In the paper, exact constants in direct and inverse approximation theorems for functions of several variables are found in the spaces S-p. The equivalence between moduli of smoothness and some K-functionals is also shown in the spaces S-p.
Publication Name (dc.title) | Exact Constants in Direct and Inverse Approximation Theorems for Functions of Several Variables in the Spaces S-p |
Author/s (dc.contributor.yazarlar) | Fahreddin G. Abdullayev, Pelin Özkartepe, Viktor V. Savchuk, Andrii L. Shidlich |
Publication type (dc.type) | Konferans Bildirisi |
Language (dc.language) | İngilizce |
Publication year (dc.date.issued) | 2019 |
National/International (dc.identifier.ulusaluluslararasi) | Uluslararası |
Source (dc.relation.journal) | Filomat |
Additional source name / Conference information (dc.identifier.kaynakadiekbilgi) | 8th International Conference on Mathematical Analysis, Differential Equation and Applications (MADEA).- Cholpon Ata, KYRGYZSTAN.- JUN 17-23, 2018 |
Number (dc.identifier.issue) | 5 |
Volume/Issue (dc.identifier.volume) | 33 |
Page (dc.identifier.startpage) | 1471-1484 |
ISSN/ISBN (dc.identifier.issn) | ISSN: 0354-5180; Online ISSN: 2406-0933 |
Publisher (dc.publisher) | Prirodno-matematički fakultet, University of Niš, Serbia |
Databases (dc.contributor.veritaban) | Web of Science Core Collection |
Databases (dc.contributor.veritaban) | Kaynak web sitesi |
Databases (dc.contributor.veritaban) | Scopus |
Index Type (dc.identifier.index) | CPCI-S |
Index Type (dc.identifier.index) | Scopus |
Impact Factor (dc.identifier.etkifaktoru) | 0,789 / 2018-WOS / 5 Year: 0,852 |
Abstract (dc.description.abstract) | In the paper, exact constants in direct and inverse approximation theorems for functions of several variables are found in the spaces S-p. The equivalence between moduli of smoothness and some K-functionals is also shown in the spaces S-p. |
URL (dc.rights) | http://www.pmf.ni.ac.rs/filomat-content/2019/33-5/33-5-20-9444.pdf |
DOI (dc.identifier.doi) | 10.2298/FIL1905471A |
Faculty / Institute (dc.identifier.fakulte) | Fen Fakültesi |
Department (dc.identifier.bolum) | Uygulamalı Matematik ve Enformatik Bölümü |
Author(s) in the Institution (dc.contributor.author) | Fahreddin ABDULLAYEV |
Kayıt No (dc.identifier.kayitno) | BLDB9756E2 |
Record Add Date (dc.date.available) | 2019-11-29 |
Notes (Publication year) (dc.identifier.notyayinyili) | 2019 |
Wos No (dc.identifier.wos) | WOS:000496192400021 |
Subject Headings (dc.subject) | direct theorem |
Subject Headings (dc.subject) | inverse theorem |
Subject Headings (dc.subject) | modulus of smoothness |
Subject Headings (dc.subject) | K-functional |