---
_id: '5639'
author:
- first_name: Claudia
full_name: Cottin, Claudia
id: '33935'
last_name: Cottin
orcid: 0000-0001-9212-5027
citation:
alphadin: 'Cottin, Claudia: Mixed
K-functionals: A measure of smoothness for blending-type approximation. In: Mathematische
Zeitschrift 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.
Mathematische Zeitschrift. 1990;204(1):69-83. doi:10.1007/BF02570860'
apa: 'Cottin, C. (1990). Mixed K-functionals: A measure of smoothness for blending-type
approximation. Mathematische Zeitschrift, 204(1), 69–83. https://doi.org/10.1007/BF02570860'
bibtex: '@article{Cottin_1990, title={Mixed K-functionals: A measure of smoothness
for blending-type approximation}, volume={204}, DOI={10.1007/BF02570860},
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.” Mathematische Zeitschrift 204, no. 1 (1990): 69–83. https://doi.org/10.1007/BF02570860.'
ieee: 'C. Cottin, “Mixed K-functionals: A measure of smoothness for blending-type
approximation,” Mathematische Zeitschrift, vol. 204, no. 1, pp. 69–83,
1990.'
mla: 'Cottin, Claudia. “Mixed K-Functionals: A Measure of Smoothness for Blending-Type
Approximation.” Mathematische Zeitschrift, vol. 204, no. 1, Springer Science
and Business Media LLC, 1990, pp. 69–83, doi:10.1007/BF02570860.'
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: 'Cottin, Claudia: Inverse
theorems for blending-type approximation. In: Chui,
C. K. ; Schumaker, L. L.
; Ward, J. D. (Hrsg.): Approximation
Theory VI, Proc. Conf. College Station (Texas) : Academic Press, 1989, S. 149–152'
ama: 'Cottin C. Inverse theorems for blending-type approximation. In: Chui CK, Schumaker
LL, Ward JD, eds. Approximation Theory VI, Proc. Conf. College Station (Texas).
Academic Press; 1989:149-152.'
apa: 'Cottin, C. (1989). Inverse theorems for blending-type approximation. In C.
K. Chui, L. L. Schumaker, & J. D. Ward (Eds.), Approximation Theory VI,
Proc. Conf. College Station (Texas) (pp. 149–152). Texas A & 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
Approximation Theory VI, Proc. Conf. College Station (Texas), 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 Approximation
Theory VI, Proc. Conf. College Station (Texas), Texas A & M University,
1989, pp. 149–152.
mla: Cottin, Claudia. “Inverse Theorems for Blending-Type Approximation.” Approximation
Theory VI, Proc. Conf. College Station (Texas), 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: 'Badea, C. ; Badea,
Irinel Adriana ; Cottin, Claudia:
A Korovkin-type theorem for generalizations of Boolean sum operators and approximation
by trigonometric pseudopolynomials. In: Revue d’Analyse Numérique et de la
Théorie de l’Approximation 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. Revue
d’Analyse Numérique et de la Théorie de l’Approximation. 1988;17:7-17.
apa: Badea, C., Badea, I. A., & Cottin, C. (1988). A Korovkin-type theorem for
generalizations of Boolean sum operators and approximation by trigonometric pseudopolynomials.
Revue d’Analyse Numérique et de La Théorie de l’Approximation, 17,
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.” Revue d’Analyse Numérique et de La Théorie de l’Approximation
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,”
Revue d’Analyse Numérique et de la Théorie de l’Approximation, 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.” Revue d’Analyse
Numérique et de La Théorie de l’Approximation, 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:
- access_level: open_access
content_type: application/pdf
creator: ccottin
date_created: 2025-02-18T12:13:58Z
date_updated: 2025-02-18T12:13:58Z
file_id: '5655'
file_name: jnaat,+Journal+manager,+1988-1-Badea-Badea-Cottin.pdf
file_size: 1126726
relation: main_file
success: 1
file_date_updated: 2025-02-18T12:13:58Z
has_accepted_license: '1'
intvolume: ' 17'
language:
- iso: eng
main_file_link:
- open_access: '1'
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'
...
---
_id: '5691'
author:
- first_name: Claudia
full_name: Cottin, Claudia
id: '33935'
last_name: Cottin
orcid: 0000-0001-9212-5027
citation:
alphadin: 'Cottin, Claudia: Quantitative
Aussagen zur Blending-Typ-Approximation, 1988'
ama: Cottin C. Quantitative Aussagen zur Blending-Typ-Approximation.; 1988.
apa: Cottin, C. (1988). Quantitative Aussagen zur Blending-Typ-Approximation.
bibtex: '@book{Cottin_1988, title={Quantitative Aussagen zur Blending-Typ-Approximation},
author={Cottin, Claudia}, year={1988} }'
chicago: Cottin, Claudia. Quantitative Aussagen zur Blending-Typ-Approximation,
1988.
ieee: C. Cottin, Quantitative Aussagen zur Blending-Typ-Approximation. 1988.
mla: Cottin, Claudia. Quantitative Aussagen zur Blending-Typ-Approximation.
1988.
short: C. Cottin, Quantitative Aussagen zur Blending-Typ-Approximation, 1988.
date_created: 2025-02-19T07:24:42Z
date_updated: 2026-03-17T15:29:21Z
extern: '1'
language:
- iso: ger
publication_status: published
status: public
title: Quantitative Aussagen zur Blending-Typ-Approximation
type: dissertation
user_id: '220548'
year: '1988'
...
