Indefinite Inner Product Spaces, Schur Analysis, and Differential Equations

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Indefinite Inner Product Spaces, Schur Analysis, and Differential Equations is written by Daniel Alpay and published by Birkhäuser. It's available with International Standard Book Number or ISBN identification 3319688499 (ISBN 10) and 9783319688497 (ISBN 13).

This volume, which is dedicated to Heinz Langer, includes biographical material and carefully selected papers. Heinz Langer has made fundamental contributions to operator theory. In particular, he has studied the domains of operator pencils and nonlinear eigenvalue problems, the theory of indefinite inner product spaces, operator theory in Pontryagin and Krein spaces, and applications to mathematical physics. His works include studies on and applications of Schur analysis in the indefinite setting, where the factorization theorems put forward by Krein and Langer for generalized Schur functions, and by Dijksma-Langer-Luger-Shondin, play a key role. The contributions in this volume reflect Heinz Langer’s chief research interests and will appeal to a broad readership whose work involves operator theory.