A Cohomological Bundle Theory for Sheaf Cohomology (2009.07665v2)

Published 16 Sep 2020 in math.AT

Abstract: We develop a bundle theory of presheaves on small categories, based on similar work by Brent Everitt and Paul Turner. For a certain set of presheaves on posets, we produce a Leray-Serre type spectral sequence that gives a reduction property for the cohomology of the presheaf. This extends the usual cohomological reduction of posets with a unique maximum.

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Authors (1)

Mihail Hurmuzov

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