User Sergei Akbarov

56 votes

6 answers

7k views

Is the Mendeleev table explained in quantum mechanics?

asked Nov 5, 2011 at 19:36

45 votes

18 answers

11k views

Mathematical research interrupted by a war

asked Dec 17, 2017 at 8:18

33 votes

1 answer

2k views

Stone-Weierstrass theorem for holomorphic functions?

asked Dec 9, 2015 at 10:24

32 votes

5 answers

3k views

What is the status of the Hilbert 6th problem?

asked Aug 20, 2016 at 7:09

19 votes

5 answers

5k views

Are there textbooks on logic where the references to set theory appear only after the construction of set theory?

asked Sep 30, 2016 at 12:39

18 votes

3 answers

1k views

In which sense the GNS-construction is a functor?

asked Aug 16, 2016 at 6:48

18 votes

0 answers

612 views

Who first noticed the duality for finite groups?

asked Mar 2, 2019 at 12:27

15 votes

2 answers

684 views

Can a continuous function on a compact group $G$ be interpreted as the sum in $C(G)$ of its Fourier series?

asked May 18, 2014 at 15:15

15 votes

3 answers

2k views

Which journals publish research announcements?

asked Jul 5, 2015 at 17:07

14 votes

3 answers

1k views

What is known about the category of Hopf algebras?

asked Jan 29, 2021 at 22:02

14 votes

4 answers

2k views

What can be preserved in mathematics if all constructions are carried out in ZF?

asked Sep 20, 2022 at 11:40

13 votes

6 answers

2k views

Interesting examples of non-locally compact topological groups

asked Apr 14, 2019 at 14:41

13 votes

3 answers

2k views

A characterization of $L_1(\mu)$ in $L_\infty(\mu)^*$

asked May 27, 2018 at 18:14

11 votes

4 answers

2k views

What are Reinert's reproaches to the Ricardo theory?

asked Sep 16, 2015 at 14:17

10 votes

3 answers

855 views

Tannaka-Krein duality in Chari-Pressley's book

asked Sep 16, 2019 at 20:22

9 votes

1 answer

521 views

Which group algebras in analysis are "true group algebras"?

asked Feb 7, 2015 at 11:55

9 votes

0 answers

550 views

Is it possible to define Hopf algebra as an object in the category of (associative) algebras?

asked Aug 25, 2013 at 12:15

8 votes

3 answers

1k views

Is the category of rings co-well-powered?

asked Nov 1, 2011 at 12:54

8 votes

0 answers

299 views

when do norm-continuous unitary representations separate points of a group?

asked Aug 10, 2013 at 19:06

8 votes

3 answers

4k views

"Axiom of global choice"

asked Sep 20, 2012 at 5:04

8 votes

1 answer

687 views

When does the dual to the space $K(X)$ of compact operators consist of nuclear functionals?

asked Apr 7, 2019 at 16:54

8 votes

1 answer

769 views

A “formalistic” variant of the Gödel completeness theorem

asked Oct 8, 2017 at 7:50

7 votes

2 answers

249 views

Multiplication and division by a morphism under the “inner composition” in closed monoidal categories

asked Jun 30, 2019 at 6:11

7 votes

0 answers

1k views

Correspondence between real forms and real structures on complex Lie groups

asked May 22, 2015 at 6:16

7 votes

1 answer

259 views

Trigonometric polynomials on non-compact and non-abelian groups

asked Jan 25, 2015 at 11:04

7 votes

1 answer

883 views

Examples of (co)ends

asked Apr 17, 2021 at 15:51

6 votes

0 answers

176 views

Functions of polynomial growth on linear algebraic groups

asked Aug 13, 2022 at 12:58

6 votes

0 answers

860 views

Tannaka without Yoneda?

asked Sep 30, 2021 at 13:11

6 votes

0 answers

118 views

Categorical description of dense homomorphisms of topological algebras

asked Dec 6, 2015 at 21:14

6 votes

3 answers

1k views

A variant of the Stone-Weierstrass theorem?

asked Dec 21, 2011 at 23:07

Stack Exchange Network

93 Questions

Is the Mendeleev table explained in quantum mechanics?

Mathematical research interrupted by a war

Stone-Weierstrass theorem for holomorphic functions?

What is the status of the Hilbert 6th problem?

Are there textbooks on logic where the references to set theory appear only after the construction of set theory?

In which sense the GNS-construction is a functor?

Who first noticed the duality for finite groups?

Can a continuous function on a compact group $G$ be interpreted as the sum in $C(G)$ of its Fourier series?

Which journals publish research announcements?

What is known about the category of Hopf algebras?

What can be preserved in mathematics if all constructions are carried out in ZF?

Interesting examples of non-locally compact topological groups

A characterization of $L_1(\mu)$ in $L_\infty(\mu)^*$

What are Reinert's reproaches to the Ricardo theory?

Tannaka-Krein duality in Chari-Pressley's book

Which group algebras in analysis are "true group algebras"?

Is it possible to define Hopf algebra as an object in the category of (associative) algebras?

Is the category of rings co-well-powered?

when do norm-continuous unitary representations separate points of a group?

"Axiom of global choice"

When does the dual to the space $K(X)$ of compact operators consist of nuclear functionals?

A “formalistic” variant of the Gödel completeness theorem

Multiplication and division by a morphism under the “inner composition” in closed monoidal categories

Correspondence between real forms and real structures on complex Lie groups

Trigonometric polynomials on non-compact and non-abelian groups

Examples of (co)ends

Functions of polynomial growth on linear algebraic groups

Tannaka without Yoneda?

Categorical description of dense homomorphisms of topological algebras

A variant of the Stone-Weierstrass theorem?