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Dirk's user avatar
Dirk's user avatar
Dirk
  • Member for 13 years, 6 months
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33 votes
8 answers
8k views

When (if ever) disclose your identity as a reviewer?

31 votes
1 answer
4k views

Determinants of binary matrices

23 votes
6 answers
10k views

Metrization of weak convergence of signed measures

20 votes
1 answer
25k views

When does the $4\times 4$ 'false Sarrus rule' compute the determinant correctly?

19 votes
4 answers
8k views

Unique limits of sequences plus what implies Hausdorff?

16 votes
4 answers
2k views

Does "taking the dual space" stabilize?

14 votes
2 answers
2k views

What is the maximum diameter of $N$ steps of a random walk?

14 votes
1 answer
954 views

Area of the minimal surface of a non-planar quadrilateral in 3d

12 votes
0 answers
7k views

Otelbayev's approach to Navier-Stokes [closed]

11 votes
1 answer
1k views

Geometric measures different from Hausdorff

8 votes
1 answer
591 views

Completion of spaces of measures w.r.t. weak norms

8 votes
0 answers
144 views

How many facets can $\{\|D^T x\|_1\leq 1\}$ have?

8 votes
2 answers
531 views

Is taking the positive part of a measure a continuous operation?

8 votes
1 answer
184 views

How do sets with unit fractional Hausdorff measure of dimension $>1$ look like?

6 votes
1 answer
487 views

Polynomials with prescribed points to match prescribed bounds

5 votes
1 answer
417 views

Complete folds and one cut

4 votes
2 answers
191 views

Is the prox-residual monotone?

3 votes
0 answers
499 views

Directional derivates and unique subgradients

3 votes
2 answers
1k views

Do you know this form of an uncertainty principle?

2 votes
1 answer
331 views

Estimates of eigenvalues

1 vote
2 answers
547 views

Does an $n$ dimensional subspace intersect the $n$-facets of the unit cube?

1 vote
2 answers
112 views

Positive part of "outer sums" of measures

1 vote
1 answer
110 views

Calculating $\mathbb{E}\left(\tfrac{XX^T}{\|AX\|^2}\right)$ for isotropic random vectors $X$

1 vote
0 answers
193 views

Lower semicontinuity of Bregman distances/divergences

0 votes
0 answers
167 views

The derived representation and $H_\pi^\infty$