ebook9783319611709d4325

Description

This book offers an account of a number of aspects of operator theory, mainly¬†developed since the 1980s, whose problems have their roots in quantum theory. The research presented¬†is in non-commutative operator approximation theory or, to use Halmos’¬†terminology, in operator approximants.¬†Focusing on the concept of approximants, this self-contained book is suitable for graduate courses.