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Accepted answer and score of 40 or more. This badge can be awarded multiple times.
Awarded 944 times.
what is $\mathrm{Bun}(G)$?
Awarded 17 hours ago
Proof of "Possible new series for $\pi$" without use of physics
Awarded yesterday
Assuming the Collatz conjecture is false, what is known about the size of the false set?
Awarded Jun 21 at 17:06
How decreasing can a bijection $f:\mathbb{N}\to\mathbb{N}$ be?
Awarded Jun 16 at 17:12
Is $1/F$ Schwartz if $F$ is "reverse Schwartz"?
Awarded Jun 6 at 11:02
A proof of the salamander lemma without Mitchell's embedding theorem?
Awarded Jun 5 at 2:36
Why is conformal invariance only possible for massless theories?
Awarded May 21 at 3:09
Understanding the definition of the Lefschetz (pure effective) motive
Awarded May 19 at 6:33
What is the relationship between modular forms and Maass forms?
Awarded May 16 at 16:03
Is there any way to rewrite a partial differential equation using language of differential forms, tensors, etc?
Awarded May 14 at 19:21
Smooth vs regular vs non-singular
Awarded May 9 at 19:20
Does every series of hyperreal numbers converge to some hyperreal number?
Awarded May 7 at 19:08
Who wins two player sudoku?
Awarded May 7 at 3:36
Is the fundamental group functor a left-adjoint?
Awarded Apr 26 at 20:17
Applications of nonconstructive mathematics
Awarded Apr 17 at 12:18
A conjecture in Number Theory
Awarded Apr 15 at 16:06
Global character of ABC/Szpiro inequalities
Awarded Mar 29 at 23:50
What are some open problems in algebraic geometry?
Awarded Mar 28 at 15:17
Etale cohomology and l-adic Tate modules
Awarded Mar 24 at 4:11
Are all sets totally ordered ?
Awarded Mar 21 at 22:47
Isometry group of a homogeneous space
Awarded Mar 17 at 10:51
Are there proofs that you feel you did not "understand" for a long time?
Awarded Mar 14 at 22:42
Which unfoldings of the hypercube tile 3-space: How to check for isometric space-fillers?
Awarded Mar 12 at 21:21
Does there exist a graph with maximum degree 8, chromatic number 8, clique number 6?
Awarded Mar 4 at 11:47
Is every polynomial of the form $2x^{2n} -x^n +1$ irreducible over $\mathbb{Z}$?
Awarded Feb 18 at 18:26
Elementary Proof of Riemann-Roch for Compact Riemann Surfaces
Awarded Feb 17 at 1:50
How to write mathematics without typing?
Awarded Feb 12 at 1:05
What is a coalgebra intuitively?
Awarded Feb 2 at 23:42
Automatically solving olympiad geometry problems
Awarded Jan 21 at 0:50
Do we lose any solutions when applying separation of variables to partial differential equations?
Awarded Jan 19 at 10:08
Mark Hovey's open problems in the theory of model categories
Awarded Jan 18 at 13:05
The sets in mathematical logic
Awarded Jan 13 at 18:51
Requesting a referee's report on my paper from a math journal
Awarded Jan 13 at 15:34
Known and fixed gaps in the proof of the CFSG
Awarded Jan 9 at 2:02
What is the Krull dimension of the ring of holomorphic functions on a complex manifold?
Awarded Jan 3 at 17:25
Intuition for Picard-Lefschetz formula
Awarded Dec 24, 2023 at 16:41
Groups that do not exist
Awarded Dec 19, 2023 at 8:48
Wanted: Positivity certificate for the AM-GM inequality in low dimension
Awarded Dec 18, 2023 at 9:33
If $2^x $and $3^x$ are integers, must $x$ be as well?
Awarded Dec 14, 2023 at 9:56
Topological Characterisation of the real line.
Awarded Dec 12, 2023 at 0:25
What is the most "concrete-feeling" equivalent formulation of the Continuum Hypothesis that you can think of?
Awarded Dec 4, 2023 at 6:19
Which popular games have been studied mathematically?
Awarded Nov 29, 2023 at 23:27
What are the implications of the new quasi-polynomial time solution for the Graph Isomorphism problem?
Awarded Nov 29, 2023 at 23:27
How and when do I learn so much mathematics?
Awarded Nov 25, 2023 at 8:47
de Rham vs Dolbeault Cohomology
Awarded Nov 23, 2023 at 3:21
How do you *state* the Classification of finite simple groups?
Awarded Nov 21, 2023 at 8:19
Why do I need densities in order to integrate on a non-orientable manifold?
Awarded Nov 19, 2023 at 13:20
How do the compact Hausdorff topologies sit in the lattice of all topologies on a set?
Awarded Nov 17, 2023 at 12:46
Non-diagonalizable complex symmetric matrix
Awarded Nov 9, 2023 at 15:45
Most elementary proof showing that exponential growth wins against polynomial growth
Awarded Nov 7, 2023 at 15:45
A challenging (for me) limit calculation
Awarded Oct 25, 2023 at 17:56
Is this equivalent to RH - Riemann hypothesis?
Awarded Oct 9, 2023 at 7:34
What axioms are used to prove Gödel's Incompleteness Theorems?
Awarded Oct 6, 2023 at 16:56
Understanding the application of two inequalities?
Awarded Oct 6, 2023 at 8:28
Are semi-direct products categorical (co)limits?
Awarded Oct 5, 2023 at 0:51
Undecidability in Conway's Game of Life
Awarded Oct 1, 2023 at 5:25
Early stabilization in the homotopy groups of spheres
Awarded Sep 28, 2023 at 13:35
Why is Set, and not Rel, so ubiquitous in mathematics?
Awarded Sep 26, 2023 at 9:16
Are the inner automorphisms the only ones that extend to every overgroup?
Awarded Sep 24, 2023 at 6:25
What is the simplest proof that the density of coprime pairs does not go to zero?
Awarded Sep 14, 2023 at 13:48
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