MathOverflow is a question and answer site for professional mathematicians. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Top Questions

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 $i$?

1 vote
0 answers
64 views

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

3 votes
1 answer
111 views

Psychological test for Euclidean geometry

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?

-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
46 views

Commutative/ symmetric second covariant derivative

1 vote
1 answer
88 views

Two spectral sequences arising from a simplicial spectrum

0 votes
0 answers
160 views

Is the integer factorization into prime numbers normally distributed?

0 votes
0 answers
24 views

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

0 votes
0 answers
111 views

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

3 votes
0 answers
132 views

What exactly is a Tannakian subcategory?

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?

2 votes
1 answer
87 views

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

0 votes
0 answers
21 views

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

5 votes
2 answers
198 views

How much Dependent Choice is provable in $Z_2$? And what about Projective Determinacy?

2 votes
0 answers
100 views

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

17 votes
1 answer
989 views

Is this an instance of the snake lemma?

2 votes
0 answers
77 views

Trace class operators

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?

23 votes
1 answer
1k views

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

0 votes
0 answers
172 views

On fifth powers forming a Sidon set

1 vote
0 answers
116 views

Infinity stacks

0 votes
0 answers
113 views

Solve NP-hard type problems with linear programming

4 votes
0 answers
153 views

Is the Taylor map continuous?

4 votes
0 answers
100 views

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

-3 votes
0 answers
57 views

Permutations history [closed]

-1 votes
0 answers
59 views

Reversing heat transfer with respect to time

-3 votes
0 answers
109 views

Extended dominated convergence theorem in Kallenbergs book [closed]

-2 votes
0 answers
39 views

Difference between linear discriminant analysis and Fisher discriminant analysis

0 votes
1 answer
179 views

Is there any use of logarithmic derivatives of modular forms?

9 votes
1 answer
286 views

Where does the definition of ($\infty$-)groupoid cardinality come from?

-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?

2 votes
0 answers
39 views

From exact triangles in the stable category of maximal Cohen--Macaulay modules to short exact sequences

-1 votes
0 answers
62 views

Weak derivative of $|u|^s$ $(s>1)$ [migrated]

4 votes
0 answers
99 views

Has anyone studied factoring as a CO-product?

0 votes
1 answer
89 views

The sequence has a stationary accumulation point

3 votes
2 answers
121 views

Adjunctions and inverse limits of derived categories

6 votes
1 answer
508 views

do all two manifolds admit a three-colorable triangulation?

1 vote
1 answer
312 views

Is the Ordering Principle equivalent to a selection principle?

2 votes
0 answers
77 views

A property of the Riemannian metric on the symmetric space $X_\textsf{d}=\textsf{SL}(d,\Bbb R)/\textsf{SO}(d)$

5 votes
0 answers
105 views

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

3 votes
0 answers
72 views

Smallest dominating set


Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.