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About extending the Chern-Weil classification to the simplicial principal bundles

2023/04/28 by Abel H. G. Milor, Milor, Abel
Mathematics · Medicine · #Homotopy and Cohomology in Algebraic Topology #Ophthalmology and Eye Disorders #Geometry and complex manifolds

paper · pdf · doi:10.48550/arxiv.2305.06282

Abstract

After introducing the simplicial manifolds, such as the different ways of defining the differential forms on them, we summarized a canonical way of calculating the characteristic classes of a G-principal bundle by computing them on the classifying bundle EG\longrightarrow BG. Finally, we calculated the first Pontryagin class on the classifying bundle of the Lie matrix groups and showed that for certain of them, the computed form is equal to the symplectic form on BG given by some authors up to a constant coefficient.

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