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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 nonspectral Birkhoff-regular differential operator
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by Philip W. Walker PDF
Proc. Amer. Math. Soc. 66 (1977), 187-188 Request permission

Abstract:

It is shown by example that Birkhoff-regular differential operators need not be spectral.
References
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Additional Information
  • © Copyright 1977 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 66 (1977), 187-188
  • MSC: Primary 34B25; Secondary 47B40
  • DOI: https://doi.org/10.1090/S0002-9939-1977-0450669-8
  • MathSciNet review: 0450669