Skip to main content
MathOverflow

Teacher

 Teacher
Answer a question with score of 1 or more.
Awarded 15814 times.
Character-theoretic proofs of Burnside's theorem & Frobenius's theorem: conservation of difficulty?
Awarded Oct 3 at 18:55
Separability is an interpolation property
Awarded Oct 3 at 15:41
Neusis constructions
Awarded Oct 2 at 17:01
Is there a matrix that has the completely opposite effect of a Hadamard matrix?
Awarded Sep 30 at 8:47
Higher or lower?
Awarded Sep 29 at 15:37
K-types of a representation of the minimal Gelfand-Kirillov dimension
Awarded Sep 29 at 14:36
Natural topologies for the space of rational functions
Awarded Sep 29 at 2:42
Krull dimension in non-algebraically closed fields
Awarded Sep 28 at 13:12
Proving the graded structure of the tensor algebra from only the universal property
Awarded Sep 28 at 2:40
Why is there a connection between enumerative geometry and nonlinear waves?
Awarded Sep 27 at 22:22
Forwards Feynman–Kac formula
Awarded Sep 27 at 20:03
I want a smooth orthogonalization process
Awarded Sep 25 at 9:33
AD and simultaneous well-orderability principle
Awarded Sep 25 at 9:04
Unramified fppf cohomology
Awarded Sep 24 at 19:50
How to prove $\sum_{k=1}^{\frac{p-1}{2}}\frac{(-1)^k}{k}\sum_{i=\lfloor k/2\rfloor +1}^k\frac{1}{2i-1}\equiv 0\pmod{p}$?
Awarded Sep 23 at 14:45
Does an abelian variety $A$ have a model over a finite field if its $p$-divisible group $A[p^{\infty}]$ does?
Awarded Sep 22 at 13:35
For $\mathcal{L}^1$-a.e. $t\in\mathbf R$, is $n-1$ the Hausdorff dimension of level sets of a locally Lipschitz function $f:\mathbf R^n\to\mathbf R$?
Awarded Sep 22 at 10:00
What is the oldest open math problem outside of number theory?
Awarded Sep 20 at 9:05
What does keep you "doing what you do"?
Awarded Sep 20 at 9:05
Orbits under the automorphism group of projective space
Awarded Sep 20 at 0:12
Motivation and examples of parabolic manifolds
Awarded Sep 19 at 17:26
Intuition for the Picard group of cuspidal curve
Awarded Sep 19 at 13:34
Refined equidistribution for the periodic trajectories of Anosov flows?
Awarded Sep 18 at 12:18
Determine unknown matrix function of particular form from known points
Awarded Sep 18 at 8:04
Lumped mass matrices and bubble functions for tetrahedral elements
Awarded Sep 18 at 7:32
Convex set with no interior contained in hyperplane?
Awarded Sep 18 at 1:03
Upper bound total variation by Wasserstein distance for continuous distance
Awarded Sep 17 at 14:40
Enveloping algebra of affine Lie algebra is (not) noetherian
Awarded Sep 17 at 4:05
p cohomological dimension of a profinite group
Awarded Sep 15 at 20:54
Equivalence of fractional Sobolev space defined through Gagliardo norm and interpolation; dependence on the domain
Awarded Sep 15 at 4:46
(post deleted or otherwise unavailable)
Awarded Sep 15 at 0:34
Minimizing quadratic objective under orthogonality constraints
Awarded Sep 14 at 14:40
Bounding distance to an intersection of semialgebraic sets
Awarded Sep 14 at 12:45
Is there a theorem showing that de Rham homology is isomorphic to singular homology?
Awarded Sep 13 at 11:46
Boundary regularity for elliptic PDE in Lipschitz domains
Awarded Sep 13 at 7:12
Optimal 8-vertex isoperimetric polyhedron?
Awarded Sep 12 at 23:57
Finite groups with the same character table
Awarded Sep 12 at 21:14
Example of two dinatural transformations between finite categories that do not compose
Awarded Sep 12 at 19:40
A Collatz-like function that bifurcates on primes
Awarded Sep 11 at 22:56
Sum of $X_k$ with $\mathbb{P}(X_k=\pm 1) = 1/2\pm 1/(2\sqrt{k})$
Awarded Sep 11 at 11:51
Behavior of ODE with time : Does not cross boundary
Awarded Sep 11 at 10:04
An estimate for $|\lambda^n-1|$ for $|\lambda|=1$ which is not a root of unity
Awarded Sep 10 at 7:43
Finding an overtwisted disk in a contact surgery diagram
Awarded Sep 10 at 7:34
Weakly compact characterization
Awarded Sep 10 at 5:31
Prove the orthogonality of vector spherical harmonics
Awarded Sep 10 at 2:02
Chudnovsky formula vs. Machin type formulae for calculating $\pi$
Awarded Sep 9 at 17:10
Essential reads in the philosophy of mathematics and set theory
Awarded Sep 9 at 1:16
Tensor product of a DGA and an $A_\infty$ algebra
Awarded Sep 8 at 4:48
Is there a nice criterion for when the splitting fields of two irreducible polynomials are equal?
Awarded Sep 7 at 14:46
Which great mathematicians had great political commitments?
Awarded Sep 6 at 22:08
Chudnovsky formula vs. Machin type formulae for calculating $\pi$
Awarded Sep 5 at 18:46
A correspondence between pairs of isogenies and representation numbers
Awarded Sep 5 at 13:21
$\ell$- vs. $p$-adic and de Rham vs. Betti in the geometric Langlands correspondence
Awarded Sep 5 at 0:05
Flexes and projective equivalence of smooth cubics
Awarded Sep 4 at 19:26
Recent research on polynomial identities
Awarded Sep 4 at 3:04
Decomposable maps of half-smash products
Awarded Sep 3 at 12:01
Distinguishing the Besov and Triebel-Lizorkin spaces
Awarded Sep 3 at 7:02
Why are two "random" vectors in $\mathbb R^n$ approximately orthogonal for large $n$?
Awarded Sep 2 at 13:18
Has Apéry's proof of the irrationality of $\zeta(3)$ ever been used to prove the irrationality of other constants?
Awarded Sep 1 at 1:21
How to find ICM talks?
Awarded Sep 1 at 0:46
1 2
3
4 5
…
264