Top Questions

3 votes
2 answers
3k views

Is this formula expressing $\operatorname{erf} \left(\tfrac 1 {\sqrt 2}\right)$ as an infinite series already known?

16 votes
3 answers
850 views

Conjectures in the representation theory of the symmetric group

6 votes
4 answers
387 views

What is the $\inf$ and $\sup$ of the area of quadrilateral given its sides length?

10 votes
3 answers
858 views

What is the intuition behind applying the Mellin Transform to prime distribution?

12 votes
1 answer
475 views

Injective ring homomorphism from $\mathbb{Z}_p[[x,y]]$ to $\mathbb{Z}_p[[x]]$

2 votes
5 answers
408 views

Finding $\sum_i x_i$ given $\{\sum_i x_i^{2n}\}_{n\in \mathbb{N}}$

17 votes
1 answer
1k views

Can the Pythagorean Graph be finitely colored?

6 votes
1 answer
830 views

What is this huge generalization of the Modularity Theorem?

7 votes
1 answer
483 views

Suitable closed form for the A079501

7 votes
2 answers
773 views

What are the Nash equilibria of the “aim for the middle” game?

2 votes
2 answers
378 views

Are Chern classes always vertical?

4 votes
2 answers
218 views

A function that maps every perfect set to $\mathbb{R}$

5 votes
2 answers
354 views

Real-world examples of unweighted directed graphs

17 votes
2 answers
581 views

Etymology of “real numbers"

5 votes
1 answer
331 views

Endomorphisms of simple dualizable objects in a linear abelian monoidal categories

6 votes
2 answers
408 views

Asymptotic behavior of the "Cauchy square" series

6 votes
1 answer
251 views

Factoring through projective modules is an equivalence relation

5 votes
2 answers
301 views

Smallest eigenvalue of a certain Toeplitz Hermitian matrix

5 votes
2 answers
297 views

A version of Hilbert's Nullstellensatz for real zeros

3 votes
1 answer
376 views

Can we have an axiom that refers to itself and the prior axioms of the theory it is an axiom of?

9 votes
1 answer
220 views

Does the Atiyah-Hirzebruch spectral sequence for $E^\ast(X)$ collapse whenever $E$ is complex-oriented and $X$ has even cells?

4 votes
1 answer
259 views

Why is it not possible to define the necessity operator internally $\Box: \Omega \to \Omega$ in a topos?

3 votes
1 answer
448 views

Why not $\sf ZFC+[V=HOD]$?

6 votes
1 answer
256 views

Does a ring spectrum with even homotopy and even cells always have a polynomial algebra of homotopy groups?

5 votes
1 answer
250 views

Linking number and intersection number

5 votes
0 answers
2k views

Polynomial-time quantum algorithms for lattice problems (GapSVP, SIVP, LWE)

6 votes
1 answer
220 views

Consequences of imposing conditions on the restricted Yoneda embedding of a functor

6 votes
1 answer
209 views

Integrality of a quotient of Fermat numbers

3 votes
1 answer
192 views

Fibonacci and matrix modular exponentiation

6 votes
1 answer
141 views

Quiver and relations for a monoid related to Catalan numbers

2 votes
1 answer
131 views

Subset of $\mathbb N$ missing at least a class modulo each prime

5 votes
1 answer
165 views

Existence of a surface group ensures the existence of a $\pi_1$-injective immersed surface

5 votes
1 answer
201 views

Topology of windings on the two-torus

4 votes
1 answer
144 views

Isotopies of codimension-1 disks relative to boundary

6 votes
1 answer
178 views

Attempts to define a matrix exponential over (as much as possible) general fields

1 vote
2 answers
174 views

Topology of directed graph $G$ with non-singular adjacency matrix

4 votes
2 answers
172 views

Results of invertibility of a matrix involving the Szego kernel

1 vote
1 answer
214 views

Wick product of free fields and wave front sets in the sense of Lars Hörmander

4 votes
1 answer
211 views

Compactification of rigid-analytic varieties

3 votes
1 answer
209 views

Is Toeplitz operator on the Bergman space bounded iff its symbol is bounded?

1 vote
1 answer
152 views

Cardinality of maximal diverse families

4 votes
1 answer
179 views

Residual finiteness and a gluing problem

4 votes
1 answer
217 views

Homotopy coherence datum for composition of Becker-Gottlieb transfers

3 votes
2 answers
131 views

What are some good examples of spectral sequences which degenerate after the first nontrivial differential?

0 votes
1 answer
210 views

Relationship between quotient CW-complexes after attaching cells

3 votes
1 answer
208 views

Expectation on a Polish space

4 votes
1 answer
207 views

The number of irreducible characters of simple groups of Lie type

3 votes
2 answers
201 views

Unique "clique" of differences in $\mathbb{Z}/m\mathbb{Z}$


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