MathOverflow

0

votes

1

answer

209

views

Conjecture: “Neretin polynomials” for a normalized Schwarzian have integer coefficients

polynomials

4m ago darij grinberg 10.3k●1●19●58

2

votes

1

answer

52

views

Solving a system of equations/inequalities that have trigonometric functions on the left-hand side

30m ago SCL 21●1

-1

votes

0

answers

36

views

Set theory injective/surjective functions [closed]

set-theory

47m ago John Carlson 1

2

votes

2

answers

184

views

Kolmogorov’s example of a measurable function not (generally) differentiable

reference-request measure-theory

51m ago Raymond Manzoni 106●1

2

votes

1

answer

230

views

Vanishing associated to a resolution of singularities

ag.algebraic-geometry singularity-theory resolution-of-singulariti intersection-theory

54m ago David Steinberg 678●1●4●14

0

votes

1

answer

116

views

Exterior Product of module sheaves

ag.algebraic-geometry

1h ago Veen 285●4

1

vote

0

answers

74

views

Defining $\mathbb{Z}$ in $\mathbb{Q}$

model-theory nt.number-theory

1h ago Ali Bleybel 413●1●1●8

3

votes

1

answer

37

views

Multi-dimensional moment problem

real-analysis measure-theory orthogonal-polynomials

1h ago Marko Budisic 71●2●5

1

vote

1

answer

55

views

Graph Coloring - searching for some interesting problems

graph-theory graph-colorings

1h ago Joseph O'Rourke 26.6k●1●27●132

4

votes

1

answer

63

views

Generalized widths and reverse Urysohn inequalities

convexity convex-geometry isoperimetry mg.metric-geometry harmonic-analysis

2h ago Joseph O'Rourke 26.6k●1●27●132

7

votes

1

answer

281

views

Density in van der Waerden’s theorem

co.combinatorics nt.number-theory

2h ago MathOverflow♦ 1●2●3

21

votes

2

answers

309

views

Bodies of constant width?

discrete-geometry combinatorial-geometry convex-polytopes

2h ago Joseph O'Rourke 26.6k●1●27●132

0

votes

0

answers

43

views

Distribution algebras and loop algebras

rt.representation-theory lie-algebras

2h ago Chris 289●7

-1

votes

1

answer

70

views

Upper Limits In Vietoris Topology

at.algebraic-topology gt.geometric-topology

2h ago zeno_mechanik 25●4

4

votes

2

answers

96

views

A flag complex is contractible iff the underlying graph is…?

graph-theory co.combinatorics at.algebraic-topology homotopy-theory

2h ago jc 2,698●6●18

3

votes

0

answers

88

views

What is the relation between L. Lafforgue and Frenkel-Gaitsgory-Vilonen results on Langlands correspondence ?

ag.algebraic-geometry rt.representation-theory langlands-conjectures geometric-langlands

3h ago Alexander Chervov 1,520●5●12

3

votes

0

answers

54

views

When can I assure that the representation theory of a PROP is faithful?

ct.category-theory operads universal-algebra

3h ago Theo Johnson-Freyd 17.9k●1●16●86

1

vote

1

answer

51

views

Continuous family of Markov chains

pr.probability markov-chains linear-algebra

4h ago Anthony Quas 3,142●5●17

0

votes

0

answers

100

views

Given an permutation in S8 called “a” , how to find a^14 ? [closed]

tag-removed

4h ago Qiaochu Yuan 31.2k●1●101●250

0

votes

1

answer

34

views

Lower bound on sum of independent random variables

pr.probability

4h ago Ori Gurel-Gurevich 2,842●1●5●14

0

votes

1

answer

63

views

Counting the number of subgraphs in a given labeled tree

co.combinatorics

4h ago Paul Wollan 11●1

6

votes

3

answers

507

views

Homology theory constructed in a homotopy-invariant way

higher-category-theory homological-algebra homotopy-theory homology at.algebraic-topology

