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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.

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Invariant Lagrangian subspaces
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by Lars Andersson PDF
Proc. Amer. Math. Soc. 103 (1988), 1113-1119 Request permission

Abstract:

It is proved that on Hilbert spaces with strong symplectic form, every symplectic operator $I + C$ with $C$ compact has an invariant Lagrangian subspace.
References
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Additional Information
  • © Copyright 1988 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 103 (1988), 1113-1119
  • MSC: Primary 47B50; Secondary 47A15, 58F05, 58G15
  • DOI: https://doi.org/10.1090/S0002-9939-1988-0954992-7
  • MathSciNet review: 954992