User Mare - MathOverflow

21 votes

Noteworthy, but not so famous conjectures resolved recent years

answered Feb 2, 2019 at 22:47

19 votes

Roadmap to learning the classification of finite simple groups

answered Sep 14, 2020 at 16:24

19 votes

Accepted

Reference request: a tale of two mathematicians

answered Oct 14, 2021 at 8:31

18 votes

Accepted

For what modules is the endomorphism ring a division ring?

answered Nov 26, 2020 at 12:11

18 votes

Why the stable module category?

answered Apr 30, 2023 at 22:49

17 votes

Reference request: the theory of currents

answered Sep 21, 2020 at 13:52

16 votes

Global homological dimension of group rings

answered May 14, 2021 at 11:28

14 votes

Some interesting and elementary topics with connections to the representation theory?

answered Oct 6, 2019 at 9:04

14 votes

Which of the proofs of the fundamental theorem of algebra can actually produce bounds on where the roots are?

answered Oct 15, 2019 at 8:45

13 votes

A second course in the representation theory

answered Aug 20, 2019 at 15:06

12 votes

Closed formulas for the character of the symmetric group

answered Oct 9, 2018 at 7:47

12 votes

Representations of products of symmetric groups

answered Apr 11, 2021 at 17:38

12 votes

For which spaces $S^n$ ($n\geq 2$) is a universal covering space?

answered May 2, 2023 at 8:17

12 votes

Are eigenvalues preserved under derived equivalence?

answered May 26, 2022 at 11:05

11 votes

Big finitistic dimension of finite dimensional algebra

answered Oct 8, 2018 at 11:00

11 votes

Proposals for polymath projects

answered Jan 3, 2017 at 0:18

11 votes

The most outrageous (or ridiculous) conjectures in mathematics

answered Jan 18, 2017 at 13:40

10 votes

Early examples of mathematicians publishing (from home) in a foreign language?

answered Sep 14, 2018 at 13:23

10 votes

Accepted

Example of a ring where every module of finite projective dimension is free?

answered May 20, 2019 at 14:00

10 votes

Accepted

Symmetry is Morita Invariant

answered Apr 13 at 16:10

8 votes

Name for abelian category in which every short exact sequence splits

answered Apr 13, 2019 at 11:43

7 votes

Accepted

Adjoints for radical and socle functors

answered Nov 20, 2019 at 20:14

7 votes

Accepted

Finite dimensional algebras over $\mathbb{Q}$

answered Mar 3, 2020 at 12:26

7 votes

Is it true that $A$ is Morita equivalent with $M_I(A)$

answered Jan 13, 2018 at 9:51

7 votes

Proposals for polymath projects

answered Aug 31, 2017 at 13:42

7 votes

Is a Morita equivalent functor an exact functor(Module protective direct sum) ?

answered Nov 22, 2017 at 16:20

7 votes

Accepted

Whether hom functor and socle (radical) are commutative?

answered Mar 21, 2017 at 8:19

7 votes

Accepted

Tame-Wild dichotomy; why can't tame algebras be wild?

answered Mar 1, 2024 at 8:27

7 votes

Accepted

Structure theorem for artinian modules?

answered Nov 29, 2023 at 8:37

7 votes

Accepted

Quiver with two objects and two arrows composing to zero

answered Jul 4, 2022 at 9:08

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136 Answers

Noteworthy, but not so famous conjectures resolved recent years

Roadmap to learning the classification of finite simple groups

Reference request: a tale of two mathematicians

For what modules is the endomorphism ring a division ring?

Why the stable module category?

Reference request: the theory of currents

Global homological dimension of group rings

Some interesting and elementary topics with connections to the representation theory?

Which of the proofs of the fundamental theorem of algebra can actually produce bounds on where the roots are?

A second course in the representation theory

Closed formulas for the character of the symmetric group

Representations of products of symmetric groups

For which spaces $S^n$ ($n\geq 2$) is a universal covering space?

Are eigenvalues preserved under derived equivalence?

Big finitistic dimension of finite dimensional algebra

Proposals for polymath projects

The most outrageous (or ridiculous) conjectures in mathematics

Early examples of mathematicians publishing (from home) in a foreign language?

Example of a ring where every module of finite projective dimension is free?

Symmetry is Morita Invariant

Name for abelian category in which every short exact sequence splits

Adjoints for radical and socle functors

Finite dimensional algebras over $\mathbb{Q}$

Is it true that $A$ is Morita equivalent with $M_I(A)$

Proposals for polymath projects

Is a Morita equivalent functor an exact functor(Module protective direct sum) ?

Whether hom functor and socle (radical) are commutative?

Tame-Wild dichotomy; why can't tame algebras be wild?

Structure theorem for artinian modules?

Quiver with two objects and two arrows composing to zero