Integral Equations and Operator Theory

, Volume 10, Issue 1, pp 140–145 | Cite as

An inequality for generalized s-numbers

  • Yoshihiro Nakamura
Short Communications

Abstract

We shall prove an inequality for the generalized s-numbers of the product of two operators by a method which is new even in the case of matrices and compact operators.

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References

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    F. Hiai and Y. Nakamura: Majorizations for generalized s-numbers in semifinite von Neumann algebras, preprint.Google Scholar
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    A. S. Markus: The eigen- and singular values of the sum and product of linear operators, Russian Math. Surveys 19 (1964), 91–120.CrossRefMATHMathSciNetGoogle Scholar

Copyright information

© Birkhäuser Verlag 1987

Authors and Affiliations

  • Yoshihiro Nakamura
    • 1
  1. 1.Division of Applied Mathematics Research Institute of Applied ElectricityHokkaido UniversitySapporoJapan

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