Completion problems for operator matrices are concerned with the question of whether a partially specified operator matrix can be completed to form an operator

Completion problems for operator matrices are concerned with the question of whether a partially specified operator matrix can be completed to form an operator

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

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

Intensive research in matrix completions, moments, and sums of Hermitian squares has yielded a multitude of results in recent decades. This book provides a comp