This book is devoted to a new direction in linear algebra and operator theory that deals with the invariants of partially specified matrices and operators, and

"The collection of the contributions to these volumes offers a flavor of the plethora of different approaches to attack structured matrix problems. The reader w

Mathematicians do not work in isolation. They stand in a long and time honored tradition. They write papers and (sometimes) books, they read the publications of

This book explores a new direction in linear algebra and operator theory dealing with the invariants of partially specified matrices and operators, and with the

This book delineates the various types of factorization problems for matrix and operator functions. The problems originate from, or are motivated by, the theory