User Shiquan Ren

9 votes

1 answer

541 views

cohomology of classifying space of permutation groups

asked Oct 20, 2014 at 7:07

9 votes

1 answer

384 views

embedding of quaternionic projective spaces

asked Jan 7, 2016 at 2:32

8 votes

2 answers

849 views

quotient space of Eilenberg-MacLane space

asked Jan 13, 2016 at 0:50

7 votes

0 answers

424 views

kernel of the mod $2$ Bockstein on the first cohomology group

asked Mar 10, 2016 at 12:23

7 votes

2 answers

726 views

contractible configuration spaces

asked Mar 2, 2015 at 1:40

6 votes

1 answer

2k views

cohomology version of Cartan-Leray spectral sequence that deduces cup product

asked Jan 14, 2015 at 9:02

6 votes

3 answers

2k views

classifying space of orthogonal groups

asked Nov 18, 2015 at 2:58

6 votes

0 answers

136 views

torsion part of homology of simplicial complexes [duplicate]

asked Mar 4, 2017 at 5:57

6 votes

1 answer

563 views

a question about Bockstein spectral sequence

asked Mar 1, 2016 at 8:16

6 votes

1 answer

184 views

non-orientability of vector bundles induced from a symmetric group action

asked Mar 8, 2016 at 4:42

5 votes

1 answer

416 views

triviality of homology with local coefficients

asked Nov 25, 2020 at 13:54

5 votes

4 answers

3k views

integral or rational cohomology of real grassmannians

asked Feb 1, 2015 at 6:44

5 votes

3 answers

1k views

classifying space and cohomology of integer general linear group

asked Feb 5, 2015 at 4:00

4 votes

1 answer

760 views

cohomology ring of symmetric group of order $3$

asked Feb 13, 2015 at 3:34

4 votes

1 answer

605 views

Relation between cohomology of ordered and unordered configuration spaces

asked Jan 11, 2015 at 7:46

4 votes

1 answer

420 views

homology of configuration spaces of non-compact manifolds

asked Feb 1, 2015 at 2:48

4 votes

1 answer

298 views

Characterizations of groups whose general linear representations are all trivial

asked Nov 20, 2020 at 4:37

4 votes

2 answers

381 views

homotopy equivalence between configuration spaces

asked Jan 7, 2016 at 9:43

3 votes

1 answer

1k views

cohomology of the orbit space of a group action

asked Mar 19, 2015 at 1:41

3 votes

1 answer

366 views

cohomology ring of configuration spaces

asked Mar 20, 2015 at 2:33

3 votes

1 answer

324 views

self-Whitney sum of the canonical vector bundle on Grassmannians

asked Dec 28, 2015 at 9:49

3 votes

1 answer

557 views

the "Kahn-Priddy map" and "multiplicative $p$-local equivalence"

asked Nov 11, 2015 at 1:58

3 votes

2 answers

186 views

equivariant embeddings from the k-th configuration space to the k+1-th configuration space

asked Nov 12, 2015 at 11:45

2 votes

1 answer

129 views

cohomology algebra of submanifold in euclidean space

asked Mar 11, 2015 at 4:02

2 votes

1 answer

624 views

Schubert calculus and Pieri's formula

asked Aug 22, 2015 at 1:37

2 votes

3 answers

2k views

ideals of polynomial ring with complex number coefficients

asked Apr 27, 2015 at 3:54

2 votes

2 answers

3k views

Ideals generated by two elements in the polynomial ring of two variables over a field

asked Apr 17, 2015 at 2:49

2 votes

1 answer

391 views

cohomology of orthogonal (or general linear) group over finite fields

asked Feb 16, 2015 at 2:24

2 votes

1 answer

340 views

fiber sequence of principal bundles

asked Jan 13, 2015 at 3:34

2 votes

1 answer

191 views

programming to compute kernel quotient image of a $\mathbb{Z}$-module endomorphism

asked Jan 26, 2016 at 4:31

Stack Exchange Network

55 Questions

cohomology of classifying space of permutation groups

embedding of quaternionic projective spaces

quotient space of Eilenberg-MacLane space

kernel of the mod $2$ Bockstein on the first cohomology group

contractible configuration spaces

cohomology version of Cartan-Leray spectral sequence that deduces cup product

classifying space of orthogonal groups

torsion part of homology of simplicial complexes [duplicate]

a question about Bockstein spectral sequence

non-orientability of vector bundles induced from a symmetric group action

triviality of homology with local coefficients

integral or rational cohomology of real grassmannians

classifying space and cohomology of integer general linear group

cohomology ring of symmetric group of order $3$

Relation between cohomology of ordered and unordered configuration spaces

homology of configuration spaces of non-compact manifolds

Characterizations of groups whose general linear representations are all trivial

homotopy equivalence between configuration spaces

cohomology of the orbit space of a group action

cohomology ring of configuration spaces

self-Whitney sum of the canonical vector bundle on Grassmannians

the "Kahn-Priddy map" and "multiplicative $p$-local equivalence"

equivariant embeddings from the k-th configuration space to the k+1-th configuration space

cohomology algebra of submanifold in euclidean space

Schubert calculus and Pieri's formula

ideals of polynomial ring with complex number coefficients

Ideals generated by two elements in the polynomial ring of two variables over a field

cohomology of orthogonal (or general linear) group over finite fields

fiber sequence of principal bundles

programming to compute kernel quotient image of a $\mathbb{Z}$-module endomorphism