Qwert Otto

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ra.rings-and-algebras

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Hochschild cohomology of a group algebra

Oct 20, 2023

9

Formal smoothness of path algebras and connections

Jan 30

7

Lie algebra cohomology of the space of vector fields

Dec 11, 2023

6

Quiver variety, generically symplectic

Aug 6

6

Can Harrison cohomology be written using Ext?

Sep 11

Answers

2

Infinite-dimensional, non-unital Frobenius algebras

Jun 21

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ra.rings-and-algebras

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frobenius-algebras

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associative-algebras

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coalgebras

2

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2

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noncommutative-geometry

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7

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Lie subalgebra annihilated by all derivations

+20

Cohomology of representation varieties and the Hochschild cohomology

+10

Units of the group algebra of a free group

+10

Lie algebra cohomology of formal non-commutative vector fields

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