User alesia

63 votes

Mathematicians with both “very abstract” and “very applied” achievements

answered Jan 1, 2020 at 3:07

15 votes

Accepted

Are there arbitrarily large families of lines in $\Bbb R^3$ with average angle $\ge \pi/3$?

answered Aug 16, 2022 at 13:47

8 votes

Accepted

Is there an upper bound on the number of points in point cloud for which we compute the persistent homology?

answered Mar 20, 2020 at 17:20

6 votes

Total length of a set with the same projections as a square

answered Nov 28, 2019 at 0:57

6 votes

Differentiability of the distance function from a (variable) point to a (fixed) set

answered May 17, 2019 at 15:15

6 votes

Unstable manifolds of a Morse function give a CW complex

answered Nov 24, 2019 at 16:51

5 votes

Accepted

Sufficient conditions to be a covariance

answered Dec 14, 2019 at 17:15

5 votes

Accepted

$\arg\max$ in the dual norm of the nuclear norm

answered May 3, 2020 at 13:31

5 votes

Accepted

For most directions does the supporting hyperplane meeting a bounded convex set meet it in one point?

answered Oct 10, 2022 at 18:03

4 votes

Accepted

Regularity of convex sets in $\mathbb{R}^n$

answered Feb 12 at 1:20

4 votes

Accepted

Finding a not too slim triangulation with prescribed vertices on $\mathbb R^2$

answered Jan 15, 2020 at 20:31

4 votes

Continuous section of support - Is it possible to map compact sets to measures supported on them?

answered Nov 27, 2019 at 19:10

4 votes

Accepted

Probability of traversing all other states and finally landing on one state

answered Jul 31, 2019 at 2:30

4 votes

Is every conformal manifold equivalent to a flat one with cone singularities?

answered Nov 17, 2019 at 18:26

3 votes

Accepted

Intrinsic volumes of non-polyconvex, non-compact sets

answered Nov 5, 2019 at 17:24

3 votes

Is Stoch enriched in Met?

answered Nov 23, 2019 at 3:07

3 votes

Accepted

Approximate homology of a large simplicial complex

answered Nov 28, 2018 at 1:36

3 votes

Accepted

Persistent homology stability results (query about Lipschitz functions)

answered Feb 14, 2020 at 15:57

3 votes

Accepted

The metric difficulty of unknotting unknots

answered Jun 2, 2020 at 18:08

2 votes

When is perimeter continuous under Hausdorff convergence?

answered Oct 20, 2020 at 15:10

2 votes

Morse theory for vector-valued functions

answered May 31, 2020 at 14:24

2 votes

Accepted

Coarea formula for measure of epsilon neighbourhood

answered Aug 7, 2022 at 15:32

2 votes

How do small changes in a filtered complex affect the associated spectral sequence

answered Jan 14, 2020 at 19:34

2 votes

Largest eigenvalue of product of orthogonal-projection rank-1 perturbation

answered Nov 30, 2018 at 21:08

2 votes

Fundamental group under Gelfand duality

answered Nov 20, 2019 at 20:17

2 votes

How much does the absolute value of an operator behave like an absolute value?

answered Nov 21, 2019 at 4:01

2 votes

Accepted

Getting Wasserstein closeness from a derivative estimate

answered Mar 7 at 0:28

1 vote

Couplings on empirical distributions

answered Aug 17, 2022 at 15:19

1 vote

Is every planar bounded $C^2$ domain finitely connected?

answered Aug 24, 2022 at 16:26

1 vote

Algorithm for grouping tetrahedra from Voronoi diagram

answered Oct 12 at 12:10

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43 Answers

Mathematicians with both “very abstract” and “very applied” achievements

Are there arbitrarily large families of lines in $\Bbb R^3$ with average angle $\ge \pi/3$?

Is there an upper bound on the number of points in point cloud for which we compute the persistent homology?

Total length of a set with the same projections as a square

Differentiability of the distance function from a (variable) point to a (fixed) set

Unstable manifolds of a Morse function give a CW complex

Sufficient conditions to be a covariance

$\arg\max$ in the dual norm of the nuclear norm

For most directions does the supporting hyperplane meeting a bounded convex set meet it in one point?

Regularity of convex sets in $\mathbb{R}^n$

Finding a not too slim triangulation with prescribed vertices on $\mathbb R^2$

Continuous section of support - Is it possible to map compact sets to measures supported on them?

Probability of traversing all other states and finally landing on one state

Is every conformal manifold equivalent to a flat one with cone singularities?

Intrinsic volumes of non-polyconvex, non-compact sets

Is Stoch enriched in Met?

Approximate homology of a large simplicial complex

Persistent homology stability results (query about Lipschitz functions)

The metric difficulty of unknotting unknots

When is perimeter continuous under Hausdorff convergence?

Morse theory for vector-valued functions

Coarea formula for measure of epsilon neighbourhood

How do small changes in a filtered complex affect the associated spectral sequence

Largest eigenvalue of product of orthogonal-projection rank-1 perturbation

Fundamental group under Gelfand duality

How much does the absolute value of an operator behave like an absolute value?

Getting Wasserstein closeness from a derivative estimate

Couplings on empirical distributions

Is every planar bounded $C^2$ domain finitely connected?

Algorithm for grouping tetrahedra from Voronoi diagram