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15 Operator Matrices

  • Michael I. Gil’
Chapter
  • 366 Downloads
Part of the Lecture Notes in Mathematics book series (LNM, volume 1830)

Abstract

In the present chapter we consider the invertibility and spectrum of matrices, whose entries are unbounded, in general, operators. In particular, under some restrictions, we improve the Gershgorin-type bounds. Applications to matrix differential operators are also discussed.

Keywords

Hilbert Space Operator Matrix Spectral Variation Type Bound Require Result 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Michael I. Gil’
    • 1
  1. 1.Department of MathematicsBen Gurion University of NegevBeer-ShevaIsrael

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