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Top Questions

2 votes
1 answer
43 views

Extensions of a simple group by an elementary abelian $p$-group

0 votes
0 answers
13 views

On an extension operator

0 votes
0 answers
10 views

Explicit computation of hyper Ext in terms of the homologies of the input chain complexes

8 votes
0 answers
89 views

Homotopy type of Diff(ℝP³)

2 votes
1 answer
55 views

Is the orbit foliation of the Weyl chamber flow Riemannian?

0 votes
0 answers
12 views

Error estimation for numeric quadrature on an $n$-simplex

0 votes
1 answer
254 views

How to calculate the probability of 2 events happening in time series under only cdf information?

10 votes
2 answers
382 views

Gromov hyperbolicity constant vs. Gromov-Hausdorff distance to a tree

52 votes
3 answers
4k views

Relaxed Collatz 3x+1 conjecture

5 votes
0 answers
232 views

How much condensed mathematics can be founded on finite order arithmetic (or ETCS) instead of ZFC?

0 votes
0 answers
111 views

Rank reducing shift of a Galois radius

5 votes
1 answer
147 views

Spectrum of the complex harmonic oscilllator

1 vote
0 answers
207 views

Functional equation $f(x*y) = f(f(x)*f(y))$

4 votes
1 answer
226 views

Maximal length of trajectories in billiard

8 votes
4 answers
1k views

What can be preserved in mathematics if all constructions are carried out in ZF?

3 votes
1 answer
81 views

Compactified Jacobian of a rational curve whose normalization is a set-theoretic bijection

3 votes
0 answers
41 views

D-modules on singular varieties; forgetful functors, and t-structures

1 vote
1 answer
35 views

Induced map in k-theory by an involution

0 votes
0 answers
44 views

For a vector field $f$ and a measure $\mu$, does conservativity $\mu$-almost everywhere have a sense?

6 votes
1 answer
129 views

Practical consequences of the geometric cobordism hypothesis

0 votes
0 answers
98 views

Show $p\nmid k!+1$

5 votes
0 answers
122 views
+200

Is this cardinal characteristic trivial? (Number of strategies needed to guarantee at least one win)

1 vote
0 answers
60 views

Limit of alternating sum of factorial moments which diverge

1 vote
1 answer
23 views

What condition on random matrix can preserve sub-Gaussian property?

0 votes
0 answers
26 views

Quantifying "gap" between the $x_i$ when it comes to maximizing $x^TAx$ over simplex for blockwise matrix?

1 vote
2 answers
117 views

Question about the Kähler structure on generic coadjoint orbits

1 vote
1 answer
183 views

How fast does this Gaussian random walk move away from the origin?

3 votes
0 answers
98 views

Can the Banach-Tarski paradox or Tarski's circle-squaring problem be done with hinges?

1 vote
0 answers
50 views

How does the trace map affect modular forms modulo $p$?

2 votes
2 answers
184 views

Reference where the Siegel-Walfisz theorem for the Möbius function is proved

6 votes
2 answers
764 views

Unique equilibrium states for systems without specification

9 votes
2 answers
172 views

Function as sum of distances over a connected, compact metric space

12 votes
2 answers
416 views

Laurent series in several complex variables

3 votes
0 answers
3k views

Automorphisms of the L-function associated to an elliptic $\mathbb{Q}$-curve

1 vote
1 answer
45 views

Library/Database of parametric polynomial systems

0 votes
0 answers
59 views

Difference of a curve with itself

1 vote
1 answer
77 views

$n^2$-Grid $3n$-Coloring Game: Can we color a n-square grid with 3n colors s. t. we can't select n colors to get an histogram with $\Theta(n^2)$ area?

0 votes
0 answers
26 views

WLLN for bootstrap means of stationary ergodic processes?

6 votes
0 answers
72 views

Non-recurrent points of $F(a,b)=(b,ba)$ in a compact metric group $G$

0 votes
0 answers
68 views

Relation between sieve wheel and Sundaram sieve

6 votes
2 answers
155 views

How does one prove the consistency of $\mathrm{PA}$ in $\mathrm{Z_2}$?

2 votes
3 answers
147 views

Solutions to $(a^c-b^c)+m(r^c-s^c)=0$ in integers

2 votes
0 answers
61 views

Square-and-equilateral-triangle aperiodic tiling with $\leq 4$ prototiles?

5 votes
2 answers
263 views

What is the name for a point that is periodic to within $\varepsilon$?

11 votes
2 answers
436 views

sSet-enriched categories, quasi-categories and the model-independent theory

3 votes
0 answers
37 views

Properties of non-integer powers of the Hodge Laplacian

1 vote
0 answers
16 views

Dissection of polygons that preserve boundaries


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