This book publishes original research chapters on the theory of approximation by positive linear operators as well as theory of sequence spaces and illustrates

The book features original chapters on sequence spaces involving the idea of ideal convergence, modulus function, multiplier sequences, Riesz mean, Fibonacci di

This book is aimed at both experts and non-experts with an interest in getting acquainted with sequence spaces, matrix transformations and their applications. I

Many of our daily-life problems can be written in the form of an optimization problem. Therefore, solution methods are needed to solve such problems. Due to the

The theory of the measure of noncompactness has proved its significance in various contexts, particularly in the study of fixed point theory, differential equat