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Revival

Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.

Awarded 5716 times.

Functions that are Khinchin integrable but not Henstock-Kurzweil integrable

Awarded 2 hours ago

Jakobian

6353 silver badges11 bronze badges

When a quasinilpotent is nilpotent?

Awarded 7 hours ago

Pietro Majer

55.2k4 gold badges114 silver badges257 bronze badges

A non-$p$-adic proof of a congruence of Bernoulli numbers

Awarded 18 hours ago

efs

2,9991 gold badge15 silver badges37 bronze badges

When a quasinilpotent is nilpotent?

Awarded 2 days ago

Jochen Glueck

11.5k2 gold badges33 silver badges54 bronze badges

Bounds on the number of samples needed to learn a real valued function class

Awarded Dec 5 at 0:16

Unique Subedi

213 bronze badges

Real square roots of symmetric matrices

Awarded Dec 4 at 12:05

Denis Serre

50.5k10 gold badges143 silver badges290 bronze badges

Name for a sum of dyadic vector products

Awarded Dec 3 at 16:17

Vladimir Martinusi

212 bronze badges

Has there been any progress on Conway's and Soifer's shortest paper?

Awarded Nov 30 at 19:32

David E Speyer

149k14 gold badges398 silver badges728 bronze badges

Relationship between the holonomy pseudogroup and holonomy homomorphism (foliation)

Awarded Nov 30 at 12:28

Carlos Martinez

1514 bronze badges

When is the cofibrant replacement of a product the product of the cofibrant replacements?

Awarded Nov 30 at 2:50

David White

25.5k8 gold badges117 silver badges180 bronze badges

Shrinkable homogeneous compact and connected $T_2$-space

Awarded Nov 29 at 22:41

Alessandro Codenotti

2,6721 gold badge17 silver badges27 bronze badges

Proof of Karlin-Rubin's theorem

Awarded Nov 29 at 15:26

Iosif Pinelis

110k7 gold badges93 silver badges195 bronze badges

Types of generating functions (ordinary, exponential, ???) closed under substitution

Awarded Nov 29 at 11:07

Oleksandr Kulkov

1,1117 silver badges21 bronze badges

Why $K_5$ and $K_{3,3}$?

Awarded Nov 27 at 18:55

rimu

7194 silver badges20 bronze badges

Software for finding conjugates in the braid group

Awarded Nov 27 at 11:37

Ian Agol

66k3 gold badges186 silver badges349 bronze badges

Index of the Hecke algebra with operators omitted

Awarded Nov 24 at 17:18

Olivier

9,9601 gold badge43 silver badges64 bronze badges

Complexity of the set of models of TA

Awarded Nov 22 at 20:17

Dino Rossegger

4553 silver badges13 bronze badges

Manifolds with nonpositive radial curvature

Awarded Nov 22 at 4:49

Anton Petrunin

42.3k11 gold badges125 silver badges275 bronze badges

Subgradient of Minimum Eigenvalue

Awarded Nov 21 at 18:27

Cristóbal Guzmán

9705 silver badges15 bronze badges

Gentle(-er) Introduction to Erdős–Bollobás's solution to Ramsey–Turán Type Problem

Awarded Nov 21 at 1:21

Samyak Jha

1798 bronze badges

Hochschild cohomology of an Azumaya algebra

Awarded Nov 20 at 17:01

Joshua Mundinger

1,69211 silver badges23 bronze badges

Defining computable functions categorically

Awarded Nov 17 at 4:18

Peter Gerdes

2,53114 silver badges17 bronze badges

First Chern class of the universal bundle

Awarded Nov 15 at 19:01

Nikolas Kuhn

4244 silver badges10 bronze badges

Algorithm for grouping tetrahedra from Voronoi diagram

Awarded Nov 15 at 12:03

Iddo Hanniel

6864 silver badges18 bronze badges

Are Markov traces matrix traces?

Awarded Nov 14 at 14:56

Gandalf Lechner

9974 silver badges16 bronze badges

Group actions and "transfinite dynamics"

Awarded Nov 13 at 15:05

Burak

4,0001 gold badge30 silver badges52 bronze badges

Inconsistency in determinability of the solution of a linear first order PDE

Awarded Nov 13 at 13:49

Denis Serre

50.5k10 gold badges143 silver badges290 bronze badges

Does there exist a framework for determining if a power series is "differentially algebraic"

