for generalized Boolean sum operators. In: <span style="font-variant:small-caps;">Societatis
    Janos Bolyai </span> (Hrsg.): <i>Proc. Conf. „Approximation Theory“ Kecskemét
    1990, Colloquia Mathematica Societatis Janos Bolyai 58</i>, 1992, S. 51–68'
  ama: 'Badea C, Cottin C. Korovkin-type theorems for generalized Boolean sum operators.
    In: Societatis Janos Bolyai , ed. <i>Proc. Conf. “Approximation Theory” Kecskemét
    1990, Colloquia Mathematica Societatis Janos Bolyai 58</i>. ; 1992:51-68.'
  apa: Badea, C., &#38; Cottin, C. (1992). Korovkin-type theorems for generalized
    Boolean sum operators. In Societatis Janos Bolyai  (Ed.), <i>Proc. Conf. “Approximation
    Theory” Kecskemét 1990, Colloquia Mathematica Societatis Janos Bolyai 58</i> (pp.
    51–68). Kecskemét.
  bibtex: '@inproceedings{Badea_Cottin_1992, title={Korovkin-type theorems for generalized
    Boolean sum operators}, booktitle={Proc. Conf. “Approximation Theory” Kecskemét
    1990, Colloquia Mathematica Societatis Janos Bolyai 58}, author={Badea, Catalin
    and Cottin, Claudia}, editor={Societatis Janos Bolyai Editor}, year={1992}, pages={51–68}
    }'
  chicago: Badea, Catalin, and Claudia Cottin. “Korovkin-Type Theorems for Generalized
    Boolean Sum Operators.” In <i>Proc. Conf. “Approximation Theory” Kecskemét 1990,
    Colloquia Mathematica Societatis Janos Bolyai 58</i>, edited by Societatis Janos
    Bolyai , 51–68, 1992.
  ieee: C. Badea and C. Cottin, “Korovkin-type theorems for generalized Boolean sum
    operators,” in <i>Proc. Conf. “Approximation Theory” Kecskemét 1990, Colloquia
    Mathematica Societatis Janos Bolyai 58</i>, Kecskemét, 1992, pp. 51–68.
  mla: Badea, Catalin, and Claudia Cottin. “Korovkin-Type Theorems for Generalized
    Boolean Sum Operators.” <i>Proc. Conf. “Approximation Theory” Kecskemét 1990,
    Colloquia Mathematica Societatis Janos Bolyai 58</i>, edited by Societatis Janos
    Bolyai , 1992, pp. 51–68.
  short: 'C. Badea, C. Cottin, in: Societatis Janos Bolyai  (Ed.), Proc. Conf. “Approximation
    Theory” Kecskemét 1990, Colloquia Mathematica Societatis Janos Bolyai 58, 1992,
    pp. 51–68.'
conference:
  location: Kecskemét
  name: Approximation Theory
corporate_editor:
- 'Societatis Janos Bolyai '
date_created: 2025-02-18T15:18:20Z
date_updated: 2026-03-17T15:29:21Z
extern: '1'
language:
- iso: eng
page: 51-68
publication: Proc. Conf. "Approximation Theory" Kecskemét 1990, Colloquia Mathematica
  Societatis Janos Bolyai 58
publication_status: published
status: public
title: Korovkin-type theorems for generalized Boolean sum operators
type: conference
user_id: '33935'
year: '1992'
...
---
_id: '5739'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
  orcid_put_code_url: https://api.orcid.org/v2.0/0000-0001-9212-5027/work/178722346
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span>: A Jackson-type
    theorem on approximation by bounded trigonometric blending polynomials. In: <span
    style="font-variant:small-caps;">Ivanov, K. G.</span> ; <span style="font-variant:small-caps;">Petrushev,
    P. P.</span> ; <span style="font-variant:small-caps;">Sendov, B. H.</span> ; <span
    style="font-variant:small-caps;">Popov, V. A.</span> ; <span style="font-variant:small-caps;">Publ.
    House of the Bulgarian Academy of Sciences</span> (Hrsg.): <i>Constructive Theory
    of Functions, Proc. Conf. Varna 1991</i>. Sofia, 1992, S. 77–83'
  ama: 'Cottin C. A Jackson-type theorem on approximation by bounded trigonometric
    blending polynomials. In: Ivanov KG, Petrushev PP, Sendov BH, Popov VA, Publ.
    House of the Bulgarian Academy of Sciences, eds. <i>Constructive Theory of Functions,
    Proc. Conf. Varna 1991</i>. Sofia; 1992:77-83.'
  apa: Cottin, C. (1992). A Jackson-type theorem on approximation by bounded trigonometric
    blending polynomials. In K. G. Ivanov, P. P. Petrushev, B. H. Sendov, V. A. Popov,
    &#38; Publ. House of the Bulgarian Academy of Sciences (Eds.), <i>Constructive
    Theory of Functions, Proc. Conf. Varna 1991</i> (pp. 77–83). Sofia.
  bibtex: '@inproceedings{Cottin_1992, place={Sofia}, title={A Jackson-type theorem
    on approximation by bounded trigonometric blending polynomials}, booktitle={Constructive
    Theory of Functions, Proc. Conf. Varna 1991}, author={Cottin, Claudia}, editor={Ivanov,
    K.G. and Petrushev, P.P. and Sendov, B.H. and Popov, V.A. and Publ. House of the
    Bulgarian Academy of SciencesEditors}, year={1992}, pages={77–83} }'
  chicago: Cottin, Claudia. “A Jackson-Type Theorem on Approximation by Bounded Trigonometric
    Blending Polynomials.” In <i>Constructive Theory of Functions, Proc. Conf. Varna
    1991</i>, edited by K.G. Ivanov, P.P. Petrushev, B.H. Sendov, V.A. Popov, and
    Publ. House of the Bulgarian Academy of Sciences, 77–83. Sofia, 1992.
  ieee: C. Cottin, “A Jackson-type theorem on approximation by bounded trigonometric
    blending polynomials,” in <i>Constructive Theory of Functions, Proc. Conf. Varna
    1991</i>, Varna, 1992, pp. 77–83.
  mla: Cottin, Claudia. “A Jackson-Type Theorem on Approximation by Bounded Trigonometric
    Blending Polynomials.” <i>Constructive Theory of Functions, Proc. Conf. Varna
    1991</i>, edited by K.G. Ivanov et al., 1992, pp. 77–83.
  short: 'C. Cottin, in: K.G. Ivanov, P.P. Petrushev, B.H. Sendov, V.A. Popov, Publ.
