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Resolvent and Spectrum

  • Kôsaku Yosida
Chapter
  • 236 Downloads
Part of the Die Grundlehren der mathematischen Wissenschaften book series (GL, volume 123)

Abstract

Let T be a linear operator whose domain D (T) and range R (T) both lie in the same complex linear topological space X. We consider the linear operator
$${{T}_{\lambda }} = \lambda I - T,$$
where λ is a complex number and I the identity operator. The distribution of the values of λ for which T λ has an inverse and the properties of the inverse when it exists, are called the spectral theory for the operator T. We shall thus discuss the general theory of the inverse of T λ.

Keywords

Linear Operator Periodic Function Spectral Radius Ergodic Theorem Continuous Linear Operator 
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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Comments and References

  1. [2]
    Phillips, R. S. The adjoint semi-group. Pacific J. Math. 5, 269–283 (1955).zbMATHGoogle Scholar
  2. [1]
    Nagumo, M. Einige analytische Untersuchungen in linearen metrischen Ringen. Jap. J. Math. 18, 61–80 (1936).Google Scholar
  3. [1]
    Taylor, A. Introduction to Functional Analysis, Wiley 1958.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1971

Authors and Affiliations

  • Kôsaku Yosida
    • 1
  1. 1.Research Institute for Mathematical SciencesUniversity of KyotoKyotoJapan

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