User Dmitrii Korshunov

20 votes

3 answers

1k views

Gromov-Hausdorff distance between p-adic integers.

asked Dec 1, 2011 at 12:22

17 votes

0 answers

340 views

Ado's theorem and the reduction to positive characteristic

asked Jul 31, 2023 at 2:53

11 votes

1 answer

802 views

Moduli space of germs of riemannian metrics

asked Jun 13, 2021 at 13:29

9 votes

0 answers

476 views

Does the intersection of middle third and middle half Cantor sets contain an irrational number?

asked May 17, 2023 at 21:53

8 votes

1 answer

237 views

Projections of compact real algebraic sets

asked Feb 14, 2022 at 3:39

7 votes

0 answers

201 views

Rings that are $K_0$ of finite groups

asked Aug 27, 2015 at 9:24

6 votes

0 answers

449 views

Local isometry of complete length spaces that is not a covering map

asked Mar 22, 2018 at 21:18

6 votes

1 answer

317 views

Bending surfaces in Riemannian manifolds

asked Aug 15, 2019 at 7:59

5 votes

0 answers

128 views

Algebraization of holomorphic functions of two variables

asked Apr 29, 2019 at 23:46

5 votes

1 answer

232 views

A non-Finsler metric on $\mathbb{R}^2$

asked Nov 29, 2020 at 19:09

5 votes

0 answers

74 views

Complexity and length

asked Jan 10 at 0:42

4 votes

1 answer

130 views

Characterization of convexity by connectedness of hyperplane sections

asked Jan 24 at 5:09

4 votes

2 answers

974 views

Diagrams consisting of triangles and squares

asked Mar 22, 2011 at 22:35

4 votes

1 answer

292 views

Bending the hemisphere

asked Feb 10, 2020 at 19:22

4 votes

0 answers

189 views

ENR spaces which group of homeomorphisms is not locally contractable

asked Oct 19, 2012 at 0:23

3 votes

1 answer

454 views

Spectrum of the sum of two general matrices

asked Jun 25, 2020 at 1:56

3 votes

0 answers

136 views

Naturality of geodesic flow

asked Jul 21, 2022 at 19:48

2 votes

0 answers

116 views

Integral geometric meaning of diameter

asked May 8, 2023 at 15:55

2 votes

0 answers

64 views

Decomposition length in the stable homeomorphism conjecture

asked Sep 5, 2023 at 3:29

2 votes

1 answer

68 views

Generic infinitesimal rigidity of polyhedra

asked Feb 22, 2022 at 2:44

2 votes

2 answers

176 views

An equivalence relation on knots similar to concordance

asked Mar 17, 2022 at 17:06

2 votes

1 answer

64 views

Reference request: Lie product formula for vector fields

asked Nov 5, 2019 at 13:29

1 vote

1 answer

114 views

Multiplication on cubic hypersurfaces and partially defined groups

asked Nov 15, 2017 at 12:29

1 vote

1 answer

71 views

Cross product of two infinitesimal bendings

asked May 10, 2022 at 22:40

1 vote

1 answer

522 views

Local diffeomorphisms, covering maps and smooth path lifting

asked Jul 18, 2021 at 15:27

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25 Questions

Gromov-Hausdorff distance between p-adic integers.

Ado's theorem and the reduction to positive characteristic

Moduli space of germs of riemannian metrics

Does the intersection of middle third and middle half Cantor sets contain an irrational number?

Projections of compact real algebraic sets

Rings that are $K_0$ of finite groups

Local isometry of complete length spaces that is not a covering map

Bending surfaces in Riemannian manifolds

Algebraization of holomorphic functions of two variables

A non-Finsler metric on $\mathbb{R}^2$

Complexity and length

Characterization of convexity by connectedness of hyperplane sections

Diagrams consisting of triangles and squares

Bending the hemisphere

ENR spaces which group of homeomorphisms is not locally contractable

Spectrum of the sum of two general matrices

Naturality of geodesic flow

Integral geometric meaning of diameter

Decomposition length in the stable homeomorphism conjecture

Generic infinitesimal rigidity of polyhedra

An equivalence relation on knots similar to concordance

Reference request: Lie product formula for vector fields

Multiplication on cubic hypersurfaces and partially defined groups

Cross product of two infinitesimal bendings

Local diffeomorphisms, covering maps and smooth path lifting