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Mircea
  • Member for 12 years, 4 months
  • Last seen more than a month ago
36 votes
15 answers
11k views

Geometric imagination of differential forms

22 votes
2 answers
2k views

Examples of loss of regularity by "creation of topology"

21 votes
3 answers
1k views

nontrivial $\pi_2(\textrm{Diff}(M))$

11 votes
2 answers
631 views

Which curves and surfaces are realizable by linkages? references?

10 votes
3 answers
3k views

Defining the slowest divergent series

10 votes
1 answer
874 views

What would the best treatment of Gehring's lemma look like?

8 votes
2 answers
708 views

are stable holomorphic bundles over compact Kähler manifolds simple?

8 votes
1 answer
216 views

Is there a non-atomic finite positive measure in the plane, of which uncountably many projections have atoms?

7 votes
3 answers
1k views

Moser regularity proof avoiding John-Nirenberg lemma

7 votes
4 answers
678 views

Are there good product rules on the $k$-sphere?

7 votes
0 answers
73 views

Graphs all of whose cuts are positive

4 votes
0 answers
48 views

How are these "Voronoi-dual" configurations called?

4 votes
2 answers
1k views

Trace space and Neumann boundary condition

4 votes
1 answer
530 views

criterion for being a curvature

4 votes
1 answer
258 views

Criterion for being a simple vector

4 votes
1 answer
318 views

interval exchange maps and surfaces

3 votes
0 answers
51 views

Selfsimilar lattices in $\mathbb R^d$

3 votes
0 answers
107 views

What is a $C^\infty$ diffeomorphism from $\ell_2\setminus\{0\}$ to $\ell_2$ which is the identity outside a ball?

2 votes
0 answers
65 views

Infinitesimal rigidity vs local rigidity of isometrically immersed riemannian manifolds

2 votes
0 answers
100 views

rigidity of isoradial graphs

2 votes
0 answers
105 views

candidates for "projection" of the trace of a set onto the associated perimeter minimizer

2 votes
0 answers
144 views

theories where angles exist without a metric

2 votes
2 answers
438 views

solvability of an elementary functional equation

1 vote
0 answers
174 views

iterated traces for sobolev functions

0 votes
1 answer
86 views

When do there exist locally regular embeddings of regular graphs?