Parallel Translation in Vector Bundles with Abelian Structure Group and the Gauss-Bonnet Formula
Keyword(s):
Most proofs for the classical Gauss-Bonnet formula use special coordinates, or other non-trivial preparations. Here, a simple proof is given, based on the fact that the structure group SO(2) of the tangent bundle of an oriented 2-dimensional Riemannian manifold is abelian. Since only this hypothesis is used, we prove a slightly more general result (Theorem 1).
1965 ◽
Vol 61
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pp. 847-854
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2021 ◽
Vol 62
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pp. 53-66
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pp. 124-129
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pp. 653-680
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pp. 1593-1610
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pp. 487-535
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pp. 2050122
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