User Bipolar Minds

18 votes

2 answers

2k views

Duality between topology and bornology

asked May 10, 2016 at 17:33

14 votes

3 answers

899 views

Quotient of solid torus by swapping coordinates on boundary

asked Dec 22, 2021 at 10:26

12 votes

1 answer

552 views

Vertex algebras and factorization algebras

asked Jan 19, 2019 at 10:36

8 votes

0 answers

211 views

Categorical interpretation of quantum double $D(A,B,\eta)$

asked Jul 26, 2017 at 16:38

6 votes

0 answers

877 views

Understanding Segal's definition of conformal field theory

asked Aug 28, 2015 at 10:03

5 votes

0 answers

257 views

Lie algebras in braided monoidal categories

asked Dec 4, 2019 at 10:45

5 votes

0 answers

152 views

Interpretation of superfactorial in terms of plane partitions

asked Feb 15, 2022 at 23:16

4 votes

1 answer

383 views

Does the functor $\mathcal{C} \to \mathcal{Z}(\mathcal{C})$ have adjoints?

asked Sep 17, 2020 at 20:15

4 votes

1 answer

226 views

Is there a good notion of kernels of quadratic forms on abelian groups?

asked Feb 18 at 21:20

4 votes

0 answers

99 views

Tensor algebras in the bicategory $\mathsf{2Vect}$

asked Apr 7, 2020 at 12:00

4 votes

0 answers

153 views

Hopf monoid from comonoidal structures

asked Jan 26, 2019 at 21:39

4 votes

0 answers

61 views

Set-theoretic solutions of YBE for $n=3$

asked Jul 10, 2019 at 12:51

4 votes

1 answer

306 views

Examples of basic coalgebras

asked Aug 20, 2019 at 9:41

4 votes

0 answers

74 views

Categorical construction of comodule category of FRT algebra

asked Sep 6, 2019 at 11:31

4 votes

1 answer

335 views

Relation between dual of nuclear space $(\substack{\text{lim} \\ \leftarrow i} H_i)'$ and $\substack{\text{colim} \\ i \rightarrow } H_i$

asked May 7, 2015 at 12:02

4 votes

0 answers

556 views

Lusztig's definition of quantum groups

asked Oct 26, 2016 at 8:53

4 votes

0 answers

67 views

Is the associated grouplike $\gamma=uS(u)^{-1}$ of a quasi-triangular Hopf algebra always the square of another grouplike?

asked Apr 5, 2017 at 16:36

3 votes

0 answers

193 views

Unique upper triangular basis matrix of sublattice $\Lambda \subseteq \mathbb{Z}^n$

asked Sep 8, 2016 at 15:54

3 votes

1 answer

329 views

Solvability conditions for linear system of diophantine equations

asked Sep 13, 2016 at 20:53

3 votes

0 answers

245 views

Non-compact analogue of Peter-Weyl

asked Apr 12, 2016 at 17:33

3 votes

1 answer

229 views

Question on Eilenberg-Watts theorem

asked May 25, 2018 at 15:59

3 votes

1 answer

197 views

Recurrence formula for boxed plane partitions

asked Mar 12, 2022 at 10:41

3 votes

1 answer

278 views

Geometric interpretation of shuffle product

asked May 11, 2022 at 12:09

2 votes

0 answers

104 views

Simplicial basis in iterated bar construction

asked Jun 3, 2022 at 20:19

2 votes

0 answers

154 views

Coend of full subcategory

asked Feb 11, 2019 at 10:52

2 votes

0 answers

119 views

Grothendieck groupoid associated to bicategory

asked Oct 29, 2019 at 7:13

2 votes

1 answer

246 views

Recurrence relation for number of reduced words of longest element in $S_n$

asked Apr 27, 2020 at 17:54

2 votes

0 answers

134 views

Generalization of monoidal category with tensor products of $n$ objects

asked Dec 13, 2019 at 14:30

2 votes

0 answers

92 views

Alternating bihomomorphism is skew of 2-cocycle - relative situation

asked Mar 29, 2017 at 14:32

2 votes

0 answers

64 views

Alternating $n$-homomorphism on abelian group is skew of $n$-cocycle

asked Jul 31, 2020 at 12:09

Stack Exchange Network

44 Questions

Duality between topology and bornology

Quotient of solid torus by swapping coordinates on boundary

Vertex algebras and factorization algebras

Categorical interpretation of quantum double $D(A,B,\eta)$

Understanding Segal's definition of conformal field theory

Lie algebras in braided monoidal categories

Interpretation of superfactorial in terms of plane partitions

Does the functor $\mathcal{C} \to \mathcal{Z}(\mathcal{C})$ have adjoints?

Is there a good notion of kernels of quadratic forms on abelian groups?

Tensor algebras in the bicategory $\mathsf{2Vect}$

Hopf monoid from comonoidal structures

Set-theoretic solutions of YBE for $n=3$

Examples of basic coalgebras

Categorical construction of comodule category of FRT algebra

Relation between dual of nuclear space $(\substack{\text{lim} \\ \leftarrow i} H_i)'$ and $\substack{\text{colim} \\ i \rightarrow } H_i$

Lusztig's definition of quantum groups

Is the associated grouplike $\gamma=uS(u)^{-1}$ of a quasi-triangular Hopf algebra always the square of another grouplike?

Unique upper triangular basis matrix of sublattice $\Lambda \subseteq \mathbb{Z}^n$

Solvability conditions for linear system of diophantine equations

Non-compact analogue of Peter-Weyl

Question on Eilenberg-Watts theorem

Recurrence formula for boxed plane partitions

Geometric interpretation of shuffle product

Simplicial basis in iterated bar construction

Coend of full subcategory

Grothendieck groupoid associated to bicategory

Recurrence relation for number of reduced words of longest element in $S_n$

Generalization of monoidal category with tensor products of $n$ objects

Alternating bihomomorphism is skew of 2-cocycle - relative situation

Alternating $n$-homomorphism on abelian group is skew of $n$-cocycle