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Results tagged with hochschild-homology
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user 91245
For questions about Hochschild homology of associative algebras and related concepts.
5
votes
1
answer
315
views
Morphisms of Hochschild (or cyclic) homology induced by homotopic maps
Let $f$ and $g$ be two maps between DG algebras $A$ and $B$, and assume that $f$ and $g$ are homotopic as chain maps, hence they induce the same map on the level of homology. Moreover, $f$ and $g$ ind …
- 661
8
votes
1
answer
378
views
Algebraic models of non-simply connected spaces in string topology
I want to find some algebraic models relating string topology to Hochschild and cyclic homologies. If the space $X$ is simply-connected and we are working over rational numbers, we can use Sullivan mo …
- 661
7
votes
0
answers
409
views
Definitions of Hochschild Cohomology $HH^{\bullet}(A)$
Let $A$ be an associative unital $k$-algebra, and let $M$ be a bimodule of $A$. The Hochschild cohomology of $A$ with coefficients in $M$ can be defined as
$$HH^{n}(A,\,M)=\mathrm{Ext}^{n}_{A^{e}}(A,\ …
- 661