    House of the Bulgarian Academy of Sciences (Eds.), Constructive Theory of Functions,
    Proc. Conf. Varna 1991, Sofia, 1992, pp. 77–83.'
conference:
  location: Varna
  name: Constructive Theory of Functions
corporate_editor:
- Publ. House of the Bulgarian Academy of Sciences
date_created: 2025-02-23T11:12:36Z
date_updated: 2026-03-17T15:29:21Z
editor:
- first_name: K.G.
  full_name: Ivanov, K.G.
  last_name: Ivanov
- first_name: P.P.
  full_name: Petrushev, P.P.
  last_name: Petrushev
- first_name: B.H.
  full_name: Sendov, B.H.
  last_name: Sendov
- first_name: V.A.
  full_name: Popov, V.A.
  last_name: Popov
extern: '1'
language:
- iso: eng
page: 77-83
place: Sofia
publication: Constructive Theory of Functions, Proc. Conf. Varna 1991
publication_status: published
status: public
title: A Jackson-type theorem on approximation by bounded trigonometric blending polynomials
type: conference
user_id: '220548'
year: '1992'
...
---
_id: '5740'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
  orcid_put_code_url: https://api.orcid.org/v2.0/0000-0001-9212-5027/work/178722454
- first_name: Heinz H.
  full_name: Gonska, Heinz H.
  last_name: Gonska
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span> ; <span
    style="font-variant:small-caps;">Gonska, Heinz H.</span>: A note on global smoothness
    preservation by Boolean sum operators. In: <span style="font-variant:small-caps;">Ivanov,
    K. G.</span> ; <span style="font-variant:small-caps;">Petrushev, P. P.</span>
    ; <span style="font-variant:small-caps;">Sendov, B. H.</span> ; <span style="font-variant:small-caps;">Popov,
    V. A.</span> ; <span style="font-variant:small-caps;">Publ. House of the Bulgarian
    Academy of Sciences</span> (Hrsg.): <i>Constructive Theory of Functions, Proc.
    Conf. Varna 1991</i>. Sofia, 1992, S. 85–91'
  ama: 'Cottin C, Gonska HH. A note on global smoothness preservation by Boolean sum
    operators. In: Ivanov KG, Petrushev PP, Sendov BH, Popov VA, Publ. House of the
    Bulgarian Academy of Sciences, eds. <i>Constructive Theory of Functions, Proc.
    Conf. Varna 1991</i>. Sofia; 1992:85-91.'
  apa: Cottin, C., &#38; Gonska, H. H. (1992). A note on global smoothness preservation
    by Boolean sum operators. In K. G. Ivanov, P. P. Petrushev, B. H. Sendov, V. A.
    Popov, &#38; Publ. House of the Bulgarian Academy of Sciences (Eds.), <i>Constructive
    Theory of Functions, Proc. Conf. Varna 1991</i> (pp. 85–91). Sofia.
  bibtex: '@inproceedings{Cottin_Gonska_1992, place={Sofia}, title={A note on global
    smoothness preservation by Boolean sum operators}, booktitle={Constructive Theory
    of Functions, Proc. Conf. Varna 1991}, author={Cottin, Claudia and Gonska, Heinz
    H.}, editor={Ivanov, K.G. and Petrushev, P.P. and Sendov, B.H. and Popov, V.A.
    and Publ. House of the Bulgarian Academy of SciencesEditors}, year={1992}, pages={85–91}
    }'
  chicago: Cottin, Claudia, and Heinz H. Gonska. “A Note on Global Smoothness Preservation
    by Boolean Sum Operators.” In <i>Constructive Theory of Functions, Proc. Conf.
    Varna 1991</i>, edited by K.G. Ivanov, P.P. Petrushev, B.H. Sendov, V.A. Popov,
    and Publ. House of the Bulgarian Academy of Sciences, 85–91. Sofia, 1992.
  ieee: C. Cottin and H. H. Gonska, “A note on global smoothness preservation by Boolean
    sum operators,” in <i>Constructive Theory of Functions, Proc. Conf. Varna 1991</i>,
    Varna, 1992, pp. 85–91.
  mla: Cottin, Claudia, and Heinz H. Gonska. “A Note on Global Smoothness Preservation
    by Boolean Sum Operators.” <i>Constructive Theory of Functions, Proc. Conf. Varna
    1991</i>, edited by K.G. Ivanov et al., 1992, pp. 85–91.
  short: 'C. Cottin, H.H. Gonska, in: K.G. Ivanov, P.P. Petrushev, B.H. Sendov, V.A.
    Popov, Publ. House of the Bulgarian Academy of Sciences (Eds.), Constructive Theory
    of Functions, Proc. Conf. Varna 1991, Sofia, 1992, pp. 85–91.'
conference:
  location: Varna
  name: Constructive Theory of Functions
corporate_editor:
- Publ. House of the Bulgarian Academy of Sciences
date_created: 2025-02-23T11:17:07Z
date_updated: 2026-03-17T15:29:21Z
editor:
- first_name: K.G.
  full_name: Ivanov, K.G.
  last_name: Ivanov
- first_name: P.P.
  full_name: Petrushev, P.P.
  last_name: Petrushev
- first_name: B.H.
  full_name: Sendov, B.H.
  last_name: Sendov
- first_name: V.A.
  full_name: Popov, V.A.
  last_name: Popov
extern: '1'
language:
- iso: eng
page: 85-91
place: Sofia
publication: Constructive Theory of Functions, Proc. Conf. Varna 1991
publication_status: published
status: public
title: A note on global smoothness preservation by Boolean sum operators
type: conference
user_id: '220548'
year: '1992'
...