4h ago Ronnie Brown 1,668●9●8

0

votes

1

answer

91

views

Hamming graphs and power series

graph-theory power-series coding-theory

5h ago Gerhard Paseman 308●3●4

2

votes

2

answers

201

views

Separation axioms

separation-axioms gn.general-topology

5h ago Qiaochu Yuan 31.2k●1●101●250

0

votes

0

answers

68

views

Hamming graphs and power series [closed]

graph-theory power-series coding-theory

5h ago Michele 93●3

2

votes

0

answers

110

views

Measure Theoretic view of Hardy Littlewood Circle Method

harmonic-analysis analytic-number-theory measure-theory

6h ago neepa maitra 21●2

2

votes

1

answer

106

views

Convergence of the summation 1/p^(1+iy) (over all primes p with y a nonzero real number)

zeta-functions prime-numbers complex-analysis

6h ago Johan Andersson 771●4●5

0

votes

0

answers

81

views

Distribution of infinity-normed random vector

pr.probability st.statistics

6h ago Christian Rohlfing 11●1

2

votes

1

answer

178

views

Defining topological spaces with the notion of continuous path

at.algebraic-topology

6h ago Mike Shulman 11.7k●13●51

11

votes

3

answers

710

views

Is every algebraic space the quotient of a scheme by a finite group?

ag.algebraic-geometry stacks algebraic-spaces

6h ago Chris Schommer-Pries 8,607●1●12●48

7

votes

1

answer

349

views

Existence of maximal totally ramified extensions of an arbitrary CDVF

fields valuation-theory nt.number-theory

7h ago IPies 3

9

votes

1

answer

92

views

Heegaard splitting of covering hyperbolic manifold.

gt.geometric-topology 3-manifolds at.algebraic-topology

7h ago Michael Siler 151●3

0

votes

0

answers

55

views

Problem about the sum of independent exponential variable

pr.probability

7h ago Fan Zhang 49●5

4

votes

2

answers

297

views

Best citations database

citations

8h ago Konrad Waldorf 1,096●9●13

0

votes

0

answers

100

views

coordinate geometry [closed]

tag-removed

8h ago Martin Brandenburg 18.6k●22●81

36

votes

5

answers

3k

views

Decidability of chess on an infinite board

combinatorial-game-theory lo.logic chess

8h ago Joel David Hamkins 51.7k●4●116●243

5

votes

5

answers

512

views

Impossible Heronian Triangles (Ratio of 2 Sides)

triangles diophantine-equations ag.algebraic-geometry elliptic-curves

8h ago Bob 53●4

1

vote

2

answers

167

views

Metric Connections on a Lie Group

lie-groups riemannian-geometry

9h ago Peter Dalakov 398●1●5

2

votes

0

answers

49

views

Homotopic morphisms between curved A-infinity algebras

qa.quantum-algebra ag.algebraic-geometry a-infinity-algebras noncommutative-geometry

9h ago Ed Segal 220●5

0

votes

1

answer

64

views

Combinatoric problem with the development of intersection of union of events

co.combinatorics

9h ago Srilakshmi 31●4

2

votes

2

answers

273

views

About maximal invariant statistics on a group family

st.statistics

10h ago MathOverflow♦ 1●2●3

1

vote

2

answers

58

views

Find most densely located K points among N (N>K) points in two dimension

algorithms

10h ago Joseph O'Rourke 26.6k●1●27●132

1

vote

1

answer

66

views

Turing code numbers and c.e. sets.

computability-theory

10h ago Andrej Bauer 6,883●14●40

5

votes

1

answer

174

views

Non congruence subgroups containing congruence subgroups.

fuchsian-groups riemann-surfaces modular-forms automorphic-forms

11h ago pm 2,895●5●15

14

votes

3

answers

974

views

Which almost complex manifolds admit a complex structure?

cv.complex-variables complex-geometry dg.differential-geometry

12h ago cmath3.14159 65●5

5

votes

0

answers

57

views

Smoothability of compact Alexandrov surfaces with curvature bounded from below.

dg.differential-geometry mg.metric-geometry alexandrov-geometry

12h ago Thomas Richard 451●2●7

1

vote

0

answers

97

views

Coproducts of modules over an algebraic monad

ct.category-theory monads f-1

12h ago Martin Brandenburg 18.6k●22●81

3

votes

0

answers

152

views

Path integral and harmonic oscillator

pr.probability mp.mathematical-physics

12h ago shu 95●5

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