Cleanup - Badge - MathOverflow

Cleanup

First rollback.

Awarded 502 times.

Generalized Rayleigh-quotient gradient flow on Grassmannian

Awarded Mar 14, 2017 at 8:34

Sebastian Goette

7,0662 gold badges38 silver badges64 bronze badges

Motivation for the Preprojective Algebra

Awarded Mar 8, 2017 at 8:58

Matthew Pressland

1,71014 silver badges22 bronze badges

On solving non-linear equations of this type

Awarded Feb 23, 2017 at 2:27

Seyhmus Güngören

3591 silver badge17 bronze badges

An H-group that's not a loop space?

Awarded Feb 13, 2017 at 19:55

John R. Harper

2014 silver badges6 bronze badges

Homeomorphisms of $S^n\times S^1$

Awarded Feb 3, 2017 at 15:39

Dave Witte Morris

3,9111 gold badge19 silver badges20 bronze badges

Decomposing a matrix into a product of sparse matrices

Awarded Dec 30, 2016 at 12:20

Rodrigo de Azevedo

2,6533 gold badges18 silver badges37 bronze badges

Existence and uniqueness of solution for nonlinear system

Awarded Dec 24, 2016 at 17:06

visitor

1012 bronze badges

upper bound on the difference between two Perron-Frobenius eigenvalues

Awarded Dec 24, 2016 at 13:41

Federico Poloni

20.5k2 gold badges83 silver badges125 bronze badges

Continuous functions with convex level sets

Awarded Dec 3, 2016 at 1:41

Włodzimierz Holsztyński

7,6001 gold badge36 silver badges52 bronze badges

Can we decide whenever a function is the derivate of another function in this Language?

Awarded Nov 24, 2016 at 14:36

CoffeDeveloper

559 bronze badges

How to calculate the top Chern class of a "functorial" vector bundle on a moduli space of sheaves?

Awarded Nov 20, 2016 at 14:24

evgeny

2,00014 silver badges31 bronze badges

Not especially famous, long-open problems which anyone can understand

Awarded Oct 31, 2016 at 8:37

Martin Sleziak

4,7934 gold badges39 silver badges42 bronze badges

Which quartic fields contain the 4th roots of unity in their Galois closure?

Awarded Oct 27, 2016 at 2:59

R.P.

4,80321 gold badges45 silver badges70 bronze badges

Lawvere's 'Categories of space and of quantity" - the projection formula

Awarded Oct 20, 2016 at 17:15

Arrow

10.7k1 gold badge29 silver badges73 bronze badges

(post deleted or otherwise unavailable)

Awarded Oct 19, 2016 at 20:55

Willie Wong

41.8k5 gold badges97 silver badges184 bronze badges

Local solution for linear PDE with "saddle" degeneration at origin?

Awarded Oct 14, 2016 at 1:19

Kyle Hayden

5152 silver badges11 bronze badges

American put option pricing by "binomial trees"

Awarded Aug 23, 2016 at 5:06

Anthony Quas

23.6k5 gold badges65 silver badges99 bronze badges

An estimation of $p_n$

Awarded Aug 10, 2016 at 11:13

Lehs

8629 silver badges18 bronze badges

Mordell-Weil rank of an elliptic curve over $\mathbb{Q}(\sqrt{-1},\sqrt{2},\sqrt{3},\sqrt{5},...)$?

Awarded Jul 13, 2016 at 10:53

The Thin Whistler

1,92312 silver badges26 bronze badges

Jacobi's theorem on sums of two squares (reference request)

Awarded Jun 24, 2016 at 0:01

Ethan Splaver

2,60618 silver badges35 bronze badges

Can I recognize the quotient of a group by a closed subgroup? (for example the standard representation of S3 in GL(2,C))

Awarded Jun 20, 2016 at 20:22

Yosemite Sam

1,9091 gold badge14 silver badges27 bronze badges

(post deleted or otherwise unavailable)

Awarded Jun 12, 2016 at 2:02

cupcake

1838 bronze badges

Spin^c structures on manifolds with almost complex structure

Awarded Jun 6, 2016 at 5:54

PVAL

7731 gold badge4 silver badges19 bronze badges

(post deleted or otherwise unavailable)

Awarded Apr 21, 2016 at 14:34

Mauro Perez

12 bronze badges

Difference between the Laplacian and the sub-Laplacian of a Lie group

Awarded Apr 2, 2016 at 10:23

Z. Alfata

3224 silver badges17 bronze badges

Intransitive finite irreducible linear groups whose orbits are all large

Awarded Mar 29, 2016 at 8:51

Zeyu

5274 silver badges15 bronze badges

Smoothness of the "Archimedean special fiber" in Arakelov geometry

Awarded Mar 27, 2016 at 2:12

Vesselin Dimitrov

13.9k3 gold badges60 silver badges97 bronze badges

Can Turing machines clarify mathematical, philosophical, and physical existence?

Awarded Mar 12, 2016 at 0:53

Thomas Klimpel

2,52421 silver badges43 bronze badges

Renaud-Sarvate limitation on Frankl's Conjecture

Awarded Jan 25, 2016 at 11:02

Thomas Bloom

7,6631 gold badge44 silver badges67 bronze badges

$T$-nilpotent ideals

Awarded Jan 24, 2016 at 21:53

Dag Oskar Madsen

3,9093 gold badges32 silver badges55 bronze badges

Is $n=6$ the only integer satisfies ${\sigma}_x(n) \equiv 0\bmod{n}$ for every odd integer $x > 0$ and $2 (\bmod n)$ if $x$ is even integer?