---
_id: '5560'
author:
- first_name: Vivian
  full_name: Carstensen, Vivian
  id: '76794'
  last_name: Carstensen
  orcid: 0009-0009-5913-8817
  orcid_put_code_url: https://api.orcid.org/v2.0/0009-0009-5913-8817/work/178079655
citation:
  alphadin: '<span style="font-variant:small-caps;">Carstensen, Vivian</span>: Hierarchien:
    Status und Entlohnung/On the Pareto-Efficiency of Profit-Sharing-Contracts. In:
    <i>Jahrbücher für Nationalökonomie und Statistik</i> Bd. 210, Walter de Gruyter
    GmbH (1992), Nr. 5–6, S. 445–456'
  ama: 'Carstensen V. Hierarchien: Status und Entlohnung/On the Pareto-Efficiency
    of Profit-Sharing-Contracts. <i>Jahrbücher für Nationalökonomie und Statistik</i>.
    1992;210(5-6):445-456. doi:<a href="https://doi.org/10.1515/jbnst-1992-5-606">10.1515/jbnst-1992-5-606</a>'
  apa: 'Carstensen, V. (1992). Hierarchien: Status und Entlohnung/On the Pareto-Efficiency
    of Profit-Sharing-Contracts. <i>Jahrbücher Für Nationalökonomie Und Statistik</i>,
    <i>210</i>(5–6), 445–456. <a href="https://doi.org/10.1515/jbnst-1992-5-606">https://doi.org/10.1515/jbnst-1992-5-606</a>'
  bibtex: '@article{Carstensen_1992, title={Hierarchien: Status und Entlohnung/On
    the Pareto-Efficiency of Profit-Sharing-Contracts}, volume={210}, DOI={<a href="https://doi.org/10.1515/jbnst-1992-5-606">10.1515/jbnst-1992-5-606</a>},
    number={5–6}, journal={Jahrbücher für Nationalökonomie und Statistik}, publisher={Walter
    de Gruyter GmbH}, author={Carstensen, Vivian}, year={1992}, pages={445–456} }'
  chicago: 'Carstensen, Vivian. “Hierarchien: Status Und Entlohnung/On the Pareto-Efficiency
    of Profit-Sharing-Contracts.” <i>Jahrbücher Für Nationalökonomie Und Statistik</i>
    210, no. 5–6 (1992): 445–56. <a href="https://doi.org/10.1515/jbnst-1992-5-606">https://doi.org/10.1515/jbnst-1992-5-606</a>.'
  ieee: 'V. Carstensen, “Hierarchien: Status und Entlohnung/On the Pareto-Efficiency
    of Profit-Sharing-Contracts,” <i>Jahrbücher für Nationalökonomie und Statistik</i>,
    vol. 210, no. 5–6, pp. 445–456, 1992.'
  mla: 'Carstensen, Vivian. “Hierarchien: Status Und Entlohnung/On the Pareto-Efficiency
    of Profit-Sharing-Contracts.” <i>Jahrbücher Für Nationalökonomie Und Statistik</i>,
    vol. 210, no. 5–6, Walter de Gruyter GmbH, 1992, pp. 445–56, doi:<a href="https://doi.org/10.1515/jbnst-1992-5-606">10.1515/jbnst-1992-5-606</a>.'
  short: V. Carstensen, Jahrbücher Für Nationalökonomie Und Statistik 210 (1992) 445–456.
date_created: 2025-02-09T17:30:50Z
date_updated: 2026-03-17T15:29:19Z
doi: 10.1515/jbnst-1992-5-606
intvolume: '       210'
issue: 5-6
language:
- iso: eng
page: 445-456
publication: Jahrbücher für Nationalökonomie und Statistik
publication_identifier:
  eissn:
  - 2366-049X
  issn:
  - 0021-4027
publication_status: published
publisher: Walter de Gruyter GmbH
status: public
title: 'Hierarchien: Status und Entlohnung/On the Pareto-Efficiency of Profit-Sharing-Contracts'
type: journal_article
user_id: '220548'
volume: 210
year: '1992'
...
---
_id: '4546'
author:
- first_name: P. S.
  full_name: Vassilevski, P. S.
  last_name: Vassilevski
- first_name: Svetozara
  full_name: Petrova, Svetozara
  id: '201871'
  last_name: Petrova
- first_name: R. D.
  full_name: Lazarov, R. D.
  last_name: Lazarov
citation:
  alphadin: '<span style="font-variant:small-caps;">Vassilevski, P. S.</span> ; <span
    style="font-variant:small-caps;">Petrova, Svetozara</span> ; <span style="font-variant:small-caps;">Lazarov,
    R. D.</span>: Finite Difference Schemes on Triangular Cell-Centered Grids with
    Local Refinement. In: <i>SIAM Journal on Scientific and Statistical Computing</i>
    Bd. 13, Society for Industrial &#38; Applied Mathematics (SIAM) (1992), Nr. 6,
    S. 1287–1313'
  ama: Vassilevski PS, Petrova S, Lazarov RD. Finite Difference Schemes on Triangular
    Cell-Centered Grids with Local Refinement. <i>SIAM Journal on Scientific and Statistical
    Computing</i>. 1992;13(6):1287-1313. doi:<a href="https://doi.org/10.1137/0913073">10.1137/0913073</a>
  apa: Vassilevski, P. S., Petrova, S., &#38; Lazarov, R. D. (1992). Finite Difference
    Schemes on Triangular Cell-Centered Grids with Local Refinement. <i>SIAM Journal
    on Scientific and Statistical Computing</i>, <i>13</i>(6), 1287–1313. <a href="https://doi.org/10.1137/0913073">https://doi.org/10.1137/0913073</a>
  bibtex: '@article{Vassilevski_Petrova_Lazarov_1992, title={Finite Difference Schemes
    on Triangular Cell-Centered Grids with Local Refinement}, volume={13}, DOI={<a
    href="https://doi.org/10.1137/0913073">10.1137/0913073</a>}, number={6}, journal={SIAM
    Journal on Scientific and Statistical Computing}, publisher={Society for Industrial
    &#38; Applied Mathematics (SIAM)}, author={Vassilevski, P. S. and Petrova, Svetozara
    and Lazarov, R. D.}, year={1992}, pages={1287–1313} }'
  chicago: 'Vassilevski, P. S., Svetozara Petrova, and R. D. Lazarov. “Finite Difference
    Schemes on Triangular Cell-Centered Grids with Local Refinement.” <i>SIAM Journal
    on Scientific and Statistical Computing</i> 13, no. 6 (1992): 1287–1313. <a href="https://doi.org/10.1137/0913073">https://doi.org/10.1137/0913073</a>.'