Awarded Nov 12 at 18:42

Sidharth Ghoshal

2,23314 silver badges29 bronze badges

Definitions of definable compactness

Awarded Nov 12 at 3:35

Anguepa

1611 silver badge4 bronze badges

Elementary proof of Chevalley's Theorem on constructible sets

Awarded Nov 11 at 13:10

pinaki

4,9623 gold badges36 silver badges55 bronze badges

First variation in $L^2$ sense of the square of the Wasserstein metric

Awarded Nov 10 at 8:50

Gilles Mordant

5852 silver badges11 bronze badges

Dissecting using a ruler and compass

Awarded Nov 9 at 6:10

Oscar Lanzi

1,31617 silver badges15 bronze badges

General algebraic result obtained from consideration on $\mathbb{Q}_p$

Awarded Nov 9 at 4:15

KConrad

48.8k8 gold badges189 silver badges272 bronze badges

Diagrams in $(\infty,n)$-categories

Awarded Nov 8 at 23:42

Stahl

9876 silver badges18 bronze badges

Stable vector bundles in Weil's parametrization

Awarded Nov 8 at 1:01

Will Sawin

131k9 gold badges285 silver badges510 bronze badges

Reference for (general case) of uniqueness of singular value decomposition (SVD)

Awarded Nov 7 at 21:58

V. Mikaelian

414 bronze badges

Is anything known about the power series $\sum x^p$ for $p$ prime?

Awarded Nov 5 at 20:42

Sidharth Ghoshal

2,23314 silver badges29 bronze badges

Is there an infinite combinatorics of common transseries expansions?

Awarded Nov 5 at 20:19

Felipe Argolo

312 bronze badges

Lusztig's $q$-analog of weight multiplicity with product formula

Awarded Nov 4 at 21:45

Tamas Hausel

9497 silver badges11 bronze badges

Generating all pentominoes by cutting and pasting

Awarded Nov 4 at 20:07

Pontus von Brömssen

4263 silver badges7 bronze badges

(post deleted or otherwise unavailable)

Awarded Nov 4 at 1:26

marco

1094 bronze badges

Has every finite affine plane the Doubling Property?

Awarded Oct 30 at 23:20

Ihromant

3765 bronze badges

Minimum distance of a symmetric matrix to diagonal matrices

Awarded Oct 29 at 13:07

Mostafa

4,4221 gold badge17 silver badges44 bronze badges

Modularisation on group representations with arbitrary braiding

Awarded Oct 29 at 0:56

César Galindo

1,4227 silver badges20 bronze badges

Definition of a spin group

Awarded Oct 28 at 22:18

S. Carnahan♦

44.9k5 gold badges108 silver badges217 bronze badges

Egyptian fractions similar to Erdos-Straus conjecture

Awarded Oct 28 at 12:26

Frank Okoh

212 bronze badges

Gently changing measure

Awarded Oct 28 at 2:02

Paul Larson

2,56026 silver badges29 bronze badges

Vice-versa Erdős conjecture

Awarded Oct 28 at 0:16

G. Melfi

3781 silver badge10 bronze badges

A textbook on foundations of geometry in spirit of Tarski

Awarded Oct 27 at 9:31

Julien Narboux

1237 bronze badges

What are the "applications" of quantum optimal transport?

Awarded Oct 27 at 8:11

hafezmg48

313 bronze badges

Recursivity of the primes

Awarded Oct 26 at 11:40

Thomas Sauvaget

2,8511 gold badge31 silver badges49 bronze badges

What locales correspond to Manifolds?

Awarded Oct 24 at 4:34

Mozibur Ullah

2,05714 silver badges19 bronze badges

Isometry for the stochastic integral wrt fractional Brownian motion for random processes

Awarded Oct 23 at 19:11

Laaleh

213 bronze badges

Finding $\theta$ such that at least one eigenvalue of $A(\theta)$ is real

Awarded Oct 23 at 14:43

Fred Hucht

1,9421 gold badge9 silver badges22 bronze badges

Error term in França-LeClair approximation of zeta zeros

Awarded Oct 22 at 19:57

juan

6,9361 gold badge34 silver badges38 bronze badges

Knight's tours in higher dimensions

Awarded Oct 20 at 23:06

Marco Ripà

8073 silver badges17 bronze badges

Approximation of monotone Sobolev functions

Awarded Oct 18 at 14:49

Dimitrios Ntalampekos

1066 bronze badges

excision in algebraic de Rham cohomology

Awarded Oct 17 at 13:42

Jack J. Garzella

3433 silver badges9 bronze badges

Is Hilbert–Schmidt and Frobenius norm the same?

Awarded Oct 17 at 9:03

David Cherney

412 bronze badges

A surjection from square onto power: Is limit Hartogs/Lindenbaum number necessary?

Awarded Oct 16 at 20:51

Elliot Glazer

3,8071 gold badge18 silver badges29 bronze badges

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