Enlightened - Badge - MathOverflow

Enlightened

First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.

Awarded 11701 times.

Foundations of topology

Awarded Jan 3, 2019 at 9:05

Mikhail Katz

15.4k1 gold badge51 silver badges122 bronze badges

Fubini without CH

Awarded Jan 2, 2019 at 12:45

Mohammad Golshani

32k2 gold badges96 silver badges195 bronze badges

On a parallelizable manifold, is there always a frame satisfying $[X_i,X_j]=0$?

Awarded Jan 2, 2019 at 4:15

Tsemo Aristide

3,6441 gold badge12 silver badges18 bronze badges

Embedding a hypercube into the Erdos-Renyi random graph

Awarded Jan 2, 2019 at 0:40

Robert Israel

53.6k1 gold badge74 silver badges152 bronze badges

Homeomorphic characterization of the real line?

Awarded Jan 1, 2019 at 23:00

user131781

2,4421 gold badge7 silver badges10 bronze badges

Why is persistent cohomology so much faster than persistent homology

Awarded Jan 1, 2019 at 12:55

Ulrich Bauer

4845 silver badges7 bronze badges

Spreading $n$ points in $\{0,1\}^n$ as far as possible

Awarded Jan 1, 2019 at 6:30

kodlu

10.1k2 gold badges34 silver badges53 bronze badges

Which spaces have trivial K-theory?

Awarded Dec 31, 2018 at 18:10

Neil Strickland

55k7 gold badges140 silver badges254 bronze badges

Is there an algorithm to decide if a word is in a finitely generated subgroup of a free group?

Awarded Dec 30, 2018 at 18:10

Andy Putman

43.6k13 gold badges178 silver badges263 bronze badges

Fermat's Last Theorem and Computability Theory

Awarded Dec 30, 2018 at 2:05

Russell Miller

2692 silver badges4 bronze badges

Polymath-type projects for textbooks?

Awarded Dec 29, 2018 at 19:40

Adam P. Goucher

12.2k2 gold badges52 silver badges104 bronze badges

Are higher etale homotopy groups topological groups in a natural way?

Awarded Dec 28, 2018 at 14:05

Denis Nardin

16.2k2 gold badges68 silver badges102 bronze badges

"Gauss trick" vs Karatsuba multiplication

Awarded Dec 28, 2018 at 12:05

Carlo Beenakker

178k17 gold badges423 silver badges617 bronze badges

Given four conditionally convergent series, is there a single sequence of naturals such that each corresponding subseries sums to $\pm\infty$?

Awarded Dec 28, 2018 at 10:10

fedja

59.8k11 gold badges154 silver badges293 bronze badges

What are the equations for $SL_3/SL_2$?

Awarded Dec 28, 2018 at 6:40

user44191

4,9616 gold badges30 silver badges50 bronze badges

A small corner w.r.t. a masa in a von Neumann algebra

Awarded Dec 27, 2018 at 21:00

Jesse Peterson

4,59431 silver badges32 bronze badges

Higher Topos Theory Theorem 2.2.5.3

Awarded Dec 26, 2018 at 21:15

Tim Campion♦

61.6k13 gold badges133 silver badges360 bronze badges

Inverting homotopy groups of spectra

Awarded Dec 26, 2018 at 11:10

Sam Gunningham

6,6541 gold badge33 silver badges37 bronze badges

The developing map of conformally flat manifold

Awarded Dec 26, 2018 at 4:55

Anton Petrunin

43.7k11 gold badges130 silver badges287 bronze badges

Orientations of Planar Graphs

Awarded Dec 26, 2018 at 4:50

Louis Esperet

9007 silver badges13 bronze badges

Geodesic current supported on a pencil?

Awarded Dec 26, 2018 at 4:50

R W

16.7k3 gold badges36 silver badges71 bronze badges

Connected topological space $X$ such that $\emptyset, X$ are the only open connected subsets

Awarded Dec 25, 2018 at 22:45

Nik Weaver

42.1k3 gold badges110 silver badges208 bronze badges

Is every graph an incomparability graph?

Awarded Dec 25, 2018 at 19:40

Jonas Frede

3283 silver badges8 bronze badges

Equidistribution of $\{p_n^2α\}$

Awarded Dec 25, 2018 at 4:00

Thomas Bloom

6,6081 gold badge37 silver badges56 bronze badges

On the existence of a particular type of finite measure on $\mathbb N$

Awarded Dec 24, 2018 at 23:50

Greg Martin

12.7k1 gold badge48 silver badges70 bronze badges

Is the embedding ${\sf cat}\subset {\sf Cat}$ dense?

Awarded Dec 24, 2018 at 23:50

Tim Campion♦

61.6k13 gold badges133 silver badges360 bronze badges

Have you ever seen this bizarre commutative algebra?

Awarded Dec 24, 2018 at 16:20

Dan Fox

2,1401 gold badge19 silver badges23 bronze badges

How is this fixed point theorem related to the axiom of choice?

Awarded Dec 24, 2018 at 11:45

Andreas Blass

72.3k8 gold badges186 silver badges286 bronze badges

E-infinity structure on singular cochains

Awarded Dec 23, 2018 at 23:05

Tyler Lawson

51.5k9 gold badges184 silver badges244 bronze badges

Does there exist a continuous 2-to-1 function from the sphere to itself?