  ieee: P. S. Vassilevski, S. Petrova, and R. D. Lazarov, “Finite Difference Schemes
    on Triangular Cell-Centered Grids with Local Refinement,” <i>SIAM Journal on Scientific
    and Statistical Computing</i>, vol. 13, no. 6, pp. 1287–1313, 1992.
  mla: Vassilevski, P. S., et al. “Finite Difference Schemes on Triangular Cell-Centered
    Grids with Local Refinement.” <i>SIAM Journal on Scientific and Statistical Computing</i>,
    vol. 13, no. 6, Society for Industrial &#38; Applied Mathematics (SIAM), 1992,
    pp. 1287–313, doi:<a href="https://doi.org/10.1137/0913073">10.1137/0913073</a>.
  short: P.S. Vassilevski, S. Petrova, R.D. Lazarov, SIAM Journal on Scientific and
    Statistical Computing 13 (1992) 1287–1313.
date_created: 2024-04-25T12:57:40Z
date_updated: 2026-03-17T15:29:02Z
doi: 10.1137/0913073
intvolume: '        13'
issue: '6'
language:
- iso: eng
page: 1287-1313
project:
- _id: f432a2ee-bceb-11ed-a251-a83585c5074d
  name: Institute for Data Science Solutions
publication: SIAM Journal on Scientific and Statistical Computing
publication_identifier:
  eissn:
  - 2168-3417
  issn:
  - 0196-5204
publication_status: published
publisher: Society for Industrial & Applied Mathematics (SIAM)
status: public
title: Finite Difference Schemes on Triangular Cell-Centered Grids with Local Refinement
type: journal_article
user_id: '220548'
volume: 13
year: '1992'
...
---
_id: '1162'
author:
- first_name: Markus
  full_name: Pannenberg, Markus
  id: '201086'
  last_name: Pannenberg
- first_name: Felix
  full_name: Büchel, Felix
  last_name: Büchel
citation:
  alphadin: '<span style="font-variant:small-caps;">Pannenberg, Markus</span> ; <span
    style="font-variant:small-caps;">Büchel, Felix</span>: ‘Neue Selbständige’ in
    Ostdeutschland. Statusentscheidung, Realisierungschancen und materielle Zufriedenheit.
    In: <i>Mitteilungen aus der Arbeitsmarkt- und Berufsforschung</i> Bd. 25, W. Kohlhammer
    GmbH (1992), S. 544–552'
  ama: Pannenberg M, Büchel F. ‘Neue Selbständige’ in Ostdeutschland. Statusentscheidung,
    Realisierungschancen und materielle Zufriedenheit. <i>Mitteilungen aus der Arbeitsmarkt-
    und Berufsforschung</i>. 1992;25:544-552.
  apa: Pannenberg, M., &#38; Büchel, F. (1992). ‘Neue Selbständige’ in Ostdeutschland.
    Statusentscheidung, Realisierungschancen und materielle Zufriedenheit. <i>Mitteilungen
    Aus Der Arbeitsmarkt- Und Berufsforschung</i>, <i>25</i>, 544–552.
  bibtex: '@article{Pannenberg_Büchel_1992, title={‘Neue Selbständige’ in Ostdeutschland.
    Statusentscheidung, Realisierungschancen und materielle Zufriedenheit}, volume={25},
    journal={Mitteilungen aus der Arbeitsmarkt- und Berufsforschung}, publisher={W.
    Kohlhammer GmbH}, author={Pannenberg, Markus and Büchel, Felix}, year={1992},
    pages={544–552} }'
  chicago: 'Pannenberg, Markus, and Felix Büchel. “‘Neue Selbständige’ in Ostdeutschland.
    Statusentscheidung, Realisierungschancen Und Materielle Zufriedenheit.” <i>Mitteilungen
    Aus Der Arbeitsmarkt- Und Berufsforschung</i> 25 (1992): 544–52.'
  ieee: M. Pannenberg and F. Büchel, “‘Neue Selbständige’ in Ostdeutschland. Statusentscheidung,
    Realisierungschancen und materielle Zufriedenheit,” <i>Mitteilungen aus der Arbeitsmarkt-
    und Berufsforschung</i>, vol. 25, pp. 544–552, 1992.
  mla: Pannenberg, Markus, and Felix Büchel. “‘Neue Selbständige’ in Ostdeutschland.
    Statusentscheidung, Realisierungschancen Und Materielle Zufriedenheit.” <i>Mitteilungen
    Aus Der Arbeitsmarkt- Und Berufsforschung</i>, vol. 25, W. Kohlhammer GmbH, 1992,
    pp. 544–52.
  short: M. Pannenberg, F. Büchel, Mitteilungen Aus Der Arbeitsmarkt- Und Berufsforschung
    25 (1992) 544–552.
date_created: 2021-06-03T12:55:47Z
date_updated: 2026-03-17T15:28:15Z
intvolume: '        25'
language:
- iso: eng
main_file_link:
- url: https://core.ac.uk/works/2777726/
page: 544-552
publication: Mitteilungen aus der Arbeitsmarkt- und Berufsforschung
publisher: W. Kohlhammer GmbH
status: public
title: ‘Neue Selbständige’ in Ostdeutschland. Statusentscheidung, Realisierungschancen
  und materielle Zufriedenheit
type: journal_article
user_id: '220548'
volume: 25
year: '1992'
...
---
_id: '1163'
author:
- first_name: Markus
  full_name: Pannenberg, Markus
  id: '201086'
  last_name: Pannenberg
- first_name: Felix
  full_name: Büchel, Felix
  last_name: Büchel
citation:
  alphadin: '<span style="font-variant:small-caps;">Pannenberg, Markus</span> ; <span
    style="font-variant:small-caps;">Büchel, Felix</span>: Erwerbsbiographische Folgerisiken
    von Kurzarbeit und Arbeitslosigkeit. Eine empirische Analyse für Ostdeutschland.
    In: <i>Mitteilungen aus der Arbeitsmarkt- und Berufsforschung</i> Bd. 25, W. Kohlhammer
    GmbH (1992), S. 158–167'
  ama: Pannenberg M, Büchel F. Erwerbsbiographische Folgerisiken von Kurzarbeit und
    Arbeitslosigkeit. Eine empirische Analyse für Ostdeutschland. <i>Mitteilungen
    aus der Arbeitsmarkt- und Berufsforschung</i>. 1992;25:158-167.
  apa: Pannenberg, M., &#38; Büchel, F. (1992). Erwerbsbiographische Folgerisiken
    von Kurzarbeit und Arbeitslosigkeit. Eine empirische Analyse für Ostdeutschland.
