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Search: MSC category 55R25 ( Sphere bundles and vector bundles )

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1. CMB 2017 (vol 60 pp. 235)

Basu, Samik; Subhash, B
 Topology of Certain Quotient Spaces of Stiefel Manifolds We compute the cohomology of the right generalised projective Stiefel manifolds. Following this, we discuss some easy applications of the computations to the ranks of complementary bundles, and bounds on the span and immersibility. Keywords:projective Stiefel manifold, span, spectral sequenceCategories:55R20, 55R25, 57R20

2. CMB 1999 (vol 42 pp. 52)

Edmonds, Allan L.
 Embedding Coverings in Bundles If $V\to X$ is a vector bundle of fiber dimension $k$ and $Y\to X$ is a finite sheeted covering map of degree $d$, the implications for the Euler class $e(V)$ in $H^k(X)$ of $V$ implied by the existence of an embedding $Y\to V$ lifting the covering map are explored. In particular it is proved that $dd'e(V)=0$ where $d'$ is a certain divisor of $d-1$, and often $d'=1$. Categories:57M10, 55R25, 55S40, 57N35
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