Awarded Dec 23, 2018 at 14:20

GH from MO

99.2k8 gold badges270 silver badges370 bronze badges

A numerical radius inequality

Awarded Dec 23, 2018 at 8:35

Chris Ramsey

3,9543 gold badges17 silver badges40 bronze badges

Motivation for definition of Quotient stack

Awarded Dec 21, 2018 at 19:50

Denis Nardin

16.2k2 gold badges68 silver badges102 bronze badges

Enhancing Grothendieck's universes and Grothendieck's axiom: Feferman's universe

Awarded Dec 21, 2018 at 19:05

Mike Shulman

65.1k7 gold badges158 silver badges356 bronze badges

"Strøm-type" model structure on chain complexes?

Awarded Dec 21, 2018 at 6:50

Peter May

30.2k3 gold badges95 silver badges137 bronze badges

Is there a substitution that relates every Fermat curve to an elliptic curve?

Awarded Dec 20, 2018 at 23:45

François Brunault

20.5k2 gold badges47 silver badges99 bronze badges

Use of games to approximate solutions to Partial Differential Equations

Awarded Dec 20, 2018 at 18:35

Brian Borchers

3,9341 gold badge15 silver badges17 bronze badges

Why can't subvarieties separate?

Awarded Dec 20, 2018 at 15:40

Pete L. Clark

64.8k12 gold badges236 silver badges378 bronze badges

What is the minimal surface connecting two circles that don't lie in parallel planes?

Awarded Dec 20, 2018 at 8:00

RBega2

2,4581 gold badge8 silver badges18 bronze badges

Integrating over a hypercube, not a hypersphere

Awarded Dec 19, 2018 at 23:20

Carlo Beenakker

178k17 gold badges423 silver badges617 bronze badges

Is there an algebraic "derived mapping space" construction that encompasses both Hochschild homology and loop spaces of non-simply-connected spaces?

Awarded Dec 19, 2018 at 17:05

David Ben-Zvi

23.2k1 gold badge80 silver badges104 bronze badges

Elliptic curve over projective line with four points of multiplicative reduction

Awarded Dec 18, 2018 at 23:10

Will Sawin

137k9 gold badges298 silver badges525 bronze badges

Percentage of Ramanujan's conjectures that were proven correct

Awarded Dec 18, 2018 at 23:10

Carlo Beenakker

178k17 gold badges423 silver badges617 bronze badges

An integral involving the argument of the Gamma function and the Riemann Hypothesis

Awarded Dec 18, 2018 at 23:10

juan

6,9761 gold badge35 silver badges39 bronze badges

Are archimedean subextensions of ordered fields dense?

Awarded Dec 18, 2018 at 23:10

Joel David Hamkins

225k42 gold badges733 silver badges1.3k bronze badges

GAGA for stacks

Awarded Dec 17, 2018 at 22:15

abx

37.3k3 gold badges82 silver badges142 bronze badges

Certain matrices of interesting determinant

Awarded Dec 17, 2018 at 20:40

Fedor Petrov

103k9 gold badges248 silver badges426 bronze badges

Existence of solution for the PDE $p \frac{\partial f(p, q)}{\partial p}-q \frac{\partial f(p, q)}{\partial q}=g(p, q)$

Awarded Dec 17, 2018 at 14:00

Robert Bryant

106k8 gold badges335 silver badges442 bronze badges

minimum-maximum entries matrix

Awarded Dec 17, 2018 at 10:25

Ehud Meir

4,97918 silver badges23 bronze badges

Is there a short proof of the decidability of Kepler's Conjecture?

Awarded Dec 16, 2018 at 3:15

Henry Cohn

16.6k2 gold badges72 silver badges77 bronze badges

Is there a generalization of linear algebra that allows fractional ranks?

Awarded Dec 15, 2018 at 21:00

Qiaochu Yuan

115k37 gold badges430 silver badges725 bronze badges

Awarded Dec 15, 2018 at 16:25

Amritanshu Prasad

5,5941 gold badge37 silver badges51 bronze badges

Does the bordism homology theory satisfy the weak equivalence axiom?

Awarded Dec 15, 2018 at 3:20

Ricardo Andrade

6,1395 gold badges42 silver badges69 bronze badges

Are there infinitely many real multiplication fields of abelian surfaces over $\mathbb Q$?

Awarded Dec 14, 2018 at 2:25

François Brunault

20.5k2 gold badges47 silver badges99 bronze badges

Is the p-adic Lindemann-Weierstrass Conjecture still open?

Awarded Dec 13, 2018 at 22:20

Carlo Beenakker

178k17 gold badges423 silver badges617 bronze badges

Intersection of $\{2^a 3^b 5^c 7^d\}$ and its translates

Awarded Dec 13, 2018 at 22:20

Mike Bennett

2,38117 silver badges16 bronze badges

Units in group rings.

Awarded Dec 13, 2018 at 2:25

David E Speyer

151k14 gold badges402 silver badges736 bronze badges

Why is Voevodsky's motivic homotopy theory 'the right' approach?

Awarded Dec 12, 2018 at 23:20

Denis Nardin

16.2k2 gold badges68 silver badges102 bronze badges

Homotopy type of $SO(4)/SO(2)$

Awarded Dec 12, 2018 at 23:20

Mark Grant

35k8 gold badges90 silver badges191 bronze badges

Holes in double-tileable polynominoes

Awarded Dec 11, 2018 at 23:45

Aydar Sayranov

1662 silver badges4 bronze badges

Bertini's theorem over non-algebraically closed field

Awarded Dec 11, 2018 at 4:10

R. van Dobben de Bruyn

27.3k3 gold badges86 silver badges139 bronze badges

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