Euler classes of vector bundles over manifolds

Author:

Naolekar Aniruddha C.1

Affiliation:

1. Statistics and Mathematics Unit, Indian Statistical Institute , 8th Mile Mysore Road, RVCE Post , Bangalore , India

Abstract

Abstract Let 𝓔 k denote the set of diffeomorphism classes of closed connected smooth k-manifolds X with the property that for any oriented vector bundle α over X, the Euler class e(α) = 0. We show that if X ∈ 𝓔2n+1 is orientable, then X is a rational homology sphere and π 1(X) is perfect. We also show that 𝓔8 = ∅ and derive additional cohomlogical restrictions on orientable manifolds in 𝓔 k .

Publisher

Walter de Gruyter GmbH

Subject

General Mathematics

Reference10 articles.

1. Bredon, G. E.—Kosinski, A.: Vector fields on π-manifolds, Ann. of Math. 84(1) (1966), 85–90.

2. Čadek, M.—Vanžura, J.: On oriented vector bundles over CW-complexes of dimension 6 and 7, Comment. Math. Univ. Carolin. 33(4) (1992), 727–736.

3. Guijarro, L.—Schick, T.—Walschap, G.: Bundles with spherical Euler class, Pacific J. Math. 27(2) (2002), 377–392.

4. Hatcher, A.: Algebraic Topology, https://pi.math.cornell.edu/hatcher/AT/AT.pdf

5. Husemoller, D.: Fibre Bundles, Springer-Verlag, New York 1966.

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