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arxiv: 1404.1327 · v1 · pith:IWLO534Qnew · submitted 2014-03-18 · 🧮 math.AT · math.CT

Morita cohomology

classification 🧮 math.AT math.CT
keywords cohomologyconsiderquasi-equivalentspacecategoriescategorificationscategorychains
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We consider two categorifications of the cohomology of a topological space X by taking coefficients in the category of differential graded categories. We consider both derived global sections of a constant presheaf and singular cohomology and find the resulting dg-categories are quasi-equivalent and moreover quasi-equivalent to representations in perfect complexes of chains on the loop space of X.

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