User C.F.G

155 votes

54 answers

22k views

Old books you would like to have reprinted with high-quality typesetting

asked Dec 17, 2018 at 8:12

89 votes

14 answers

9k views

LaTeX tricks that save time in typesetting

asked Jan 3, 2019 at 6:08

58 votes

82 answers

18k views

Prominent non-mathematical work of mathematicians

asked Aug 20, 2020 at 15:04

30 votes

2 answers

5k views

What is the meaning of Text inside of AMS logo [closed]

asked Nov 6, 2019 at 15:21

22 votes

1 answer

3k views

What is so special about Chern's way of teaching?

asked Nov 3, 2021 at 21:17

18 votes

1 answer

935 views

Consequences of Gromov's Conjecture

asked Jul 2, 2020 at 8:41

16 votes

2 answers

2k views

Is the Gromov conjecture still open?

asked Oct 12, 2016 at 20:08

14 votes

2 answers

1k views

What are the important geometric-topological consequences of 4-dimensional version of Gauss-Bonnet-Chern theorem?

asked Aug 7, 2017 at 7:38

11 votes

1 answer

7k views

Geometric interpretation of horizontal and vertical lift of vector field

asked Jul 31, 2016 at 20:45

10 votes

1 answer

1k views

Why are faithful actions called faithful and who first called them faithful?

asked May 1, 2020 at 23:41

9 votes

1 answer

408 views

Almost Complex manifolds of constant curvature

asked Sep 2, 2017 at 13:12

8 votes

0 answers

409 views

What specifically is the gap in Aubin's argument about positive Ricci curvature that Paul Ehrlich alludes to?

asked Jul 8, 2022 at 18:45

7 votes

3 answers

698 views

Upper bound for chromatic number of graphs with $\omega(G)\leq\lfloor\frac{\Delta(G)+1}{2}\rfloor+1$

asked Oct 12, 2017 at 14:16

6 votes

1 answer

2k views

Relation between harmonic vector field and harmonic 1-form

asked May 3, 2016 at 18:51

6 votes

1 answer

229 views

Does $\pi_k(M)\neq 0$ implies $\operatorname{ind}(\gamma) < k$?

asked Jul 4, 2020 at 13:43

6 votes

1 answer

255 views

A metric has positive sectional curvature if and only if ${\rm Ric}_{ij} < \frac{r}{2}g_{ij}$

asked May 17, 2019 at 23:35

4 votes

1 answer

575 views

A question on Möbius strip and Jordan curve

asked May 3, 2018 at 12:13

4 votes

0 answers

421 views

What are your common strategies/remedies when your new theory/idea stuck in most cases?

asked Jan 15, 2022 at 21:44

4 votes

1 answer

211 views

Existence non-trivial parallel $p$-form implies non-triviality of $p$-th cohomology group using De Rham cohomology

asked Mar 18, 2021 at 19:45

4 votes

1 answer

334 views

Existence parallel vector fields and its effect on the topology of manifolds (Karp's Thesis)

asked Apr 17, 2021 at 16:12

4 votes

1 answer

797 views

Who first introduced the notion of Killing vector field?

asked Oct 5, 2016 at 14:01

4 votes

2 answers

1k views

When a Killing vector field on Riemannian manifold $(M,g)$ is gradient?

asked Sep 1, 2017 at 10:23

4 votes

2 answers

582 views

How to translate a graph coloring problem to algebraic or geometric language and solve it?

asked Jun 27, 2017 at 11:53

4 votes

1 answer

853 views

New edge coloring problem in graph theory

asked Oct 19, 2017 at 17:24

4 votes

1 answer

193 views

Two questions on "Table problem on $\Bbb S^2$"

asked Nov 6, 2017 at 12:43

3 votes

0 answers

239 views

About Riemann curvature tensor of local reflection

asked Mar 12, 2017 at 17:06

3 votes

1 answer

405 views

Can one find a Jordan curve which has exactly one inscribed rectangle?

asked Oct 28, 2017 at 9:47

3 votes

1 answer

161 views

Almost Hermitian manifolds of constant curvature

asked Sep 6, 2017 at 7:02

3 votes

1 answer

161 views

Distance relation among points in high-dimensional hypercubes

asked Sep 27, 2017 at 18:43

3 votes

0 answers

348 views

Euler-Lagrange equations for $p$-Harmonic vector fields

asked Jul 7, 2017 at 10:49

Stack Exchange Network

63 Questions

Old books you would like to have reprinted with high-quality typesetting

LaTeX tricks that save time in typesetting

Prominent non-mathematical work of mathematicians

What is the meaning of Text inside of AMS logo [closed]

What is so special about Chern's way of teaching?

Consequences of Gromov's Conjecture

Is the Gromov conjecture still open?

What are the important geometric-topological consequences of 4-dimensional version of Gauss-Bonnet-Chern theorem?

Geometric interpretation of horizontal and vertical lift of vector field

Why are faithful actions called faithful and who first called them faithful?

Almost Complex manifolds of constant curvature

What specifically is the gap in Aubin's argument about positive Ricci curvature that Paul Ehrlich alludes to?

Upper bound for chromatic number of graphs with $\omega(G)\leq\lfloor\frac{\Delta(G)+1}{2}\rfloor+1$

Relation between harmonic vector field and harmonic 1-form

Does $\pi_k(M)\neq 0$ implies $\operatorname{ind}(\gamma) < k$?

A metric has positive sectional curvature if and only if ${\rm Ric}_{ij} < \frac{r}{2}g_{ij}$

A question on Möbius strip and Jordan curve

What are your common strategies/remedies when your new theory/idea stuck in most cases?

Existence non-trivial parallel $p$-form implies non-triviality of $p$-th cohomology group using De Rham cohomology

Existence parallel vector fields and its effect on the topology of manifolds (Karp's Thesis)

Who first introduced the notion of Killing vector field?

When a Killing vector field on Riemannian manifold $(M,g)$ is gradient?

How to translate a graph coloring problem to algebraic or geometric language and solve it?

New edge coloring problem in graph theory

Two questions on "Table problem on $\Bbb S^2$"

About Riemann curvature tensor of local reflection

Can one find a Jordan curve which has exactly one inscribed rectangle?

Almost Hermitian manifolds of constant curvature

Distance relation among points in high-dimensional hypercubes

Euler-Lagrange equations for $p$-Harmonic vector fields