Acta Applicandae Mathematica

, Volume 71, Issue 2, pp 117–126

An Approximation Method in the Variational Theory of the Spectrum of Operator Pencils

  • M. Hasanov

DOI: 10.1023/A:1014545418177

Cite this article as:
Hasanov, M. Acta Applicandae Mathematicae (2002) 71: 117. doi:10.1023/A:1014545418177


An approximation method, based on a theorem on approximating general operator-valued functions by piecewise-linear ones, is presented and analyzed. Using this method, variational characteristics of the spectrum of a class of operator functions are established.

approximation Rayleigh system variational principles 

Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • M. Hasanov
    • 1
  1. 1.Department of MathematicsIstanbul Technical UniversityMaslak, IstanbulTurkey

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