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Self-Learner

Answer your own question with score of 3 or more.

Awarded 1332 times.

What is the ring structure on Lusztig's integral form of quantum $\mathfrak{sl}(2)$?

Awarded yesterday

Alvaro Martinez

4402 silver badges9 bronze badges

Is $T$ totally bounded when $C_u(T)$ is separable?

Awarded 2 days ago

Ano2Math5

716 bronze badges

Are $\beta \mathbb{Q}$ and $\beta(\beta\mathbb{Q}\setminus\mathbb{Q})$ homeomorphic?

Awarded May 5 at 17:12

Jakobian

3911 silver badge8 bronze badges

Cauchy identity for Jack functions

Awarded May 3 at 22:16

Giulio

1211 silver badge8 bronze badges

Conjecture on the existence of centrosymmetric Hadamard matrices

Awarded Apr 24 at 21:11

Konrad Burnik

4893 silver badges11 bronze badges

When does base-change in topological spaces preserve quotient maps?

Awarded Apr 24 at 20:19

Lennart Meier

11.8k4 gold badges68 silver badges100 bronze badges

For locally profinite groups $H\lhd G$, is there a spectral sequence $\newcommand\@[2]{{\rm Ext}_#1^{#2}(\pi_1,\pi_2)}H^p(G/H,\@Hq)\implies\@G{p+q}$?

Awarded Apr 24 at 6:27

Suzet

4652 silver badges13 bronze badges

Series solution for general trinomial

Awarded Apr 23 at 14:50

CarP24

1596 bronze badges

Two fractionally isomorphic graphs but only one having eigenvalue zero

Awarded Apr 22 at 19:26

Sirolf

4932 silver badges9 bronze badges

Is $F(F(A)) = A$ for every k-hypercube where k is odd?

Awarded Apr 22 at 17:21

Nima Aryan

1058 bronze badges

Computing kernels of maps of modules over a finitely presented algebra

Awarded Apr 20 at 15:34

Calvin McPhail-Snyder

2,35310 silver badges24 bronze badges

Near-ring localizations

Awarded Apr 16 at 2:21

nikita

1215 bronze badges

An inequality for two iid r.v.s

Awarded Apr 14 at 18:40

Sheng Wang

1077 bronze badges

Does a strong digraph always admit a vertex that lies on some path between $\Theta(n^2)$ pairs of vertices?

Awarded Apr 11 at 12:50

Arnaud Casteigts

1917 bronze badges

In a rigid monoidal category, why is $W^*\otimes V^*$ a left dual of $V \otimes W$?

Awarded Apr 4 at 3:48

tyrese

2291 silver badge6 bronze badges

When do there exist $ n $ commuting, derivations which locally generate $ T_{A/k} $ as an $ A $-module?

Awarded Apr 4 at 1:40

Schemer1

6911 silver badge11 bronze badges

Bertini theorems for base-point-free linear systems in positive characteristics

Awarded Mar 28 at 10:57

Karl Schwede

19.9k3 gold badges46 silver badges95 bronze badges

Step in the Bruhat decomposition for reductive Lie groups

Awarded Mar 27 at 16:50

Claude

6054 silver badges15 bronze badges

Subgroup membership problem in simple groups

Awarded Mar 22 at 13:31

Carl-Fredrik Nyberg Brodda

4,8154 gold badges23 silver badges52 bronze badges

Existence of diffeomorphism interpolating affine map and identity

Awarded Mar 21 at 23:25

Sven Pistre

1938 bronze badges

Reference request: Cut-and-project method gives rise to a fiber bundle over the torus

Awarded Mar 21 at 2:20

Kyle

1819 bronze badges

Large values of $\zeta(1/2+it)$ from sums of short moments

Awarded Mar 20 at 22:42

Joshua Stucky

1,4662 silver badges16 bronze badges

Does a rational function extend to a point if all its 1-parameter extensions at that point agree?

