User Stefan Waldmann

5 votes

Morita equivalence for *-algebras

answered Jun 12, 2014 at 6:18

4 votes

Why do some literatures prefer right module to left module when dealing with DG modules?

answered Apr 9, 2016 at 11:52

4 votes

Deformation quantization of a closed Riemann surface with genus >1

answered Oct 22, 2014 at 6:57

4 votes

Does a nonabelian Picard group exist?

answered Mar 22, 2017 at 8:02

4 votes

$*$-representation $\pi:A\odot B\to B(H_1\otimes H_2)$ such that $\pi \neq \pi_1\otimes \pi_2$

answered Aug 10, 2016 at 5:14

4 votes

Interpretation of the Schouten bracket as an integrability condition

answered Dec 4, 2018 at 9:07

4 votes

Accepted

Hermitian vector bundles and Hilbert $C^*$-modules

answered Oct 9, 2021 at 14:05

4 votes

Reference: Learning noncommutative geometry and C^* algebras

answered Feb 3, 2011 at 11:36

4 votes

Reference for working with the implicit function theorem

answered Feb 7, 2011 at 16:53

4 votes

Commutator formulas in a universal enveloping algebra

answered Feb 8, 2011 at 15:34

4 votes

Describe a topic in one sentence.

answered May 20, 2011 at 15:55

4 votes

tangent and cotangent bundle

answered May 12, 2011 at 11:12

4 votes

Accepted

Open symplectic embeddings and deformation quantization

answered Sep 19, 2011 at 6:54

4 votes

Accepted

Prequantization and Hilbert space

answered Jul 8, 2013 at 6:36

4 votes

Is there a sheaf theoretical characterization of a differentiable manifold?

answered Feb 10, 2012 at 10:28

3 votes

Equivalence of star products on two differents Poisson algebras?

answered Apr 16, 2014 at 10:57

3 votes

Can you tell the volume of a symplectic manifold from the Poisson brackets?

answered Jan 20, 2012 at 11:38

3 votes

Accepted

Positive matrices matrices over commutative rings

answered May 31, 2011 at 8:37

3 votes

Looking for interesting actions that are not representations

answered Feb 22, 2011 at 19:24

3 votes

Accepted

Analogue Bialgeras vs Lie bialgebras

answered Mar 15, 2011 at 8:26

3 votes

center of the algebra of bounded operators

answered Mar 17, 2011 at 14:51

3 votes

Reverse Engineering to find deformation problem (from cohomology groups)?

answered Apr 11, 2011 at 8:17

3 votes

On Köthe sequence spaces

answered May 23, 2020 at 9:53

3 votes

Open problems in deformation theory

answered Jul 7, 2016 at 6:40

3 votes

graded generalization of the Moyal–Weyl product

answered Jul 28, 2014 at 13:54

3 votes

Accepted

Horizontal lift of differential operator

answered Oct 10, 2014 at 12:10

3 votes

A Lie group whose Lie algebra is equal to (the Lie algebra? of )all functions with fibrewise polynomial growth

answered Jul 15 at 7:11

2 votes

Accepted

Poisson structure on the dual Lie algebroid

answered Aug 3, 2016 at 15:52

2 votes

Quantum Grassmannians?

answered May 17, 2016 at 7:32

2 votes

The imaginary exponential of a tangent field on a manifold

answered Feb 5, 2019 at 7:32

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111 Answers

Morita equivalence for *-algebras

Why do some literatures prefer right module to left module when dealing with DG modules?

Deformation quantization of a closed Riemann surface with genus >1

Does a nonabelian Picard group exist?

$*$-representation $\pi:A\odot B\to B(H_1\otimes H_2)$ such that $\pi \neq \pi_1\otimes \pi_2$

Interpretation of the Schouten bracket as an integrability condition

Hermitian vector bundles and Hilbert $C^*$-modules

Reference: Learning noncommutative geometry and C^* algebras

Reference for working with the implicit function theorem

Commutator formulas in a universal enveloping algebra

Describe a topic in one sentence.

tangent and cotangent bundle

Open symplectic embeddings and deformation quantization

Prequantization and Hilbert space

Is there a sheaf theoretical characterization of a differentiable manifold?

Equivalence of star products on two differents Poisson algebras?

Can you tell the volume of a symplectic manifold from the Poisson brackets?

Positive matrices matrices over commutative rings

Looking for interesting actions that are not representations

Analogue Bialgeras vs Lie bialgebras

center of the algebra of bounded operators

Reverse Engineering to find deformation problem (from cohomology groups)?

On Köthe sequence spaces

Open problems in deformation theory

graded generalization of the Moyal–Weyl product

Horizontal lift of differential operator

A Lie group whose Lie algebra is equal to (the Lie algebra? of )all functions with fibrewise polynomial growth

Poisson structure on the dual Lie algebroid

Quantum Grassmannians?

The imaginary exponential of a tangent field on a manifold