    <i>Mitteilungen Aus Der Arbeitsmarkt- Und Berufsforschung</i>, <i>25</i>, 158–167.
  bibtex: '@article{Pannenberg_Büchel_1992, title={Erwerbsbiographische Folgerisiken
    von Kurzarbeit und Arbeitslosigkeit. Eine empirische Analyse für Ostdeutschland},
    volume={25}, journal={Mitteilungen aus der Arbeitsmarkt- und Berufsforschung},
    publisher={W. Kohlhammer GmbH}, author={Pannenberg, Markus and Büchel, Felix},
    year={1992}, pages={158–167} }'
  chicago: 'Pannenberg, Markus, and Felix Büchel. “Erwerbsbiographische Folgerisiken
    von Kurzarbeit Und Arbeitslosigkeit. Eine Empirische Analyse Für Ostdeutschland.”
    <i>Mitteilungen Aus Der Arbeitsmarkt- Und Berufsforschung</i> 25 (1992): 158–67.'
  ieee: M. Pannenberg and F. Büchel, “Erwerbsbiographische Folgerisiken von Kurzarbeit
    und Arbeitslosigkeit. Eine empirische Analyse für Ostdeutschland,” <i>Mitteilungen
    aus der Arbeitsmarkt- und Berufsforschung</i>, vol. 25, pp. 158–167, 1992.
  mla: Pannenberg, Markus, and Felix Büchel. “Erwerbsbiographische Folgerisiken von
    Kurzarbeit Und Arbeitslosigkeit. Eine Empirische Analyse Für Ostdeutschland.”
    <i>Mitteilungen Aus Der Arbeitsmarkt- Und Berufsforschung</i>, vol. 25, W. Kohlhammer
    GmbH, 1992, pp. 158–67.
  short: M. Pannenberg, F. Büchel, Mitteilungen Aus Der Arbeitsmarkt- Und Berufsforschung
    25 (1992) 158–167.
date_created: 2021-06-03T12:57:19Z
date_updated: 2026-03-17T15:28:15Z
intvolume: '        25'
language:
- iso: eng
main_file_link:
- url: https://ideas.repec.org/a/iab/iabmit/v25i2p158-167.html
page: 158-167
publication: Mitteilungen aus der Arbeitsmarkt- und Berufsforschung
publisher: W. Kohlhammer GmbH
status: public
title: Erwerbsbiographische Folgerisiken von Kurzarbeit und Arbeitslosigkeit. Eine
  empirische Analyse für Ostdeutschland
type: journal_article
user_id: '220548'
volume: 25
year: '1992'
...
---
_id: '5658'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span>: Approximation
    by bounded pseudo-polynomials. In: <i>Function Spaces, Proc. Conf. Poznan 1989</i> :
    Teubner, 1991, S. 152–161'
  ama: 'Cottin C. Approximation by bounded pseudo-polynomials. In: <i>Function Spaces,
    Proc. Conf. Poznan 1989</i>. Teubner; 1991:152-161.'
  apa: Cottin, C. (1991). Approximation by bounded pseudo-polynomials. In <i>Function
    Spaces, Proc. Conf. Poznan 1989</i> (pp. 152–161). Teubner.
  bibtex: '@inproceedings{Cottin_1991, title={Approximation by bounded pseudo-polynomials},
    booktitle={Function Spaces, Proc. Conf. Poznan 1989}, publisher={Teubner}, author={Cottin,
    Claudia}, year={1991}, pages={152–161} }'
  chicago: Cottin, Claudia. “Approximation by Bounded Pseudo-Polynomials.” In <i>Function
    Spaces, Proc. Conf. Poznan 1989</i>, 152–61. Teubner, 1991.
  ieee: C. Cottin, “Approximation by bounded pseudo-polynomials,” in <i>Function Spaces,
    Proc. Conf. Poznan 1989</i>, 1991, pp. 152–161.
  mla: Cottin, Claudia. “Approximation by Bounded Pseudo-Polynomials.” <i>Function
    Spaces, Proc. Conf. Poznan 1989</i>, Teubner, 1991, pp. 152–61.
  short: 'C. Cottin, in: Function Spaces, Proc. Conf. Poznan 1989, Teubner, 1991,
    pp. 152–161.'
date_created: 2025-02-18T15:46:38Z
date_updated: 2026-03-17T15:29:21Z
extern: '1'
language:
- iso: eng
page: 152-161
publication: Function Spaces, Proc. Conf. Poznan 1989
publisher: Teubner
status: public
title: Approximation by bounded pseudo-polynomials
type: conference
user_id: '220548'
year: '1991'
...
---
_id: '5738'
author:
- first_name: Claudia
  full_name: Anastassiou, Claudia
  last_name: Anastassiou
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
  orcid_put_code_url: https://api.orcid.org/v2.0/0000-0001-9212-5027/work/178721940
- first_name: Heiner
  full_name: Gonska, Heiner
  last_name: Gonska
citation:
  alphadin: '<span style="font-variant:small-caps;">Anastassiou, Claudia</span> ;
    <span style="font-variant:small-caps;">Cottin, Claudia</span> ; <span style="font-variant:small-caps;">Gonska,
    Heiner</span>: Global smoothness preservation by multivariate approximation operators.
