This book covers recent results in linear algebra with indefinite inner product. It includes applications to differential and difference equations with symmetri

An abstract Volterra operator is, roughly speaking, a compact operator in a Hilbert space whose spectrum consists of a single point $\lambda=0$. The theory of a

Quaternions are a number system that has become increasingly useful for representing the rotations of objects in three-dimensional space and has important appli

Presents a unified mathematical framework for a wide range of problems in estimation and control.

With a substantial amount of new material, the Handbook of Linear Algebra, Second Edition provides comprehensive coverage of linear algebra concepts, applicatio