Contributions to Operator Theory in Spaces with an Indefinite Metric: The Heinz Langer Anniversary Volume

by Heinz Langer

Heinz Langer and his work.- On the spectra of some class of quadratic operator pencils.- Special realizations for Schur upper triangular operators.- On the defect of noncontractive operators in Kre?nin spaces: a new formula and some applications.- Positive differential operators in the Krein space L2(M?n).- Singular values of positive pencils and applications.- Perturbations of Krein spaces preserving the nonsingularity of the critical point infinity.-...

• Format: Hardcover
• Language: English
• ISBN: 3764360038
• ISBN13: 9783764360030
• Release Date: October 1998
• Publisher: Birkhauser
• Length: 432 Pages
• Weight: 1.95 lbs.
• Dimensions: 0.9" x 6.7" x 9.6"