List questions from noncommutative-geometry

Published on 12 Apr 2026 - 20:21

58

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Do the cyclic or Hochschild homologies satisfy the addition axiom of Eilenberg Steenrod?

Published on 16 Apr 2026 - 0:00

44

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Reference for proof of homotopy invarance of Cyclic cohomolgy

Published on 17 Apr 2026 - 1:28

553

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Is there a discrete version of non-commutative geometry (yet)?

Published on 13 Apr 2026 - 2:31

94

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Smooth algebras and quasi-freeness

Published on 16 Apr 2026 - 5:17

379

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Monoidal categories and tensor products

Published on 15 Apr 2026 - 14:34

64

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Strong and weak equivalence of $C^*$-extensions by compacts

Published on 10 Apr 2026 - 18:31

224

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Diffeological isomorphisms between irrational tori.

Published on 26 Mar 2026 - 6:19

238

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Let $A$ be a $C^$-algebra, and $S,T\in A$ be normal. If $ST=TS$, then must $S^T=TS^*$?

Published on 26 Mar 2026 - 6:22

408

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Motivation for spectrum of an Abelian category

Published on 27 Apr 2026 - 2:46

74

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The reduced crossed product $A\rtimes_{\alpha,r}\Gamma$ doesn't depend on the choice of the faithful representation

Published on 15 Apr 2026 - 0:59

398

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AF C*-Algebras and Continuous Functions on Totally Disconnected Sets

Published on 26 Mar 2026 - 6:25

218

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Is the orthogonal complement a complementable submodule?

Published on 26 Mar 2026 - 8:03

148

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Star products and Jacobi Identity

Published on 11 May 2026 - 2:45

1.4k

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What prerequisites does noncommutative geometry have?

Published on 26 Mar 2026 - 6:18

List Question

Learning roadmap for Non-commutative Geometry

Do the cyclic or Hochschild homologies satisfy the addition axiom of Eilenberg Steenrod?

Reference for proof of homotopy invarance of Cyclic cohomolgy

Is there a discrete version of non-commutative geometry (yet)?

Smooth algebras and quasi-freeness

Monoidal categories and tensor products

Strong and weak equivalence of $C^*$-extensions by compacts

Diffeological isomorphisms between irrational tori.

Let $A$ be a $C^$-algebra, and $S,T\in A$ be normal. If $ST=TS$, then must $S^T=TS^*$?

Motivation for spectrum of an Abelian category

The reduced crossed product $A\rtimes_{\alpha,r}\Gamma$ doesn't depend on the choice of the faithful representation

AF C*-Algebras and Continuous Functions on Totally Disconnected Sets

Is the orthogonal complement a complementable submodule?

Star products and Jacobi Identity

What prerequisites does noncommutative geometry have?

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