{"author":[{"id":"33935","first_name":"Claudia","last_name":"Cottin","full_name":"Cottin, Claudia"}],"extern":"1","issue":"3-4","volume":24,"intvolume":"        24","page":"211-221","publication_status":"published","user_id":"220548","language":[{"iso":"eng"}],"date_updated":"2025-02-18T07:44:16Z","title":"Directional K- Functionals","publisher":"Springer Science and Business Media LLC","project":[{"_id":"f432a2ee-bceb-11ed-a251-a83585c5074d","name":"Institute for Data Science Solutions"}],"publication_identifier":{"issn":["1422-6383"],"eissn":["1420-9012"]},"_id":"5636","citation":{"ieee":"C. Cottin, “Directional K- Functionals,” <i>Results in Mathematics</i>, vol. 24, no. 3–4, pp. 211–221, 1993.","short":"C. Cottin, Results in Mathematics 24 (1993) 211–221.","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>.","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>.","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} }"},"publication":"Results in Mathematics","year":"1993","alternative_id":["4478"],"doi":"10.1007/BF03322331","abstract":[{"text":"When considering approximation of continuous periodic functions f: R d → R by blending-type approximants which depend on directions ξ1,…,ξν ∈ R d directional moduli of smoothness (1) are appropriate measures of smoothness of /. In this paper, we introduce equivalent directional K- functionals. As an application, we obtain a result on the degree of approximation by certain trigonometric blending functions.","lang":"eng"}],"date_created":"2025-02-16T18:56:33Z","type":"journal_article","status":"public"}