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0 answers
169 votes
10k views
77 bookmarks
Why polynomials with coefficients $0,1$ like to have only factors with $0,1$ coefficients?
13 answers
97 votes
79k views
73 bookmarks
Sum of 'the first k' binomial coefficients for fixed n
9 answers
60 votes
21k views
64 bookmarks
What are some important but still unsolved problems in mathematical logic?
5 answers
54 votes
2k views
18 bookmarks
Unusual symmetries of the Cayley-Menger determinant for the volume of tetrahedra
2 answers
32 votes
2k views
21 bookmarks
Shimura-Taniyama-Weil VS Grothendieck's dessins
6 answers
31 votes
4k views
22 bookmarks
Applications of Rademacher's Theorem
4 answers
31 votes
4k views
13 bookmarks
Is there any theory why (for Bitcoin) the discrete logarithm problem is so hard to solve?
1 answers
30 votes
2k views
14 bookmarks
Navigating Z/pZ
9 answers
28 votes
4k views
13 bookmarks
Can breadth hurt a job candidate?
2 answers
25 votes
711 views
7 bookmarks
Algebraic graph invariant $\mu(G)$ which links Four-Color-Theorem with Schrödinger operators: further topological characterizations of graphs?
4 answers
25 votes
2k views
6 bookmarks
What can be proven in Peano arithmetic but not Heyting arithmetic?
3 answers
24 votes
3k views
15 bookmarks
Roots of permutations
3 answers
24 votes
1k views
13 bookmarks
Is the Ford-Fulkerson algorithm a tropical rational function?
2 answers
24 votes
755 views
12 bookmarks
Simple conjecture about rational orthogonal matrices and lattices
2 answers
23 votes
1k views
7 bookmarks
What is the complexity of this problem?
2 answers
21 votes
1k views
8 bookmarks
A new combinatorial property for the character table of a finite group?
2 answers
20 votes
2k views
8 bookmarks
Is it possible to constructively prove that every quaternion has a square root?
4 answers
19 votes
3k views
11 bookmarks
Can you determine whether a graph is the 1-skeleton of a polytope?
5 answers
18 votes
4k views
10 bookmarks
Which Diophantine equations can be solved using continued fractions?
2 answers
18 votes
1k views
8 bookmarks
The Riemann zeta function and Haar measure on the profinite integers
1 answers
18 votes
3k views
9 bookmarks
Using Fisher Information to bound KL divergence
1 answers
18 votes
677 views
5 bookmarks
Banach-Mazur distance between the cube and the octahedron
1 answers
17 votes
428 views
4 bookmarks
Lens spaces and generalized Petersen graphs
3 answers
17 votes
2k views
7 bookmarks
Entropy and total variation distance
2 answers
17 votes
548 views
3 bookmarks
Geometric/combinatorial depiction of algebraic identity?
2 answers
16 votes
2k views
11 bookmarks
Greatest common divisor of algebraic integers
4 answers
15 votes
1k views
6 bookmarks
Usage of étale cohomology in algebraic geometry
0 answers
14 votes
244 views
2 bookmarks
Polytopes with few vertices and few facets
0 answers
12 votes
312 views
4 bookmarks
More mysterious properties of Gram matrix
2 answers
11 votes
533 views
3 bookmarks
Classification of algebras of finite global dimension via determinants of certain 0-1-matrices