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arxiv: math/0504282 · v1 · pith:VY7AXSY3new · submitted 2005-04-13 · 🧮 math.CT

Cohomology of the Grothendieck construction

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keywords cohomologyconstructiongrothendieckabuttingbauescategoriescoefficientsconsider
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We consider cohomology of small categories with coefficients in a natural system in the sense of Baues and Wirsching. For any funtor L: K -> CAT, we construct a spectral sequence abutting to the cohomology of the Grothendieck construction of L in terms of the cohomology of K and of L(k), for k an object in K.

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