User It'sMe

59 votes

10 answers

12k views

What do you do when you're stuck?

asked Feb 6, 2023 at 9:30

7 votes

1 answer

442 views

Road map and references for combinatorial Hodge theory

asked Aug 31 at 23:57

6 votes

1 answer

312 views

Prove that $\overline{a}_{11}$ is a prime element in $R$

asked May 10, 2022 at 19:08

5 votes

0 answers

351 views

What representation theoretic properties does the semi-invariant ring tell us?

asked Aug 13, 2021 at 20:39

4 votes

2 answers

869 views

Research topics in representation theory of algebras [closed]

asked Aug 23, 2021 at 8:13

4 votes

0 answers

259 views

Road map for learning cluster algebras

asked Dec 20, 2022 at 23:39

3 votes

4 answers

807 views

$R$ is a UFD iff $R_{\frak{m}}$ is a UFD?

asked Jun 17, 2022 at 16:00

3 votes

2 answers

395 views

Cohen-Macaulay Representations

asked Jul 24, 2023 at 20:57

3 votes

0 answers

111 views

Example of an irreducible component with an open set of infinitely many codimension 2 (codimension 3) orbits

asked Dec 18, 2022 at 2:02

2 votes

0 answers

188 views

Help with Macaulay2 computation of invariant ring

asked Aug 20, 2023 at 0:52

2 votes

0 answers

129 views

Getting an equivariant morphism

asked Feb 1, 2023 at 22:35

2 votes

0 answers

174 views

How are tangent spaces related via geometric quotient?

asked Mar 26, 2023 at 0:44

2 votes

1 answer

165 views

Rep infinite, but $\tau$-tilting finite

asked May 11, 2023 at 17:14

2 votes

0 answers

86 views

Example of a triangular string algebra that is rep infinite, but $\tau$-tilting finite

asked May 11, 2023 at 20:44

2 votes

1 answer

257 views

Possible "algebraic" direction in hyperplane arrangements

asked Feb 24, 2022 at 7:16

2 votes

0 answers

173 views

Understanding the proof of a theorem by Van Den Bergh

asked Mar 2, 2022 at 22:26

2 votes

1 answer

186 views

Orbits in the open set given by Rosenlicht's result

asked Jan 11, 2023 at 3:30

2 votes

0 answers

268 views

Understanding a proof of a result of Schofield

asked Aug 20, 2022 at 1:53

1 vote

0 answers

115 views

Prove that $B$ is a directing module

asked Sep 14, 2022 at 3:53

1 vote

0 answers

128 views

Example of a brick-infinite, tame, triangular algebra of global dimension$\geq 3$

asked Oct 2, 2022 at 5:31

1 vote

0 answers

95 views

Is $U\subseteq X^{s}(L)$?

asked Nov 9, 2022 at 8:30

1 vote

0 answers

52 views

Is the Schofield semi invariant defined at $V/IV$?

asked Jan 20, 2023 at 0:39

1 vote

1 answer

155 views

Invariant ring of the subvariety

asked Jan 26, 2023 at 22:56

1 vote

0 answers

127 views

How to determine if an invariant rational function is defined at the $\theta$-polystable point

asked Jan 6, 2023 at 7:08

1 vote

0 answers

144 views

Non-empty stable locus of an irreducible component

asked Feb 21, 2022 at 2:50

1 vote

1 answer

218 views

A result of Schofield in the case of quivers with relations

asked Aug 8, 2022 at 12:22

1 vote

0 answers

330 views

Meaning of "cut out (scheme-theoretically)"

asked May 20, 2022 at 16:44

1 vote

0 answers

124 views

Some properties for height 1 prime ideals in the local ring

asked May 31, 2022 at 16:47

1 vote

0 answers

154 views

Software for computing invariant rings

asked Mar 27, 2023 at 23:02

1 vote

0 answers

69 views

Structure of tame concealed algebra of Euclidean type

asked Mar 31, 2023 at 18:25

Stack Exchange Network

40 Questions

What do you do when you're stuck?

Road map and references for combinatorial Hodge theory

Prove that $\overline{a}_{11}$ is a prime element in $R$

What representation theoretic properties does the semi-invariant ring tell us?

Research topics in representation theory of algebras [closed]

Road map for learning cluster algebras

$R$ is a UFD iff $R_{\frak{m}}$ is a UFD?

Cohen-Macaulay Representations

Example of an irreducible component with an open set of infinitely many codimension 2 (codimension 3) orbits

Help with Macaulay2 computation of invariant ring

Getting an equivariant morphism

How are tangent spaces related via geometric quotient?

Rep infinite, but $\tau$-tilting finite

Example of a triangular string algebra that is rep infinite, but $\tau$-tilting finite

Possible "algebraic" direction in hyperplane arrangements

Understanding the proof of a theorem by Van Den Bergh

Orbits in the open set given by Rosenlicht's result

Understanding a proof of a result of Schofield

Prove that $B$ is a directing module

Example of a brick-infinite, tame, triangular algebra of global dimension$\geq 3$

Is $U\subseteq X^{s}(L)$?

Is the Schofield semi invariant defined at $V/IV$?

Invariant ring of the subvariety

How to determine if an invariant rational function is defined at the $\theta$-polystable point

Non-empty stable locus of an irreducible component

A result of Schofield in the case of quivers with relations

Meaning of "cut out (scheme-theoretically)"

Some properties for height 1 prime ideals in the local ring

Software for computing invariant rings

Structure of tame concealed algebra of Euclidean type