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Somnath Basu's user avatar
Somnath Basu's user avatar
Somnath Basu
  • Member for 14 years, 5 months
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13 Questions

Score Activity Newest Views
42 votes
5 answers
2k views

How are the classifying space of $E_8$ and $K(\mathbb{Z},4)$ related?

18 votes
1 answer
1k views

Whitehead product with identity on homotopy groups of spheres

15 votes
4 answers
2k views

How transitive are the actions of symplectomorphism groups ?

13 votes
1 answer
948 views

Hopf algebras as cohomology of $\mathbb{CP}^\infty$, $\Omega S^3$ and related $H$-spaces

13 votes
1 answer
1k views

Homotopy type of the self-homotopy equivalences of a bouquet of spheres

12 votes
2 answers
1k views

Combinatorics of the Stasheff polytopes

12 votes
3 answers
1k views

Geometric models for classifying spaces of a group

12 votes
6 answers
2k views

Differentiability of eigenvalues of positive-definite symmetric matrices

6 votes
3 answers
489 views

Tutte polynomials of appropriate Cayley graphs

6 votes
3 answers
542 views

Cobordism and finite sheeted covers of manifolds

5 votes
1 answer
309 views

Embedding $S^1\sqcup S^2$ in $S^4$ and its variants

4 votes
0 answers
133 views

Sobolev space of maps between manifolds with boundary

4 votes
0 answers
146 views

Are Sasakian metrics (associated to bumpy metrics) bumpy?