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Top Questions

3 votes
2 answers
121 views

Adjunctions and inverse limits of derived categories

0 votes
0 answers
22 views

Is $\sum\limits_{k=1}^nk^i=S_3(n)\times\frac{P_{i-3}(n)}{N_i}$ for odd $i>1,\sum\limits_{k=1}^nk^i=S_2(n)\times\frac{P_{i-2}'(n)}{N_i}$ for even $i$?

0 votes
0 answers
10 views

Comparing the Stacks Project Homotopy limit with limits in the $\infty$-category

1 vote
0 answers
64 views

Show me that I have not simplified the proof of the Adian-Rabin theorem

2 votes
1 answer
437 views

Is this lower bound on the singular values of the sum of two matrices correct?

2 votes
1 answer
199 views

Is the Fortissimo space on discrete $\omega_1$ radial?

0 votes
0 answers
160 views

Is the integer factorization into prime numbers normally distributed?

0 votes
0 answers
20 views

Estimate for the operator $A A_D^{-1}$

-1 votes
1 answer
63 views

Why do we define independence for zero-probability events?

3 votes
1 answer
111 views

Psychological test for Euclidean geometry

3 votes
1 answer
82 views

Lower estimate on sectional curvature of the boundary

0 votes
0 answers
46 views

Commutative/ symmetric second covariant derivative

-1 votes
0 answers
49 views

Possibility of upper bounding $\|f\|_{L^2}$ by the weighted $L^2$ norm of its Laplace transform

0 votes
0 answers
24 views

Connection of eigenspace of finite Hilbert matrix and its continuous operator counterpart

13 votes
1 answer
360 views

Four new series for $\pi$ and related identities involving harmonic numbers

0 votes
0 answers
111 views

Does there exist an $L$-function for any subset of $\mathbb{N}$?

1 vote
1 answer
88 views

Two spectral sequences arising from a simplicial spectrum

0 votes
0 answers
172 views

On fifth powers forming a Sidon set

0 votes
0 answers
21 views

Lattice not contained in any connected subgroup is not contained in any positive dimensional subgroup

6 votes
3 answers
660 views

A cubic equation, and integers of the form $a^2+32b^2$

2 votes
0 answers
100 views

Computing the Dieudonné module of $\mu_p$ from Fontaine's Witt Covector

5 votes
0 answers
105 views

Expressing an invertible sparse matrix as a product of few elementary matrices

1 vote
0 answers
63 views

How does the behaviour of a hyperderived functor of many variables change if you use $\prod$-totalisation instead of $\oplus$-totalisation?

3 votes
0 answers
132 views

What exactly is a Tannakian subcategory?

0 votes
0 answers
113 views

Solve NP-hard type problems with linear programming

-1 votes
0 answers
88 views

Maximizing a function involving minimums with variable parameters

4 votes
1 answer
240 views

Is there an elliptic curve analogue to the 4-term exact sequence defining the unit and class group of a number field?

4 votes
1 answer
158 views

Local triviality of torsors for relative reductive groups

2 votes
1 answer
87 views

Does $L^1$ boundedness and convergence in probability imply convergence in probability of the Cesaro sums?

12 votes
2 answers
578 views

The mysterious significance of local subgroups in finite group theory

4 votes
0 answers
153 views

Is the Taylor map continuous?

3 votes
0 answers
57 views

Do uniquely Hamiltonian graphs have cycles of a sufficiently long length?

3 votes
0 answers
46 views

$R$-recursion for the A249833 (similar to A235129)

0 votes
0 answers
44 views

Is monotonicity redundant in this definition of Tarskian logics?

5 votes
2 answers
757 views

How to derive from Gauss's results on the volume of hyperbolic orthoscheme tetrahedron the formula of Bolyai?

2 votes
0 answers
77 views

Trace class operators

-2 votes
0 answers
39 views

Difference between linear discriminant analysis and Fisher discriminant analysis

23 votes
1 answer
1k views

Is every real number in [0,1] a product of three (or more) Cantor set's numbers?

7 votes
1 answer
7k views

Upper bound on largest eigenvalue of a real symmetric $n \times n$ matrix with all main diagonal entries positive, everywhere else nonpositive

-3 votes
0 answers
109 views

Extended dominated convergence theorem in Kallenbergs book [closed]

2 votes
1 answer
558 views

Motivation and examples of parabolic manifolds

-3 votes
0 answers
57 views

Permutations history [closed]

23 votes
4 answers
3k views

Set theoretical multiverse and truths

1 vote
0 answers
116 views

Infinity stacks

4 votes
0 answers
100 views

About a formula in Lawrence-Venkatesh's proof on Mordell conjecture


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