Fixed points of Anosov maps of certain manifolds
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- by Jonathan D. Sondow PDF
- Proc. Amer. Math. Soc. 61 (1976), 381-384 Request permission
Abstract:
Lemma. If $H$ is a graded exterior algebra on odd generators with augmentation ideal $J$ and $h:H \to H$ is an algebra homomorphism inducing $J/{J^2} \to J/{J^2}$ with eigenvalues $\{ {\lambda _i}\}$, then the Lefschetz number $L(h) = \Pi (1 - {\lambda _i})$. The lemma is applied to an Anosov map or diffeomorphism of a compact manifold with real cohomology $H$ to give sufficient conditions that none of the eigenvalues ${\lambda _i}$ be a root of unity and that there exist a fixed point. In particular, every Anosov diffeomorphism of a compact connected Lie group has a fixed point.References
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Additional Information
- © Copyright 1976 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 61 (1976), 381-384
- MSC: Primary 58F15; Secondary 55C20
- DOI: https://doi.org/10.1090/S0002-9939-1976-0438398-7
- MathSciNet review: 0438398