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Self-Learner

Answer your own question with score of 3 or more.

Awarded 1519 times.

Which lattices have non-trivial linear representations?

Awarded Dec 9, 2022 at 14:26

Yegreg

1915 bronze badges

Confusion on supersingular reduction of elliptic curves with complex multiplication

Awarded Dec 7, 2022 at 7:27

Gnuk

2091 silver badge6 bronze badges

Rosenthal like inequality for weak $\mathbb L^p$-norms

Awarded Dec 2, 2022 at 2:41

Davide Giraudo

4,0432 gold badges30 silver badges43 bronze badges

Groups with three conjugacy classes that define an ordering

Awarded Nov 30, 2022 at 16:01

nombre

2,5201 gold badge17 silver badges20 bronze badges

"At most one" versus "at most finitely many"

Awarded Nov 30, 2022 at 13:42

Sam Sanders

4,6831 gold badge22 silver badges39 bronze badges

Is there a flat manifold with trivial first homology?

Awarded Nov 21, 2022 at 14:25

Igor Belegradek

29.3k2 gold badges82 silver badges179 bronze badges

Why are these graphs coming from 9-dimensional alternating trilinear forms so symmetric?

Awarded Nov 17, 2022 at 14:25

Ward Beullens

2911 silver badge9 bronze badges

$p$-adic periods

Awarded Nov 17, 2022 at 13:36

Julian Rosen

9,1712 gold badges43 silver badges62 bronze badges

Explicit and fast error bounds for polynomial approximation

Awarded Nov 16, 2022 at 23:55

Peter O.

7055 silver badges22 bronze badges

For which fields $k$ with $k^\times$ not $p$-divisible, does there exist finite $l/k$ such that $l^\times$ is $p$-divisible?

Awarded Nov 12, 2022 at 12:50

Boaz Moerman

3392 silver badges11 bronze badges

Is any elementary topos a concretizable category?

Awarded Nov 6, 2022 at 23:48

Arshak Aivazian

7,8762 gold badges13 silver badges48 bronze badges

Amenable subsets of groups

Awarded Oct 31, 2022 at 14:08

Karl Lorensen

3822 silver badges9 bronze badges

Symplectic resolutions amongst cotangent bundles

Awarded Oct 24, 2022 at 17:47

Filip

1,6978 silver badges17 bronze badges

Springer GTM Series statement of purpose (early editions)

Awarded Oct 10, 2022 at 15:40

Joe Corneli

2411 silver badge8 bronze badges

Dixmier's lemma as a generalisation of Schur's first lemma

Awarded Oct 8, 2022 at 19:27

Michael_1812

6131 gold badge5 silver badges13 bronze badges

Why operator systems?

Awarded Oct 5, 2022 at 9:33

JP McCarthy

1,1072 gold badges16 silver badges30 bronze badges

Is Weierstrass function nowhere pointwise Lipschitz?

Awarded Sep 28, 2022 at 4:41

GG1

1565 bronze badges

A criterion for loxodromicity in Gromov-hyperbolic spaces

Awarded Sep 25, 2022 at 17:30

Jean Raimbault

3,40917 silver badges29 bronze badges

Congruences of binomial sums

Awarded Sep 22, 2022 at 2:47

Igor Pak

17.2k2 gold badges63 silver badges124 bronze badges

Tensor product of modules over a monoid in a monoidal category

Awarded Sep 20, 2022 at 22:50

LorenzoPerticone

6133 silver badges12 bronze badges

Oka-Grauert principle, up to the boundary

Awarded Sep 8, 2022 at 16:18

Jan Bohr

1,0217 silver badges16 bronze badges

A variant of Conway's Game of Life: any cell with more than 3 live neighbours becomes a live cell and no live cell dies. How to make more cells live?

Awarded Sep 7, 2022 at 7:15

Blanco

1,5232 gold badges10 silver badges12 bronze badges

Covering the unit sphere in $\mathbf{R}^n$ with $2n$ congruent disks

Awarded Aug 31, 2022 at 11:27

Mohammad Ghomi

7,2441 gold badge30 silver badges55 bronze badges

Selection of an n-vertex graph at random

Awarded Aug 26, 2022 at 9:11

Rhyd Lewis

1514 bronze badges

Conditional probabilities are measurable functions - when are they continuous?

Awarded Aug 25, 2022 at 5:30

Tom LaGatta

8,5621 gold badge43 silver badges82 bronze badges

Equivalent condition to linear operator having trace zero

Awarded Aug 22, 2022 at 23:37

Jon Aycock

9494 silver badges14 bronze badges

Recursive parameter estimation for partially observed Ito SDEs

Awarded Aug 17, 2022 at 20:10

S.Surace

1,67511 silver badges22 bronze badges

Hodge conjecture for generic points

Awarded Aug 17, 2022 at 15:35

user127776

5,9612 gold badges9 silver badges25 bronze badges

Parallelogram law for vectors of equal length

Awarded Aug 15, 2022 at 8:36

Markus

1,3616 silver badges14 bronze badges

Consistency of a strange (choice-wise) set of reals

Awarded Aug 12, 2022 at 19:55

Lorenzo

2,2966 silver badges22 bronze badges

Quaternionic projective space in complex Grassmannian

Awarded Aug 7, 2022 at 14:27

Lionel

1218 bronze badges

Connection between Strebel differentials, ribbon graphs, and Belyi maps

Awarded Aug 6, 2022 at 7:18

Jimeree

4032 silver badges10 bronze badges

Is this a situation where triple mutual information is always non-negative?

