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Hochschild cohomology of ring objects in monoidal categories |
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| Authors: | Magnus Hellstrøm-Finnsen |
| Institution: | 1. Institutt for matematiske fag, NTNU, Trondheim, Norwaymagnuhel@math.ntnu.no |
| Abstract: | We define the Hochschild complex and cohomology of a ring object in a monoidal category enriched over abelian groups. We interpret the cohomology groups and prove that the cohomology ring is graded-commutative. |
| Keywords: | Hochschild cohomology monoidal categories |