Contemporary Approaches to Approximation of Operators Approximation Theory and Mathematical Methods

Gradimir V. Milovanović is a Professor of Numerical Analysis and Approximation Theory and Full Member of the Serbian Academy of Sciences and Arts. He studied at University of Niš, obtaining a B.Sc. (1971) in electrical engineering and computer sciences and an M.Sc. (1974) and a Ph.D. (1976) in mathematics.  His research interests are approximation theory, numerical analysis and special functions. He has published more than 450 papers, 25 textbooks and  three monographs with World Scientific (1994),  Springer (2008), and  Elsevier (2022), as well as two edited books with Kluwer (1998) and Springer  (2014).

Vijay Gupta is a Professor in  Department of Mathematics, Netaji Subhas University of Technology, New Delhi, India. He obtained his M.Sc in Mathematics from Christ Church College, Kanpur in 1984; M. Phil from Meerut University (now CCS University) in 1987 and PhD from University of Roorkee (now Indian Institute of Technology, Roorkee) in the year 1990. His area of research is approximation theory. He has published more than 390 research papers in journals of international repute. He is author of 6 books and 4 edited volumes with Springer.