User Sergei Akbarov

45 votes

18 answers

10k views

Mathematical research interrupted by a war

asked Dec 17, 2017 at 8:18

56 votes

6 answers

6k views

Is the Mendeleev table explained in quantum mechanics?

asked Nov 5, 2011 at 19:36

18 votes

5 answers

4k 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

8 votes

3 answers

3k views

"Axiom of global choice"

asked Sep 20, 2012 at 5:04

31 votes

5 answers

3k views

What is the status of the Hilbert 6th problem?

asked Aug 20, 2016 at 7:09

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

32 votes

1 answer

2k views

Stone-Weierstrass theorem for holomorphic functions?

asked Dec 9, 2015 at 10:24

15 votes

3 answers

2k views

Which journals publish research announcements?

asked Jul 5, 2015 at 17:07

11 votes

4 answers

2k views

What are Reinert's reproaches to the Ricardo theory?

asked Sep 16, 2015 at 14:17

12 votes

6 answers

2k views

Interesting examples of non-locally compact topological groups

asked Apr 14, 2019 at 14:41

13 votes

3 answers

1k views

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

asked May 27, 2018 at 18:14

6 votes

3 answers

1k views

A variant of the Stone-Weierstrass theorem?

asked Dec 21, 2011 at 23:07

7 votes

3 answers

1k views

Is the category of rings co-well-powered?

asked Nov 1, 2011 at 12:54

15 votes

3 answers

1k views

What is known about the category of Hopf algebras?

asked Jan 29, 2021 at 22:02

18 votes

3 answers

1k views

In which sense the GNS-construction is a functor?

asked Aug 16, 2016 at 6:48

6 votes

0 answers

985 views

Correspondence between real forms and real structures on complex Lie groups

asked May 22, 2015 at 6:16

6 votes

0 answers

845 views

Tannaka without Yoneda?

asked Sep 30, 2021 at 13:11

5 votes

3 answers

779 views

Monoidal structure on a category with products and with terminal object

asked Nov 1, 2012 at 19:13

4 votes

3 answers

749 views

A textbook on linear algebra where involutions on linear spaces are considered

asked Jul 7, 2013 at 5:25

8 votes

1 answer

747 views

A “formalistic” variant of the Gödel completeness theorem

asked Oct 8, 2017 at 7:50

6 votes

1 answer

705 views

Examples of (co)ends

asked Apr 17, 2021 at 15:51

9 votes

2 answers

699 views

Tannaka-Krein duality in Chari-Pressley's book

asked Sep 16, 2019 at 20:22

15 votes

2 answers

664 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

6 votes

2 answers

657 views

The topology of pointwise convergence with the adjoint operator on a von Neumann algebra

asked Nov 1, 2016 at 19:20

4 votes

2 answers

649 views

Is antipode unique for bialgebras in arbitrary monoidal categories?

asked Aug 4, 2014 at 7:08

4 votes

4 answers

648 views

On Köthe sequence spaces

asked May 22, 2020 at 12:16

8 votes

1 answer

618 views

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

asked Apr 7, 2019 at 16:54

3 votes

2 answers

614 views

Identities that connect antipode with multiplication and comultiplication

asked Aug 12, 2014 at 3:01

2 votes

3 answers

605 views

the Richardson theorem and the base identities problem

asked May 11, 2012 at 12:18

4 votes

2 answers

594 views

When is the Fourier algebra $A(G)$ enough close to the Fourier-Stieltjes algebra $B(G)$?

asked Sep 24, 2014 at 9:32

Stack Exchange Network

92 Questions

Mathematical research interrupted by a war

Is the Mendeleev table explained in quantum mechanics?

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

"Axiom of global choice"

What is the status of the Hilbert 6th problem?

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

Stone-Weierstrass theorem for holomorphic functions?

Which journals publish research announcements?

What are Reinert's reproaches to the Ricardo theory?

Interesting examples of non-locally compact topological groups

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

A variant of the Stone-Weierstrass theorem?

Is the category of rings co-well-powered?

What is known about the category of Hopf algebras?

In which sense the GNS-construction is a functor?

Correspondence between real forms and real structures on complex Lie groups

Tannaka without Yoneda?

Monoidal structure on a category with products and with terminal object

A textbook on linear algebra where involutions on linear spaces are considered

A “formalistic” variant of the Gödel completeness theorem

Examples of (co)ends

Tannaka-Krein duality in Chari-Pressley's book

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

The topology of pointwise convergence with the adjoint operator on a von Neumann algebra

Is antipode unique for bialgebras in arbitrary monoidal categories?

On Köthe sequence spaces

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

Identities that connect antipode with multiplication and comultiplication

the Richardson theorem and the base identities problem

When is the Fourier algebra $A(G)$ enough close to the Fourier-Stieltjes algebra $B(G)$?