Approximation Theory, Sequence Spaces and Applications

Chapter 1. Topology on Geometric Sequence Spaces.- Chapter 2. Composition Operators on Second Order Ces`aro Function Spaces.- Chapter 3. Generalized Deferred Statistical Convergence.- Chapter 4. Approximation By Generalized Lupas¸-P alt anea Operators.- Chapter 5. Zachary spaces Z p[R¥] and separable Banach spaces.- Chapter 6. New generalization of the power summability methods for Dunkl generalization of Sz´asz operators via q-calculus.- Chapter 7. Approximation by generalized Sz´asz-Jakimovski-Leviatan type operators.- Chapter 8. On Approximation of Signals.- Chapter 9. Numerical Solution for nonlinear problems.- Chapter 10. Sz´asz-type operators involving q-Appell polynomials.- Chapter 11. Commutants of the infinite Hilbert operators.- Chapter 12. On complex uncertain sequences defined by Orlicz function.- Chapter 13. Ulam-Hyers stability of mixed type functional equation deriving from additive and quadratic mappings in intuitionistic random normed spaces.- Chapter 14. A StudyOn Q-Euler Difference Sequence Spaces.

S. A. Mohiuddine is a full professor of Mathematics at King Abdulaziz University, Jeddah, Saudi Arabia. An active researcher, he has co-authored four books: Convergence Methods for Double Sequences and Applications (Springer, 2014), Advances in Summability and Approximation Theory (Springer, 2018), Soft Computing Techniques in Engineering, Health, Mathematical and Social Sciences, Sequence Space Theory with Applications, and a number of chapters in several edited book and has contributed more than 150 research papers to various leading journals. He is the referee of many scientific journals and member of the editorial board of various scientific journals, international scientific bodies and organizing committees. He has visited several international universities including Imperial College London, UK. He was a guest editor of a number of special issues for Abstract and Applied Analysis, Journal of Function Spaces and Scientific World Journal. His research interests are in the fields of sequence spaces, statistical convergence, matrix transformation, measures of non-compactness and approximation theory. His name has been appeared in the list of World's Top 2% Scientists (for the three consecutive years 2020-2022) prepared by Stanford University, California, through Scopus data provided by Elsevier.



 Bipan Hazarika is a Professor at Department of Mathematics, Gauhati University, Guwahati, Assam. Earlier, he worked at Rajiv Gandhi University, Arunachal Pradesh, India from 2005 to 2017. He was Professor at Rajiv Gandhi University up to 2017. He received an M.Sc. and Ph.D. from Gauhati University, Guwahati, India. His main research areas are sequences spaces, summability theory, applications of fixed point theory, fuzzy analysis, and non-absolute integrable function spaces. He published more than 160 research articles in several renowned international journals. He is a regular reviewer of more than 50 different journals published by Springer,