User XIII

14 votes

0 answers

312 views

An unpublished paper of Thurston about diffeomorphism groups

asked Nov 2, 2019 at 21:24

14 votes

1 answer

918 views

Was Cantor aware of Lebesgue theory of integration?

asked Oct 16, 2020 at 21:59

7 votes

2 answers

1k views

Bohr compactification as a topological compactification

asked Dec 18, 2017 at 18:47

7 votes

1 answer

494 views

Carleson's lectures at UCLA

asked May 5, 2023 at 16:19

5 votes

1 answer

500 views

Is every set with finite $\mathcal{H}^{n-1}$ measure a set of locally finite perimeter?

asked Apr 7, 2022 at 12:19

4 votes

2 answers

522 views

The solution of Poisson equation and the distance function from the boundary

asked Jan 6, 2021 at 9:42

3 votes

1 answer

376 views

Hausdorff measure of intersection of a ball and a set in $\mathbb {R} ^ n$

asked Jan 23, 2019 at 10:56

3 votes

0 answers

209 views

Singular integral operators and PDEs

asked Feb 2, 2019 at 20:28

2 votes

0 answers

159 views

What is the boundary of the set $\{ x : dist (x ,\partial \Omega) > \alpha \}$ for a domain $\Omega$?

asked Jan 20, 2019 at 17:04

1 vote

0 answers

232 views

Volume-preserving diffeomorphism group of ball $\mathbb{D}^n$

asked Oct 18, 2019 at 8:59

0 votes

0 answers

209 views

Distance function to the boundary and Harnack inequality

asked May 27, 2019 at 18:33

0 votes

0 answers

38 views

A general rule for approximating the perimeter of a set with finite perimeter in terms of the volume

asked Nov 27 at 12:51

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12 Questions

An unpublished paper of Thurston about diffeomorphism groups

Was Cantor aware of Lebesgue theory of integration?

Bohr compactification as a topological compactification

Carleson's lectures at UCLA

Is every set with finite $\mathcal{H}^{n-1}$ measure a set of locally finite perimeter?

The solution of Poisson equation and the distance function from the boundary

Hausdorff measure of intersection of a ball and a set in $\mathbb {R} ^ n$

Singular integral operators and PDEs

What is the boundary of the set $\{ x : dist (x ,\partial \Omega) > \alpha \}$ for a domain $\Omega$?

Volume-preserving diffeomorphism group of ball $\mathbb{D}^n$

Distance function to the boundary and Harnack inequality

A general rule for approximating the perimeter of a set with finite perimeter in terms of the volume