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j.c.
  • Member for 14 years, 5 months
  • Last seen more than 2 years ago
53 votes
8 answers
9k views

Analogue to covering space for higher homotopy groups?

31 votes
4 answers
4k views

Largest hyperbolic disk embeddable in Euclidean 3-space?

16 votes
10 answers
3k views

Orbifold fundamental group in terms of loops?

8 votes
2 answers
1k views

Construction of maps $f:S^3 \to S^2$ with arbitrary Hopf invariant?

7 votes
4 answers
1k views

Generalized Cauchy-Binet sum over a fixed subset of indices

6 votes
2 answers
502 views

Asymptotics of the number of compositions whose summands are the divisors of a number?

5 votes
1 answer
470 views

A.J. Galitzer's Ph.D. thesis: On the moduli space of closed polygonal linkages on the 2-sphere

4 votes
0 answers
472 views

Hodge duality and the determinant of the product of two matrices

4 votes
1 answer
277 views

Real plane cubic curves from points in Gr(3,6) via a certain 6x6 determinant

4 votes
5 answers
442 views

Classifying maps into homogeneous spaces up to homotopy

4 votes
2 answers
422 views

Legendrian homotopy of curves in a contact structure?

4 votes
2 answers
2k views

proving that an inclusion map from a subcomplex is a homotopy equivalence

3 votes
1 answer
358 views

Homotopy classes of complex bundle maps and isotropic immersions into contact manifolds

3 votes
0 answers
421 views

Gauss map of the Veronese embedding of degree 2

3 votes
1 answer
529 views

Counting "connected" edge orderings (shellings) of the complete graph [duplicate]

1 vote
0 answers
82 views

Rigidity of lower-dimensional lattices in Euclidean groups