Thomason cohomology of categories
classification
🧮 math.KT
math.ATmath.CT
keywords
categoriestheoriescohomologyhomologysmallthomasonanalyzeassociated
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We introduce cohomology and homology theories for small categories with general coefficient systems from simplex categories first studied by Thomason. These theories generalize at once Baues-Wirsching cohomology and homology and other more classical theories. We analyze naturality and functoriality properties of these theories and construct associated spectral sequences for functors between small categories.
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