User unknown (google) - MathOverflow

5,540

Reputation

1864 views

Registered User

Name
Member for	2 years
Seen	yesterday
Website
Location
Age

stats recent reputation favorites

votes newest views recent

71

125

votes

8

answers

5k

views

Two commuting mappings in the disk

gn.general-topology open-problem

may 14 at 11:22 Daniele Zuddas 808●2●9

85

97

votes

73

answers

12k

views

Not especially famous, long-open problems which anyone can understand

big-list open-problem open-problems-list

may 13 at 11:01 Santi Spadaro 666●4●6

23

54

votes

1

answer

3k

views

Nontrivial finite group with trivial group homologies?

gr.group-theory group-cohomology open-problem

feb 10 at 22:44 Dennis Sullivan 121●1●2

24

50

votes

7

answers

3k

views

Open project: Let’s compute the Fourier expansion of a non-solvable algebraic Maass form.

nt.number-theory computational-number-theo langlands-conjectures

jun 14 at 6:00 Chandan Singh Dalawat 11.5k●1●39●74

6

37

votes

0

answers

646

views

Local structure of rational varieties

ag.algebraic-geometry

jun 8 at 20:20 rita 4,439●1●9●24

19

35

votes

6

answers

2k

views

What do Weierstrass points look like?

ag.algebraic-geometry hyperbolic-geometry complex-geometry geometry

aug 24 at 11:11 David Singerman 61●1●1

24

33

votes

30

answers

4k

views

Fundamental problems whose solution seems completely out of reach [closed]

big-list reference-request open-problem open-problems-list

jul 3 at 15:54 Mohan 892●3●4

12

31

votes

1

answer

1k

views

Is the radical of an irreducible ideal irreducible?

ac.commutative-algebra

feb 13 12 at 7:46 Pham Hung Quy 1,163●1●11

14

30

votes

5

answers

1k

views

Surfaces in $\mathbb{P}^3$ with isolated singularities

ag.algebraic-geometry algebraic-surfaces birational-geometry

may 10 at 23:19 Johan 183●4

7

26

votes

0

answers

707

views

Example of a compact Kähler manifold with non-finitely generated canonical ring?

ag.algebraic-geometry complex-geometry cv.complex-variables dg.differential-geometry open-problem

feb 25 12 at 5:38 YangMills 3,350●10●16

13

26

votes

1

answer

669

views

What do loop groups and von Neumann algebras have to do with elliptic cohomology?

elliptic-cohomology at.algebraic-topology homotopy-theory

jul 6 at 19:00 André Henriques 14.9k●2●30●83

10

26

votes

1

answer

1k

views

Diameter of symmetric group

gr.group-theory

sep 24 at 18:30 Igor Pak 8,206●2●17●57

18

26

votes

4

answers

2k

views

Geometric meaning of Cohen-Macaulay schemes

ag.algebraic-geometry soft-question

dec 6 at 18:23 Sándor Kovács 23.8k●2●53●73

13

25

votes

1

answer

825

views

What is the relationship between motivic cohomology and the theory of motives?

motives motivic-cohomology ag.algebraic-geometry

jul 22 at 1:24 Makhalan Duff 3,827●5●36

11

25

votes

3

answers

1k

views

In which ways can the isogeny theorem fail for local fields?

nt.number-theory abelian-varieties

feb 18 11 at 15:53 fherzig 719●1●5●8