Awarded Aug 4, 2022 at 15:37

Paul Tupper

6196 silver badges15 bronze badges

Is Extreme Parameter Free ZFC equivalent to ZFC?

Awarded Jul 14, 2022 at 14:27

Zuhair Al-Johar

12.4k1 gold badge14 silver badges51 bronze badges

Is there MDPs (Markov Decision Process) which have a non deterministic optimal policy?

Awarded Jul 13, 2022 at 20:02

Lamine

2542 silver badges11 bronze badges

Axiomatic construction of trigonometric functions

Awarded Jul 8, 2022 at 20:40

Emanuele Paolini

7323 silver badges13 bronze badges

Looking for a half-remembered reference on 'magnitude algebras'

Awarded Jun 30, 2022 at 21:20

Roselyn van Lauwe

4032 silver badges10 bronze badges

MacMahon Master Theorem for non-matching coefficients

Awarded Jun 25, 2022 at 10:25

Pluviophile

1,6489 silver badges18 bronze badges

Does the embedding $W^{2,1}(\mathbb R^2) \to L^\infty(\mathbb R^2)$ factor through some space that is "slightly better" than $W^{1,2}(\mathbb R^2)$?

Awarded Jun 24, 2022 at 9:06

Alan C

6433 silver badges10 bronze badges

What is the structure of a Banach space $X$ when $Y$ and $X/Y$ are hereditarily indecomposable?

Awarded Jun 17, 2022 at 20:20

S Argyros

1,0516 silver badges9 bronze badges

Endpoint of Brownian motion conditional on high maxima

Awarded Jun 13, 2022 at 20:16

Nate River

8,1753 gold badges25 silver badges118 bronze badges

Example of a ring $R$ such that $\dim(R[[X]])<\dim(R[X])$

Awarded Jun 12, 2022 at 18:19

Andrew Chiriac

4152 silver badges13 bronze badges

Positivity of power of positive PSD matrices

Awarded Jun 4, 2022 at 8:40

MERTON

4953 silver badges19 bronze badges

Are there finitely many sieves on each object in the distributive lattice cube category?

Awarded Jun 2, 2022 at 19:48

Evan Cavallo

2012 silver badges9 bronze badges

Why is a Boolean algebra being $\kappa$-saturated upward closed in $\kappa$?

Awarded Jun 2, 2022 at 14:43

Chad Groft

1,21910 silver badges15 bronze badges

Two definitions of horofunction for Gromov hyperbolic spaces

Awarded May 31, 2022 at 21:27

Jim Belk

8,8031 gold badge43 silver badges54 bronze badges

Faster computation of p-adic log

Awarded May 21, 2022 at 23:15

Oleksandr Kulkov

1,2118 silver badges22 bronze badges

A gamma function identity

Awarded May 18, 2022 at 17:26

Matt Young

4,6711 gold badge24 silver badges35 bronze badges

What is the quotient group $D^*/{F^*(1+P_D)}$ for a quaternion division algebra $D$ over a local field $F$?

Awarded May 17, 2022 at 12:36

BPK

1437 bronze badges

Is $\mathbb{Z}[i,\varphi]$ a Euclidean domain?

Awarded May 9, 2022 at 11:31

zjs

4754 silver badges11 bronze badges

Box dimension of the graph of an increasing function

Awarded May 5, 2022 at 4:55

user1868607

4394 silver badges16 bronze badges

When is $X_{hG} \to X/G$ a weak equivalence for $X$ a free $G$-space, $G$ compact Lie?

Awarded May 3, 2022 at 18:02

Alexander Körschgen

9834 silver badges13 bronze badges

Reflection quotients of Coxeter groups

Awarded Apr 28, 2022 at 20:27

Levi Ryffel

3431 silver badge12 bronze badges

Lang's proof concerning ray class fields of imaginary quadratic number fields

Awarded Apr 23, 2022 at 20:40

mxian

1997 bronze badges

A specific Diophantine equation restricted to prime values of variables.

Awarded Apr 21, 2022 at 3:50

JoshuaZ

7,7662 gold badges30 silver badges63 bronze badges

Does the centralizer of a regular element in a semisimple Lie algebra act by polynomials?

Awarded Apr 13, 2022 at 15:56

Bart Michels

3484 silver badges12 bronze badges

ω-categorical, ω-stable structure with trivial geometry not definable in the pure set

Awarded Apr 10, 2022 at 21:50

Szymon Toruńczyk

6284 silver badges13 bronze badges

Examples of continua that are contractible but are not locally connected at any point

Awarded Apr 10, 2022 at 11:33

TopologicalDynamitard

5132 silver badges8 bronze badges

Where can I find a picture of the complete 9-map on a triple torus that corresponds to Heffter’s table?

Awarded Apr 6, 2022 at 19:51

Sylvie Gavage

1115 bronze badges

Equivariant Harmonic Maps to R-tree and Korevaar-Schoen Convergence

Awarded Apr 4, 2022 at 17:25

Siqi He

7133 silver badges13 bronze badges

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