Awarded Jan 10, 2016 at 8:05

Gerhard Paseman

13.2k3 gold badges34 silver badges66 bronze badges

regular polygon question

Awarded Jan 8, 2016 at 7:45

Denis Serre

53.1k10 gold badges153 silver badges316 bronze badges

Finite hitting time implies hits at any finite time?

Awarded Dec 16, 2015 at 0:58

Yizheng

33 bronze badges

What's wrong with my understanding of the scheme $\text{Isom}(E_\lambda, E_{\lambda'})$?

Awarded Nov 9, 2015 at 21:24

David Benjamin Lim

2,71822 silver badges36 bronze badges

type theory that does not treat the terms of $\mathrm{Prop}$ as types

Awarded Oct 18, 2015 at 12:14

Myshkin

17.9k5 gold badges73 silver badges143 bronze badges

Local cohomology groups and linearity

Awarded Sep 12, 2015 at 18:59

Will Sawin

162k9 gold badges349 silver badges613 bronze badges

Rings such that every quotient has an indecomposable decomposition

Awarded Sep 5, 2015 at 10:23

Jeremy Rickard

36.2k2 gold badges114 silver badges156 bronze badges

Conjugate vertices and distinguishing properties

Awarded Aug 29, 2015 at 21:31

Ilmari Karonen

1,3549 silver badges14 bronze badges

Bateman-Horn, continued even further

Awarded Aug 27, 2015 at 14:05

Igor Rivin

97.6k11 gold badges156 silver badges377 bronze badges

Is every non-empty $\Delta_0$ set provably the range of some primitive recursive function?

Awarded Aug 19, 2015 at 21:37

James

1,54810 silver badges14 bronze badges

(post deleted or otherwise unavailable)

Awarded Jul 28, 2015 at 22:23

Michael

2672 silver badges16 bronze badges

Minimal edge color on constraints

Awarded Jul 24, 2015 at 23:13

Daniel Soltész

3,0042 gold badges23 silver badges35 bronze badges

Composition operators on fractional-order (periodic) Sobolev spaces

Awarded Jul 17, 2015 at 9:27

F. H.

635 bronze badges

Why is it so cool to square numbers (in terms of finding the standard deviation)?

Awarded Jul 9, 2015 at 9:58

Martin Hairer

10.8k3 gold badges44 silver badges61 bronze badges

Higher algebra and terminology about 2-objects

Awarded Jul 6, 2015 at 18:56

sure

4581 gold badge3 silver badges11 bronze badges

Van Kampen colimits

Awarded Jun 22, 2015 at 22:09

Michal R. Przybylek

4,14625 silver badges34 bronze badges

Non meager rectangle

Awarded Jun 15, 2015 at 20:27

Alex Ravsky

6,0041 gold badge18 silver badges32 bronze badges

Expected matching in a bipartite graph

Awarded May 15, 2015 at 13:23

Ben Barber

4,6892 gold badges27 silver badges39 bronze badges

Sums of sets of lower density 0

Awarded May 6, 2015 at 11:14

bof

15.1k2 gold badges48 silver badges72 bronze badges

(post deleted or otherwise unavailable)

Awarded May 2, 2015 at 23:44

Suvrit

28.7k7 gold badges83 silver badges152 bronze badges

Avoiding Fibonacci-like sequences

Awarded Apr 1, 2015 at 0:30

Suresh Venkat

4,5021 gold badge27 silver badges34 bronze badges

Blowing-up a point in the singular locus

Awarded Mar 20, 2015 at 23:32

Karl Schwede

21k3 gold badges55 silver badges101 bronze badges

(post deleted or otherwise unavailable)

Awarded Mar 16, 2015 at 16:06

Ramiro de la Vega

11.7k1 gold badge47 silver badges58 bronze badges

Which group does not satisfy the Tits alternative?

Awarded Mar 13, 2015 at 0:09

user47274

1,33715 silver badges25 bronze badges

$\lim_{t\rightarrow 0}P\left(X_t >0\right)=\frac 1 2$ for continuous semimartingales?

Awarded Mar 6, 2015 at 21:37

JSG

2471 silver badge9 bronze badges

Generalized Cox Theorems, valuations on boolean sets, bayesian probabilities and posets

Awarded Feb 24, 2015 at 13:04

Rorsa

9338 silver badges14 bronze badges

Was $\Sigma x$ used as quantifier?

Awarded Feb 18, 2015 at 17:08

Frode Alfson Bjørdal

4,1221 gold badge18 silver badges37 bronze badges

Is this a $C^0$ foliation of $\mathbb{R}^2$?

Awarded Feb 18, 2015 at 9:45

Loïc Teyssier

5,5533 gold badges29 silver badges41 bronze badges

Where does a math person go to learn statistical mechanics?

Awarded Jan 4, 2015 at 5:11

Peter Humphries

8,4443 gold badges52 silver badges75 bronze badges

How do we show this matrix has full rank?

Awarded Jan 3, 2015 at 22:42

Christian Remling

25k2 gold badges51 silver badges86 bronze badges

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