Recent theories and applications in approximation theory

Affiliations

• ¹ Department of Mathematics, Islamic Azad University, Zahedan Branch, Zahedan, Iran.
• ² Faculty of Sciences and Mathematics, University of Niš, Visegradska 33, 18000 Niš, Serbia.
• ³ Instituto de Matemáticas Multidisciplinar, Universitat Politècnica de València, 46022 Valencia, Spain.
• ⁴ Department of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad, Iran.
• ⁵ Department of Mathematics, Kosar University of Bojnord, P. O. Box 9415615458, Bojnord, Iran.