Famous Question

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Is there a natural measures on the space of measurable functions?

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Kenny Easwaran

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Subspaces of finite codimension in Banach spaces

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Kestutis Cesnavicius

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Definition and meaning of the conductor of an elliptic curve

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Sam Derbyshire

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Book recommendation for ergodic theory and/or topological dynamics?

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Yaniv Ganor

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linear programming with OR restrictions

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ashade

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Elementary short exact sequence of sheaves

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Jesus Martinez Garcia

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Are some numbers more irrational than others?

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I. J. Kennedy

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Why do I need densities in order to integrate on a non-orientable manifold?

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ISH

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how to find/define eigenvectors as a continuous function of matrix?

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kjetil b halvorsen

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What is homology anyway?

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Saal Hardali

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Theorems in Euclidean geometry with attractive proofs using more advanced methods

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Timothy Chow

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What happened to Suren Arakelov? [closed]

Awarded May 30 at 12:56

Bombyx mori

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Compact and quasi-compact

Awarded May 20 at 2:35

Harry Gindi

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Which manifolds are homeomorphic to simplicial complexes?

Awarded May 13 at 18:40

Charles Rezk

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Is the largest root of a random polynomial more likely to be real than complex?

Awarded May 10 at 16:46

Nilotpal Kanti Sinha

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What's wrong with the surreals?

Awarded May 7 at 20:25

user2498

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The best text to study both incompleteness theorems

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Sergei Tropanets

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Metrization of weak convergence of signed measures

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Dirk

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Why is the exterior algebra so ubiquitous?

Awarded May 5 at 12:36

Qiaochu Yuan

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Roadmap to learning about Ricci Flow?

Awarded May 3 at 21:25

youngmathperson

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Baccarat and the way to win it [closed]

Awarded May 2 at 16:11

lxy

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Subtract Rectangle from Polygon

Awarded Apr 30 at 17:20

Josh C.

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The deep significance of the question of the Mandelbrot set's local connectedness?

Awarded Apr 30 at 4:05

David Feldman

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L1 distance between gaussian measures

Awarded Apr 29 at 14:51

robin girard

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Diophantine equation with no integer solutions, but with solutions modulo every integer

Awarded Apr 27 at 16:18

Faisal

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Geometric meaning of the Euler sequence on $\mathbb{P}^n$ (Example 8.20.1 in Ch II of Hartshorne)

Awarded Apr 26 at 17:21

Enrique Acosta

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Studying topology: which first, algebraic or differential? [closed]

Awarded Apr 25 at 23:16

user70684

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The image of a measurable set under a measurable function.

Awarded Apr 25 at 20:32

Alex M.

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Almost orthogonal vectors

Awarded Apr 25 at 4:17

Matthew Daws

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Generating finite simple groups with $2$ elements

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Hugo Chapdelaine

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Frobenius number for three numbers

Awarded Apr 18 at 14:48

Jernej

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The unproved formulas of Ramanujan

Awarded Apr 15 at 5:43

John Baez

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Books that teach other subjects, written for a mathematician

Awarded Apr 14 at 7:51

Josh

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Mochizuki's proof and Siegel zeros

Awarded Apr 7 at 9:16

GH from MO

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Global character of ABC/Szpiro inequalities

Awarded Mar 30 at 7:41

Jon23

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When is Aut(G) abelian?

Awarded Mar 25 at 3:50

Martin Brandenburg

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What is the history of the name "Chinese remainder theorem"?

Awarded Mar 22 at 8:56

JBorger

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Isomorphic regular graphs

Awarded Mar 21 at 2:31

user16007

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Listing applications of the SVD

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wlad

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Similarity of weighted graphs

Awarded Mar 19 at 3:56

jojovilco

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Maximum flow with negative capacities?

Awarded Mar 18 at 18:33

Fumiyo Eda

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Introduction to deformation theory (of algebras)?

Awarded Mar 18 at 5:10

Harrison Brown

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Rate of convergence in the Law of Large Numbers

Awarded Mar 15 at 13:42

Anthony Quas

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Triangulating surfaces

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Andy Putman

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What is precisely still missing in Connes' approach to RH?

Awarded Mar 15 at 4:08

santker heboln

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What is the p-adic valuation of a number?

Awarded Mar 13 at 23:03

Douglas S. Stones

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Poincaré Conjecture and the Shape of the Universe

Awarded Mar 7 at 20:30

Shake Baby

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Mathematically mature way to think about Mayer–Vietoris

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James D. Taylor

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How seriously should a graduate student take teaching evaluations? [closed]

Awarded Feb 23 at 4:41

Charles Siegel

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Mathematics for machine learning

Awarded Feb 21 at 3:16

marcosdecarvalho

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Modular Arithmetic in LaTeX

Awarded Feb 15 at 17:42

user1504

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Simplest examples of rings that are not isomorphic to their opposites

Awarded Feb 14 at 4:26

Amritanshu Prasad

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What are dessins d'enfants?

Awarded Feb 13 at 19:11

Ilya Nikokoshev

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Ubiquity of the push-pull formula

Awarded Feb 7 at 16:46

Andrea Ferretti

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Is there a high level reason why the inverse square law of gravitation yields periodic orbits without precession?

Awarded Feb 5 at 17:26

Terry Tao

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Daunting papers/books and how to finally read them

Awarded Feb 3 at 16:19

Jon23

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Is PA consistent? do we know it?

Awarded Feb 2 at 10:49

O.R.

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How to prove that a kernel is positive definite?

Awarded Jan 30 at 19:23

user61795

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Breakthroughs in mathematics in 2023

Awarded Jan 30 at 16:40

Bogdan Grechuk

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who fixed the topology on ideles?

Awarded Jan 23 at 9:22

KConrad

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