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Examples of finite groups with "good" bijection(s) between conjugacy classes and irreducible representations?

Awarded 14 hours ago

Alexander Chervov

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What is the intuition for the trace norm (nuclear norm)?

Awarded 2 days ago

Kall

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Could groups be used instead of sets as a foundation of mathematics?

Awarded Sep 29 at 15:51

Oscar Cunningham

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Topology of SU(3)

Awarded Sep 26 at 16:27

R.S.

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Voevodsky's counterexample to the existence of a motivic t-structure

Awarded Sep 25 at 14:34

plm

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Cohomology of Structure Sheaves: Algebraic, Constructible and more

Awarded Sep 23 at 8:33

Justin Curry

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Definition of "finite group of Lie type"?

Awarded Sep 20 at 15:45

Jim Humphreys

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Large cardinal axioms and Grothendieck universes

Awarded Sep 18 at 5:55

algori

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What exactly does the weight filtration in Hodge theory have to do with the Weil conjectures?

Awarded Sep 4 at 2:46

Akhil Mathew

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Are all zeros of $\Gamma(s) \pm \Gamma(1-s)$ on a line with real part = $\frac12$ ?

Awarded Sep 1 at 17:56

Agno

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Higher Topos Theory- what's the moral?

Awarded Aug 20 at 1:35

Michael Klyachman

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Top-down mathematics, or "Where it all begins"

Awarded Aug 20 at 0:11

steve

4475 silver badges6 bronze badges

Topological Characterisation of the real line.

Awarded Aug 15 at 7:40

Suryateja

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What did Ramanujan get wrong?

Awarded Aug 10 at 9:41

StanOverflow

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Invariant polynomials under a group action (hidden GIT)

Awarded Aug 9 at 21:43

babubba

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Is it known that the ring of periods is not a field?

Awarded Aug 6 at 11:52

Franz Lemmermeyer

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Class field theory - a "dead end"?

Awarded Aug 4 at 10:34

wood

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A little number theoretic game

Awarded Jul 28 at 13:48

Leif Sabellek

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What if the Riemann Hypothesis were false?

Awarded Jul 25 at 22:18

Craig Feinstein

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What are the implications of the new quasi-polynomial time solution for the Graph Isomorphism problem?

Awarded Jul 20 at 16:41

David White

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Open problems in algebraic topology and homotopy theory

Awarded Jul 18 at 16:10

Glen M Wilson

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Mathematics for machine learning

Awarded Jul 16 at 10:47

marcosdecarvalho

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Does the Pfaffian have a geometric meaning?

Awarded Jul 13 at 19:42

Bombyx mori

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How should I visualise RP^n?

Awarded Jul 13 at 12:36

Tom Smith

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Examples of conjectures that were widely believed to be true but later proved false

Awarded Jul 6 at 22:50

Eric

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Advantages of diffeological spaces over general sheaves

Awarded Jul 5 at 12:55

David Carchedi

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Puzzle on deleting k bits from binary vectors of length 3k

Awarded Jul 1 at 15:19

Simd

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Measures of non-abelian-ness

Awarded Jun 28 at 16:45

Joseph O'Rourke

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Is a universally closed morphism of schemes quasi-compact ?

Awarded Jun 24 at 7:50

Georges Elencwajg

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Binomial again, and again

Awarded Jun 21 at 21:45

T. Amdeberhan

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Special values of $p$-adic $L$-functions.

Awarded Jun 14 at 14:48

Kevin Buzzard

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Nice applications for Schwartz distributions

Awarded Jun 6 at 9:32

Abdelmalek Abdesselam

21.1k1 gold badge61 silver badges117 bronze badges

Teaching the fundamental group via everyday examples

Awarded Jun 5 at 18:50

Sam Nead

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What are examples of good toy models in mathematics?

Awarded Jun 4 at 10:13

Qiaochu Yuan

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Usefulness of Nash embedding theorem

Awarded May 31 at 16:20

Ettore Minguzzi

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What is the right definition of the Picard group of a commutative ring?

Awarded May 25 at 13:10

Pete L. Clark

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Commutator subgroup does not consist only of commutators?

Awarded May 15 at 16:45

J. GE

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Results with short, advanced proofs or long, elementary proofs

Awarded May 7 at 7:15

anomaly

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How to rewrite mathematics constructively?

Awarded May 7 at 2:56

user877505

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Chain homotopy: Why du+ud and not du+vd?

Awarded May 2 at 2:47

darij grinberg

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Big list of repositories of mathematical preprints and postprints

Awarded Apr 30 at 20:26

Andreas Holmstrom

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What do you do when you're stuck?

Awarded Apr 22 at 21:43

FreePawn

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Can one recover the smooth Gauss Bonnet theorem from the combinatorial Gauss Bonnet theorem as an appropriate limit?

Awarded Apr 18 at 12:49

Ritwik

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Journals and other sources with "easy reading" papers?

Awarded Apr 14 at 10:30

Alexander Chervov

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Is the statement that every field has an algebraic closure known to be equivalent to the ultrafilter lemma?

Awarded Apr 12 at 23:36

Qiaochu Yuan

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Number of valid topologies on a finite set of n elements

Awarded Apr 10 at 19:56

Harry Gindi

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How should a number theorist learn a modest amount of algebraic geometry?

Awarded Apr 4 at 5:15

Frank Thorne

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A recommended roadmap to Fermat's Last Theorem

Awarded Apr 3 at 11:41

Eugene

1,42815 silver badges24 bronze badges

Bourbaki's definition of the number 1

Awarded Mar 29 at 7:52

John Baez

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Proof for the derivative of the determinant of a matrix [closed]

Awarded Mar 28 at 21:00

Max

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Are $\mathbb{C}$ and $\overline{\mathbb{Q}}_p$ isomorphic?

Awarded Mar 20 at 2:05

Minhyong Kim

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Where are the second- (and third-)generation proofs of the classification of finite simple groups up to?

Awarded Mar 19 at 17:05

David Roberts♦

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Is ${\rm S}_6$ the automorphism group of a group?

Awarded Mar 19 at 16:55

Benoit Jubin

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What fraction of the integer lattice can be seen from the origin?

Awarded Mar 13 at 23:58

Joseph O'Rourke

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Calculating cup products using cellular cohomology

Awarded Mar 9 at 11:12

DanT

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How much of character theory can be done without Schur's lemma or the Artin-Wedderburn theorem?

Awarded Mar 2 at 22:40

Terry Tao

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How might M.C. Escher have designed his patterns?

Awarded Feb 27 at 6:31

Dan Tao

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Why can't we take three loops?

Awarded Feb 24 at 12:09

Qiaochu Yuan

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Has Fermat's Last Theorem per se been used?

Awarded Feb 24 at 9:40

Colin McLarty

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What makes a theorem *a* "nullstellensatz."

Awarded Feb 21 at 15:41

David Feldman

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