This book is concerned with the study of infinite matrices and their approximation by matrices of finite size. The main concepts presented are invertibility at

This monograph covers the theory of finite and infinite matrices over the fields of real numbers, complex numbers and over quaternions. Emphasizing topics such

This volume collects contributions from participants in the IWOTA conference held virtually at Lancaster, UK, originally scheduled in 2020 but postponed to Augu

In the first half of this memoir the authors explore the interrelationships between the abstract theory of limit operators (see e.g. the recent monographs of Ra

This book presents a collection of expository and research papers on various topics in matrix and operator theory, contributed by several experts on the occasio