    In: <span style="font-variant:small-caps;">Baron, S.</span> ; <span style="font-variant:small-caps;">Leviatan,
    D.</span> (Hrsg.): <i>Israel Mathematical Conference Proceedings, Vol. IV</i>,
    1991, S. 31–44'
  ama: 'Anastassiou C, Cottin C, Gonska H. Global smoothness preservation by multivariate
    approximation operators. In: Baron S, Leviatan D, eds. <i>Israel Mathematical
    Conference Proceedings, Vol. IV</i>. ; 1991:31-44.'
  apa: Anastassiou, C., Cottin, C., &#38; Gonska, H. (1991). Global smoothness preservation
    by multivariate approximation operators. In S. Baron &#38; D. Leviatan (Eds.),
    <i>Israel Mathematical Conference Proceedings, Vol. IV</i> (pp. 31–44).
  bibtex: '@inproceedings{Anastassiou_Cottin_Gonska_1991, title={Global smoothness
    preservation by multivariate approximation operators}, booktitle={Israel Mathematical
    Conference Proceedings, Vol. IV}, author={Anastassiou, Claudia and Cottin, Claudia
    and Gonska, Heiner}, editor={Baron, S. and Leviatan, D.Editors}, year={1991},
    pages={31–44} }'
  chicago: Anastassiou, Claudia, Claudia Cottin, and Heiner Gonska. “Global Smoothness
    Preservation by Multivariate Approximation Operators.” In <i>Israel Mathematical
    Conference Proceedings, Vol. IV</i>, edited by S. Baron and D. Leviatan, 31–44,
    1991.
  ieee: C. Anastassiou, C. Cottin, and H. Gonska, “Global smoothness preservation
    by multivariate approximation operators,” in <i>Israel Mathematical Conference
    Proceedings, Vol. IV</i>, 1991, pp. 31–44.
  mla: Anastassiou, Claudia, et al. “Global Smoothness Preservation by Multivariate
    Approximation Operators.” <i>Israel Mathematical Conference Proceedings, Vol.
    IV</i>, edited by S. Baron and D. Leviatan, 1991, pp. 31–44.
  short: 'C. Anastassiou, C. Cottin, H. Gonska, in: S. Baron, D. Leviatan (Eds.),
    Israel Mathematical Conference Proceedings, Vol. IV, 1991, pp. 31–44.'
date_created: 2025-02-23T10:55:09Z
date_updated: 2026-03-17T15:29:21Z
editor:
- first_name: S.
  full_name: Baron, S.
  last_name: Baron
- first_name: D.
  full_name: Leviatan, D.
  last_name: Leviatan
extern: '1'
language:
- iso: eng
page: 31-44
publication: Israel Mathematical Conference Proceedings, Vol. IV
status: public
title: Global smoothness preservation by multivariate approximation operators
type: conference
user_id: '220548'
year: '1991'
...
---
_id: '4480'
alternative_id:
- '5638'
author:
- first_name: George A.
  full_name: Anastassiou, George A.
  last_name: Anastassiou
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
- first_name: Heinz H.
  full_name: Gonska, Heinz H.
  last_name: Gonska
citation:
  alphadin: '<span style="font-variant:small-caps;">Anastassiou, George A.</span>
    ; <span style="font-variant:small-caps;">Cottin, Claudia</span> ; <span style="font-variant:small-caps;">Gonska,
    Heinz H.</span>: Global smoothness of approximating functions. In: <i>Analysis</i>
    Bd. 11, Walter de Gruyter GmbH (1991), Nr. 1'
  ama: Anastassiou GA, Cottin C, Gonska HH. Global smoothness of approximating functions.
    <i>Analysis</i>. 1991;11(1). doi:<a href="https://doi.org/10.1524/anly.1991.11.1.43">10.1524/anly.1991.11.1.43</a>
  apa: Anastassiou, G. A., Cottin, C., &#38; Gonska, H. H. (1991). Global smoothness
    of approximating functions. <i>Analysis</i>, <i>11</i>(1). <a href="https://doi.org/10.1524/anly.1991.11.1.43">https://doi.org/10.1524/anly.1991.11.1.43</a>
  bibtex: '@article{Anastassiou_Cottin_Gonska_1991, title={Global smoothness of approximating
    functions}, volume={11}, DOI={<a href="https://doi.org/10.1524/anly.1991.11.1.43">10.1524/anly.1991.11.1.43</a>},
    number={1}, journal={Analysis}, publisher={Walter de Gruyter GmbH}, author={Anastassiou,
    George A. and Cottin, Claudia and Gonska, Heinz H.}, year={1991} }'
  chicago: Anastassiou, George A., Claudia Cottin, and Heinz H. Gonska. “Global Smoothness
    of Approximating Functions.” <i>Analysis</i> 11, no. 1 (1991). <a href="https://doi.org/10.1524/anly.1991.11.1.43">https://doi.org/10.1524/anly.1991.11.1.43</a>.
  ieee: G. A. Anastassiou, C. Cottin, and H. H. Gonska, “Global smoothness of approximating
    functions,” <i>Analysis</i>, vol. 11, no. 1, 1991.
  mla: Anastassiou, George A., et al. “Global Smoothness of Approximating Functions.”
    <i>Analysis</i>, vol. 11, no. 1, Walter de Gruyter GmbH, 1991, doi:<a href="https://doi.org/10.1524/anly.1991.11.1.43">10.1524/anly.1991.11.1.43</a>.
  short: G.A. Anastassiou, C. Cottin, H.H. Gonska, Analysis 11 (1991).
date_created: 2024-04-11T10:50:11Z
date_updated: 2026-03-17T15:29:01Z
doi: 10.1524/anly.1991.11.1.43
extern: '1'
intvolume: '        11'
issue: '1'
language:
- iso: eng
publication: Analysis
publication_identifier:
  eissn:
  - 2196-6753
  issn:
  - 0174-4747
publication_status: published
publisher: Walter de Gruyter GmbH
status: public
title: Global smoothness of approximating functions
type: journal_article
user_id: '33935'
volume: 11
year: '1991'
...
---
_id: '5659'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
- first_name: Ruud
  full_name: van Damme, Ruud
  last_name: van Damme
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span> ; <span
    style="font-variant:small-caps;">van Damme, Ruud</span>: 3D reconstruction of
    closed objects by piecewise cubic Bézier patches. In: <span style="font-variant:small-caps;">Handscomb,
    D. C.</span> (Hrsg.): <i>The Mathematics of Surfaces III, Proc. Conf. Bath 1990</i> :
    Oxford University Press, 1990'
  ama: 'Cottin C, van Damme R. 3D reconstruction of closed objects by piecewise cubic
    Bézier patches. In: Handscomb DC, ed. <i>The Mathematics of Surfaces III, Proc.