---
_id: '5645'
author:
- first_name: Catalin
full_name: Badea, Catalin
last_name: Badea
- first_name: Ioan
full_name: Badea, Ioan
last_name: Badea
- 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: 'Badea, Catalin ; Badea, Ioan ; Cottin,
Claudia ; Gonska, Heinz H.:
Notes on degree of approximation of B-continuous and B-differentiable functions.
In: Journal of Approximation Theory and its Applications Bd. 4 (1988),
S. 95–108'
ama: Badea C, Badea I, Cottin C, Gonska HH. Notes on degree of approximation of
B-continuous and B-differentiable functions. Journal of Approximation Theory
and its Applications. 1988;4:95-108.
apa: Badea, C., Badea, I., Cottin, C., & Gonska, H. H. (1988). Notes on degree
of approximation of B-continuous and B-differentiable functions. Journal of
Approximation Theory and Its Applications, 4, 95–108.
bibtex: '@article{Badea_Badea_Cottin_Gonska_1988, title={Notes on degree of approximation
of B-continuous and B-differentiable functions.}, volume={4}, journal={Journal
of Approximation Theory and its Applications}, author={Badea, Catalin and Badea,
Ioan and Cottin, Claudia and Gonska, Heinz H.}, year={1988}, pages={95–108} }'
chicago: 'Badea, Catalin, Ioan Badea, Claudia Cottin, and Heinz H. Gonska. “Notes
on Degree of Approximation of B-Continuous and B-Differentiable Functions.” Journal
of Approximation Theory and Its Applications 4 (1988): 95–108.'
ieee: C. Badea, I. Badea, C. Cottin, and H. H. Gonska, “Notes on degree of approximation
of B-continuous and B-differentiable functions.,” Journal of Approximation
Theory and its Applications, vol. 4, pp. 95–108, 1988.
mla: Badea, Catalin, et al. “Notes on Degree of Approximation of B-Continuous and
B-Differentiable Functions.” Journal of Approximation Theory and Its Applications,
vol. 4, 1988, pp. 95–108.
short: C. Badea, I. Badea, C. Cottin, H.H. Gonska, Journal of Approximation Theory
and Its Applications 4 (1988) 95–108.
date_created: 2025-02-18T08:42:00Z
date_updated: 2026-03-17T15:29:20Z
extern: '1'
file:
- access_level: open_access
content_type: application/pdf
creator: ccottin
date_created: 2025-02-18T08:41:38Z
date_updated: 2025-02-18T08:41:38Z
file_id: '5646'
file_name: Scan_JATA1988_CBadea_IBadea_CCottin_HGonska.pdf
file_size: 5871116
relation: main_file
success: 1
file_date_updated: 2025-02-18T08:41:38Z
has_accepted_license: '1'
intvolume: ' 4'
language:
- iso: eng
oa: '1'
page: 95-108
publication: Journal of Approximation Theory and its Applications
publication_status: published
status: public
title: Notes on degree of approximation of B-continuous and B-differentiable functions.
type: journal_article
urn: urn:nbn:de:hbz:bi10-56450
user_id: '220548'
volume: 4
year: '1988'
...
---
_id: '4779'
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
citation:
alphadin: 'Vassilevski, P. S. ; Petrova, Svetozara: A note on construction
of preconditioners in solving 3D elliptic problems by substructuring. In: Comptes
Rendus de l’Academie Bulgare des Sciences Bd. 41 (1988), Nr. 7, S. 33–36'
ama: Vassilevski PS, Petrova S. A note on construction of preconditioners in solving
3D elliptic problems by substructuring. Comptes Rendus de l’Academie Bulgare
des Sciences. 1988;41(7):33-36.
apa: Vassilevski, P. S., & Petrova, S. (1988). A note on construction of preconditioners
in solving 3D elliptic problems by substructuring. Comptes Rendus de l’Academie
Bulgare Des Sciences, 41(7), 33–36.
bibtex: '@article{Vassilevski_Petrova_1988, title={A note on construction of preconditioners
in solving 3D elliptic problems by substructuring}, volume={41}, number={7}, journal={Comptes
Rendus de l’Academie Bulgare des Sciences}, author={Vassilevski, P. S. and Petrova,
Svetozara}, year={1988}, pages={33–36} }'
chicago: 'Vassilevski, P. S., and Svetozara Petrova. “A Note on Construction of
Preconditioners in Solving 3D Elliptic Problems by Substructuring.” Comptes
Rendus de l’Academie Bulgare Des Sciences 41, no. 7 (1988): 33–36.'
ieee: P. S. Vassilevski and S. Petrova, “A note on construction of preconditioners
in solving 3D elliptic problems by substructuring,” Comptes Rendus de l’Academie
Bulgare des Sciences, vol. 41, no. 7, pp. 33–36, 1988.
mla: Vassilevski, P. S., and Svetozara Petrova. “A Note on Construction of Preconditioners
in Solving 3D Elliptic Problems by Substructuring.” Comptes Rendus de l’Academie
Bulgare Des Sciences, vol. 41, no. 7, 1988, pp. 33–36.
short: P.S. Vassilevski, S. Petrova, Comptes Rendus de l’Academie Bulgare Des Sciences
41 (1988) 33–36.
date_created: 2024-07-04T13:52:25Z
date_updated: 2026-03-17T15:29:06Z
intvolume: ' 41'
issue: '7'
language:
- iso: eng
page: 33-36
project:
- _id: f432a2ee-bceb-11ed-a251-a83585c5074d
name: Institute for Data Science Solutions
publication: Comptes Rendus de l’Academie Bulgare des Sciences
status: public
title: A note on construction of preconditioners in solving 3D elliptic problems by
substructuring
type: journal_article
user_id: '220548'
volume: 41
year: '1988'
...