User Vadim Alekseev - MathOverflow

Vadim Alekseev

Member for 14 years, 5 months
Last seen this week

v-alekseev.org
Dresden, Deutschland

14 Answers

Score Activity Newest

18 votes

Accepted

Dualizing the notion of topological space

answered Nov 23, 2019 at 11:58

9 votes

Accepted

Is there a gap or flaw in Lang's proof of Dirichlet's $S$-units theorem?

answered Dec 24, 2019 at 16:16

9 votes

Accepted

Is there a natural topology on the automorphism group of a topological group?

answered Jan 8, 2022 at 12:36

7 votes

Accepted

Commutant of the conjugations by unitary matrices

answered Nov 30, 2019 at 11:11

6 votes

Groups for which all projections of $C^*_{\text{red}}G$ belong to $\mathbb{C}G$

answered Dec 28, 2019 at 8:09

3 votes

Is there a reasonable notion of spectral theorem on a pre-Hilbert space?

answered Dec 28, 2019 at 18:09

3 votes

Accepted

A certain generalization of the Poincare Bendixson theorem

answered Jan 1, 2020 at 17:36

3 votes

Accepted

Action of hyperbolic group on von Neumann algebra

answered Dec 23, 2019 at 10:49

3 votes

Accepted

Free linear group actions on spheres with "strong" angle preservation

answered Dec 23, 2019 at 22:42

3 votes

Functional calculus for direct integrals

answered Feb 10, 2010 at 14:08

2 votes

Approximating smooth functions with polynomials subject to constraints.

answered Dec 9, 2011 at 19:15

2 votes

Unusual crossed product constructions being factors

answered Nov 18, 2019 at 7:48

2 votes

Accepted

Smooth trivialization of smooth Hilbert bundles

answered Dec 23, 2019 at 12:12

1 vote

On tensor products of (essentially) bounded measurable functions

answered Jan 11, 2020 at 17:49