    Conf. Bath 1990</i>. Oxford University Press; 1990.'
  apa: 'Cottin, C., &#38; van Damme, R. (1990). 3D reconstruction of closed objects
    by piecewise cubic Bézier patches. In D. C. Handscomb (Ed.), <i>The Mathematics
    of Surfaces III, Proc. Conf. Bath 1990</i>. Bath: Oxford University Press.'
  bibtex: '@inproceedings{Cottin_van Damme_1990, title={3D reconstruction of closed
    objects by piecewise cubic Bézier patches}, booktitle={The Mathematics of Surfaces
    III, Proc. Conf. Bath 1990}, publisher={Oxford University Press}, author={Cottin,
    Claudia and van Damme, Ruud}, editor={Handscomb, David Christopher Editor}, year={1990}
    }'
  chicago: Cottin, Claudia, and Ruud van Damme. “3D Reconstruction of Closed Objects
    by Piecewise Cubic Bézier Patches.” In <i>The Mathematics of Surfaces III, Proc.
    Conf. Bath 1990</i>, edited by David Christopher  Handscomb. Oxford University
    Press, 1990.
  ieee: C. Cottin and R. van Damme, “3D reconstruction of closed objects by piecewise
    cubic Bézier patches,” in <i>The Mathematics of Surfaces III, Proc. Conf. Bath
    1990</i>, Bath, 1990.
  mla: Cottin, Claudia, and Ruud van Damme. “3D Reconstruction of Closed Objects by
    Piecewise Cubic Bézier Patches.” <i>The Mathematics of Surfaces III, Proc. Conf.
    Bath 1990</i>, edited by David Christopher  Handscomb, Oxford University Press,
    1990.
  short: 'C. Cottin, R. van Damme, in: D.C. Handscomb (Ed.), The Mathematics of Surfaces
    III, Proc. Conf. Bath 1990, Oxford University Press, 1990.'
conference:
  end_date: 1990-09-12
  location: Bath
  name: The Mathematics of Surfaces III
  start_date: 1990-09-10
date_created: 2025-02-18T16:08:33Z
date_updated: 2026-03-17T15:29:21Z
editor:
- first_name: 'David Christopher '
  full_name: 'Handscomb, David Christopher '
  last_name: Handscomb
extern: '1'
language:
- iso: eng
publication: The Mathematics of Surfaces III, Proc. Conf. Bath 1990
publication_identifier:
  isbn:
  - 978-0198536291
publisher: Oxford University Press
status: public
title: 3D reconstruction of closed objects by piecewise cubic Bézier patches
type: conference
user_id: '220548'
year: '1990'
...
---
_id: '5639'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span>: Mixed
    K-functionals: A measure of smoothness for blending-type approximation. In: <i>Mathematische
    Zeitschrift</i> Bd. 204, Springer Science and Business Media LLC (1990), Nr. 1,
    S. 69–83'
  ama: 'Cottin C. Mixed K-functionals: A measure of smoothness for blending-type approximation.
    <i>Mathematische Zeitschrift</i>. 1990;204(1):69-83. doi:<a href="https://doi.org/10.1007/BF02570860">10.1007/BF02570860</a>'
  apa: 'Cottin, C. (1990). Mixed K-functionals: A measure of smoothness for blending-type
    approximation. <i>Mathematische Zeitschrift</i>, <i>204</i>(1), 69–83. <a href="https://doi.org/10.1007/BF02570860">https://doi.org/10.1007/BF02570860</a>'
  bibtex: '@article{Cottin_1990, title={Mixed K-functionals: A measure of smoothness
    for blending-type approximation}, volume={204}, DOI={<a href="https://doi.org/10.1007/BF02570860">10.1007/BF02570860</a>},
    number={1}, journal={Mathematische Zeitschrift}, publisher={Springer Science and
    Business Media LLC}, author={Cottin, Claudia}, year={1990}, pages={69–83} }'
  chicago: 'Cottin, Claudia. “Mixed K-Functionals: A Measure of Smoothness for Blending-Type
    Approximation.” <i>Mathematische Zeitschrift</i> 204, no. 1 (1990): 69–83. <a
    href="https://doi.org/10.1007/BF02570860">https://doi.org/10.1007/BF02570860</a>.'
  ieee: 'C. Cottin, “Mixed K-functionals: A measure of smoothness for blending-type
    approximation,” <i>Mathematische Zeitschrift</i>, vol. 204, no. 1, pp. 69–83,
    1990.'
  mla: 'Cottin, Claudia. “Mixed K-Functionals: A Measure of Smoothness for Blending-Type
    Approximation.” <i>Mathematische Zeitschrift</i>, vol. 204, no. 1, Springer Science
    and Business Media LLC, 1990, pp. 69–83, doi:<a href="https://doi.org/10.1007/BF02570860">10.1007/BF02570860</a>.'
  short: C. Cottin, Mathematische Zeitschrift 204 (1990) 69–83.
date_created: 2025-02-16T19:03:11Z
date_updated: 2026-03-17T15:29:20Z
doi: 10.1007/BF02570860
intvolume: '       204'
issue: '1'
language:
- iso: eng
page: 69-83
publication: Mathematische Zeitschrift
publication_identifier:
  eissn:
  - 1432-1823
  issn:
  - 0025-5874
publication_status: published
publisher: Springer Science and Business Media LLC
status: public
title: 'Mixed K-functionals: A measure of smoothness for blending-type approximation'
type: journal_article
user_id: '220548'
volume: 204
year: '1990'
...
---
_id: '5657'
author:
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
  orcid_put_code_url: https://api.orcid.org/v2.0/0000-0001-9212-5027/work/181718343
citation:
  alphadin: '<span style="font-variant:small-caps;">Cottin, Claudia</span>: Inverse
    theorems for blending-type approximation. In: <span style="font-variant:small-caps;">Chui,
    C. K.</span> ; <span style="font-variant:small-caps;">Schumaker, L. L.</span>
    ; <span style="font-variant:small-caps;">Ward, J. D.</span> (Hrsg.): <i>Approximation
    Theory VI, Proc. Conf. College Station (Texas)</i> : Academic Press, 1989, S. 149–152'
  ama: 'Cottin C. Inverse theorems for blending-type approximation. In: Chui CK, Schumaker
    LL, Ward JD, eds. <i>Approximation Theory VI, Proc. Conf. College Station (Texas)</i>.
    Academic Press; 1989:149-152.'
  apa: 'Cottin, C. (1989). Inverse theorems for blending-type approximation. In C.
