Classification of equivariant vector bundles over two-sphere

Details Classification of equivariant vector bundles over two-sphere Classification of equivariant vector bundles over two-sphere

2010-05-05

arxiv.org/abs/1005.0681v2

Mathematics

Group Theory

48pages

Scientific paper

We exhaustively classify topological equivariant complex vector bundles over two-sphere under a compact Lie group (not necessarily effective) action. It is shown that inequivariant Chern classes and isotropy representations at (at most) three points are sufficient to classify equivariant vector bundles except a few cases. To do it, we calculate equivariant homotopy of the set of equivariant clutching maps. Holomorphic version of this will be treated in other paper. Classification on two-torus, real projective plane, Klein bottle will appear soon.

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