User QSR

13 votes

2 answers

902 views

References for Stiefel-Whitney class of Stiefel manifolds and Grassmannians

asked Oct 12, 2015 at 1:06

12 votes

1 answer

825 views

Stiefel-Whitney class of fibre bundles

asked Sep 25, 2015 at 2:01

11 votes

2 answers

991 views

first Chern class of complex vector bundles and first Pontrjagin class of quaternionic vector bundles

asked Oct 6, 2015 at 1:00

10 votes

1 answer

1k views

positions of a methane molecule with carbon atom at the origin

asked Oct 3, 2015 at 3:31

10 votes

2 answers

1k views

cup product and Steenrod operations in Serre spectral sequence

asked Aug 29, 2015 at 2:53

9 votes

1 answer

487 views

Steenrod operations on cohomology of grassmannians

asked Aug 19, 2015 at 10:55

9 votes

4 answers

1k views

Examples of Stiefel-Whitney classes of manifolds

asked Sep 21, 2015 at 2:19

8 votes

1 answer

946 views

cohomology of iterated loop space on spheres

asked Aug 31, 2015 at 10:14

8 votes

2 answers

1k views

rational cohomology of finite real grassmannian

asked Mar 23, 2015 at 6:50

7 votes

1 answer

541 views

vector bundles associated to a covering space

asked Oct 8, 2015 at 2:22

7 votes

0 answers

192 views

mod $p$ homology module of unordered configuration spaces of the projective plane

asked Jun 2, 2016 at 4:34

6 votes

1 answer

298 views

Stiefel-Whitney class of unordered configuration space

asked Sep 5, 2015 at 8:26

5 votes

0 answers

148 views

configuration space of Riemannian manifolds with a parameter on the distance of distinct points

asked Sep 25, 2015 at 1:54

5 votes

2 answers

806 views

triviality of Whitney sums of a vector bundle

asked Oct 9, 2015 at 13:31

5 votes

0 answers

242 views

characteristic classes of a covering space with symmetric group action

asked Oct 6, 2015 at 5:41

5 votes

1 answer

330 views

characteristic classes of tangent bundle of 2-nd unordered configuration space

asked Sep 4, 2015 at 7:52

4 votes

1 answer

246 views

group completion theorem of homology as Hopf algebras

asked Aug 21, 2015 at 12:51

4 votes

1 answer

347 views

unordered configuration space over spheres and Euclidean spaces

asked Sep 2, 2015 at 6:31

4 votes

1 answer

252 views

Configuration spaces of positive and negative particles

asked Jul 13, 2015 at 10:53

4 votes

2 answers

1k views

Cup product of cohomology in a Serre spectral sequence

asked Sep 25, 2015 at 8:27

3 votes

2 answers

601 views

mod p cohomology ring of alternating groups

asked Oct 4, 2015 at 6:13

3 votes

1 answer

199 views

group completion theorem by using homology fibrations

asked Jul 2, 2015 at 1:37

3 votes

1 answer

180 views

cohomology ring of infinite iterated loop space

asked Sep 3, 2015 at 12:17

3 votes

1 answer

1k views

characteristic classes of homotopy equivalent manifolds

asked Sep 4, 2015 at 3:36

3 votes

2 answers

319 views

cohomology algebra of braid spaces, configuration spaces

asked Jan 15, 2015 at 5:17

3 votes

0 answers

126 views

group actions of $S^3$ on the configuration space of projective plane

asked Jun 6, 2016 at 7:10

3 votes

1 answer

453 views

geometric conditions on maps between manifolds inducing monomorphisms on cohomology

asked Oct 24, 2015 at 8:37

3 votes

1 answer

463 views

cohomology module of unit tangent vector bundles over spheres

asked Jan 15, 2016 at 6:22

2 votes

1 answer

1k views

embeddings of product of spheres in Euclidean spaces [closed]

asked Nov 19, 2015 at 13:09

2 votes

1 answer

465 views

induced group actions and covering maps on Eilenberg-Maclane space

asked Jun 2, 2016 at 8:07

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44 Questions

References for Stiefel-Whitney class of Stiefel manifolds and Grassmannians

Stiefel-Whitney class of fibre bundles

first Chern class of complex vector bundles and first Pontrjagin class of quaternionic vector bundles

positions of a methane molecule with carbon atom at the origin

cup product and Steenrod operations in Serre spectral sequence

Steenrod operations on cohomology of grassmannians

Examples of Stiefel-Whitney classes of manifolds

cohomology of iterated loop space on spheres

rational cohomology of finite real grassmannian

vector bundles associated to a covering space

mod $p$ homology module of unordered configuration spaces of the projective plane

Stiefel-Whitney class of unordered configuration space

configuration space of Riemannian manifolds with a parameter on the distance of distinct points

triviality of Whitney sums of a vector bundle

characteristic classes of a covering space with symmetric group action

characteristic classes of tangent bundle of 2-nd unordered configuration space

group completion theorem of homology as Hopf algebras

unordered configuration space over spheres and Euclidean spaces

Configuration spaces of positive and negative particles

Cup product of cohomology in a Serre spectral sequence

mod p cohomology ring of alternating groups

group completion theorem by using homology fibrations

cohomology ring of infinite iterated loop space

characteristic classes of homotopy equivalent manifolds

cohomology algebra of braid spaces, configuration spaces

group actions of $S^3$ on the configuration space of projective plane

geometric conditions on maps between manifolds inducing monomorphisms on cohomology

cohomology module of unit tangent vector bundles over spheres

embeddings of product of spheres in Euclidean spaces [closed]

induced group actions and covering maps on Eilenberg-Maclane space