    K. Chui, L. L. Schumaker, &#38; J. D. Ward (Eds.), <i>Approximation Theory VI,
    Proc. Conf. College Station (Texas)</i> (pp. 149–152). Texas A &#38; M University:
    Academic Press.'
  bibtex: '@inproceedings{Cottin_1989, title={Inverse theorems for blending-type approximation},
    booktitle={Approximation Theory VI, Proc. Conf. College Station (Texas)}, publisher={Academic
    Press}, author={Cottin, Claudia}, editor={Chui, C. K. and Schumaker, Larry L.
    and Ward, J. D. Editors}, year={1989}, pages={149–152} }'
  chicago: Cottin, Claudia. “Inverse Theorems for Blending-Type Approximation.” In
    <i>Approximation Theory VI, Proc. Conf. College Station (Texas)</i>, edited by
    C. K. Chui, Larry L. Schumaker, and J. D.  Ward, 149–52. Academic Press, 1989.
  ieee: C. Cottin, “Inverse theorems for blending-type approximation,” in <i>Approximation
    Theory VI, Proc. Conf. College Station (Texas)</i>, Texas A &#38; M University,
    1989, pp. 149–152.
  mla: Cottin, Claudia. “Inverse Theorems for Blending-Type Approximation.” <i>Approximation
    Theory VI, Proc. Conf. College Station (Texas)</i>, edited by C. K. Chui et al.,
    Academic Press, 1989, pp. 149–52.
  short: 'C. Cottin, in: C.K. Chui, L.L. Schumaker, J.D. Ward (Eds.), Approximation
    Theory VI, Proc. Conf. College Station (Texas), Academic Press, 1989, pp. 149–152.'
conference:
  end_date: 1989-01-13
  location: Texas A & M University
  name: Sixth International Symposium on aApproximation Theory, held
  start_date: 1989-01-09
date_created: 2025-02-18T15:39:21Z
date_updated: 2026-03-17T15:29:21Z
editor:
- first_name: C. K.
  full_name: Chui, C. K.
  last_name: Chui
- first_name: Larry L.
  full_name: Schumaker, Larry L.
  last_name: Schumaker
- first_name: 'J. D. '
  full_name: 'Ward, J. D. '
  last_name: Ward
extern: '1'
language:
- iso: eng
page: 149-152
publication: Approximation Theory VI, Proc. Conf. College Station (Texas)
publisher: Academic Press
status: public
title: Inverse theorems for blending-type approximation
type: conference
user_id: '220548'
year: '1989'
...
---
_id: '5653'
author:
- first_name: C.
  full_name: Badea, C.
  last_name: Badea
- first_name: Irinel Adriana
  full_name: Badea, Irinel Adriana
  last_name: Badea
- first_name: Claudia
  full_name: Cottin, Claudia
  id: '33935'
  last_name: Cottin
  orcid: 0000-0001-9212-5027
  orcid_put_code_url: https://api.orcid.org/v2.0/0000-0001-9212-5027/work/181910957
citation:
  alphadin: '<span style="font-variant:small-caps;">Badea, C.</span> ; <span style="font-variant:small-caps;">Badea,
    Irinel Adriana</span> ; <span style="font-variant:small-caps;">Cottin, Claudia</span>:
    A Korovkin-type theorem for generalizations of Boolean sum operators and approximation
    by trigonometric pseudopolynomials. In: <i>Revue d’Analyse Numérique et de la
    Théorie de l’Approximation</i> Bd. 17 (1988), S. 7–17'
  ama: Badea C, Badea IA, Cottin C. A Korovkin-type theorem for generalizations of
    Boolean sum operators and approximation by trigonometric pseudopolynomials. <i>Revue
    d’Analyse Numérique et de la Théorie de l’Approximation</i>. 1988;17:7-17.
  apa: Badea, C., Badea, I. A., &#38; Cottin, C. (1988). A Korovkin-type theorem for
    generalizations of Boolean sum operators and approximation by trigonometric pseudopolynomials.
    <i>Revue d’Analyse Numérique et de La Théorie de l’Approximation</i>, <i>17</i>,
    7–17.
  bibtex: '@article{Badea_Badea_Cottin_1988, title={A Korovkin-type theorem for generalizations
    of Boolean sum operators and approximation by trigonometric pseudopolynomials},
    volume={17}, journal={Revue d’Analyse Numérique et de la Théorie de l’Approximation},
    author={Badea, C. and Badea, Irinel Adriana and Cottin, Claudia}, year={1988},
    pages={7–17} }'
  chicago: 'Badea, C., Irinel Adriana Badea, and Claudia Cottin. “A Korovkin-Type
    Theorem for Generalizations of Boolean Sum Operators and Approximation by Trigonometric
    Pseudopolynomials.” <i>Revue d’Analyse Numérique et de La Théorie de l’Approximation</i>
    17 (1988): 7–17.'
  ieee: C. Badea, I. A. Badea, and C. Cottin, “A Korovkin-type theorem for generalizations
    of Boolean sum operators and approximation by trigonometric pseudopolynomials,”
    <i>Revue d’Analyse Numérique et de la Théorie de l’Approximation</i>, vol. 17,
    pp. 7–17, 1988.
  mla: Badea, C., et al. “A Korovkin-Type Theorem for Generalizations of Boolean Sum
    Operators and Approximation by Trigonometric Pseudopolynomials.” <i>Revue d’Analyse
    Numérique et de La Théorie de l’Approximation</i>, vol. 17, 1988, pp. 7–17.
  short: C. Badea, I.A. Badea, C. Cottin, Revue d’Analyse Numérique et de La Théorie
    de l’Approximation 17 (1988) 7–17.
date_created: 2025-02-18T11:57:54Z
date_updated: 2026-03-17T15:29:21Z
extern: '1'
file:
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language:
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  url: https://ictp.acad.ro/jnaat/journal/article/view/1988-vol17-no1-art2/Badea-Badea-Cottin
oa: '1'
page: 7-17
publication: Revue d'Analyse Numérique et de la Théorie de l'Approximation
status: public
title: A Korovkin-type theorem for generalizations of Boolean sum operators and approximation
  by trigonometric pseudopolynomials
type: journal_article
urn: urn:nbn:de:hbz:bi10-56530
user_id: '220548'
volume: 17
year: '1988'
...
