Skip to Main Content

Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

A note on reductive operators
HTML articles powered by AMS MathViewer

by Frank Gilfeather PDF
Proc. Amer. Math. Soc. 44 (1974), 101-105 Request permission

Abstract:

A bounded linear operator $A$ on a Hilbert space is called reductive if every invariant subspace of $A$ reduces it. This paper gives examples of operators which give an affirmative answer to the reductive question: If $A$ is reductive, then is $A$ normal?
References
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC: 47A15
  • Retrieve articles in all journals with MSC: 47A15
Additional Information
  • © Copyright 1974 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 44 (1974), 101-105
  • MSC: Primary 47A15
  • DOI: https://doi.org/10.1090/S0002-9939-1974-0341132-0
  • MathSciNet review: 0341132