Awarded Mar 18 at 16:41

Emre

7935 silver badges13 bronze badges

Number of monotone functions on a square grid

Awarded Mar 14 at 20:35

Dmitry

2211 silver badge8 bronze badges

Coordinate free way to construct inner product on exterior powers

Awarded Mar 3 at 16:01

Cindy

474 bronze badges

Connection 1-form of the frame bundle associated to a vector bundle with a connection

Awarded Feb 25 at 17:41

ychemama

1,2767 silver badges16 bronze badges

What are the maximal closed subgroups of $ \operatorname{SU}_3 $?

Awarded Feb 22 at 20:40

Ian Gershon Teixeira

2,8774 silver badges24 bronze badges

Sum of all root lengths in simple Lie algebra

Awarded Feb 20 at 3:04

Simon

4613 silver badges13 bronze badges

Is there a translation to English of Serre's GAGA?

Awarded Feb 19 at 17:41

sheaf-pilled

1815 bronze badges

For which $X$ is $X\times I$ collectionwise normal?

Awarded Feb 14 at 18:09

Tyrone

4,0841 gold badge23 silver badges39 bronze badges

Automatically generating combinatorial conjectures

Awarded Feb 10 at 12:21

Duncan W

3413 silver badges8 bronze badges

When a pro-$p$ group of finite rank can be embedded into the first congruence subgroup of ${\rm GL}_{N}(\mathbb{Z}_{p})$

Awarded Feb 4 at 5:28

stupid boy

3891 silver badge11 bronze badges

Infimum of Gaussian process

Awarded Jan 30 at 14:58

Uri Cohen

3532 silver badges9 bronze badges

Construction of skew-Hadamard matrix of order 292

Awarded Jan 27 at 1:19

Matteo Cati

2316 bronze badges

Determinant of a certain Vandermonde matrix

Awarded Jan 22 at 14:26

Fred Hucht

1,8671 gold badge9 silver badges21 bronze badges

Kan extension pseudonatural transformations

Awarded Jan 21 at 20:26

Fernando

8455 silver badges21 bronze badges

Consistency of Weak Diamond with a Weak Version of Martin's Axiom

Awarded Jan 16 at 12:41

Danielle Ulrich

2,15612 silver badges17 bronze badges

A harmonic function degenerate in one direction

Awarded Jan 10 at 8:42

Leo Moos

4,5362 gold badges11 silver badges24 bronze badges

Is there any maximal 1-planar or 2-planar graph that is not 3-connected

Awarded Jan 9 at 7:10

Xin Zhang

1,0423 silver badges11 bronze badges

Reference request: Serre's Groupes discrets

Awarded Jan 4 at 19:27

Maarten Derickx

2,04513 silver badges25 bronze badges

Isometric immersion of $\mathbb H^2$ into $\mathbb R^\infty$ built by Bieberbach

Awarded Jan 2 at 20:04

Zaragosa

1231 silver badge11 bronze badges

Intuitionistic consistency of surjection from naturals to reals

Awarded Dec 27, 2022 at 6:47

Sridhar Ramesh

5,38732 silver badges40 bronze badges

Some basic questions on quotient of group schemes

Awarded Dec 23, 2022 at 16:35

Daebeom Choi

5631 gold badge3 silver badges21 bronze badges

Dual polyhedra and electric circuits

Awarded Dec 22, 2022 at 20:41

carfog

4131 silver badge9 bronze badges

Does equality of Hodge star and symplectic star imply Kähler structure?

Awarded Dec 18, 2022 at 15:50

John Sidles

1,34918 silver badges38 bronze badges

Use random inner product to test if at least one vector is uniform

Awarded Dec 12, 2022 at 13:43

Lwins

1,54110 silver badges22 bronze badges

Orthogonal basis for the multilinear polynomials with zero "trace"

Awarded Dec 11, 2022 at 8:05

Yuval Filmus

1,88615 silver badges24 bronze badges

Which lattices have non-trivial linear representations?

Awarded Dec 9, 2022 at 14:26

Yegreg

1014 bronze badges

Confusion on supersingular reduction of elliptic curves with complex multiplication

Awarded Dec 7, 2022 at 7:27

HarrySmit

2091 silver badge6 bronze badges

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

Awarded Dec 2, 2022 at 2:41

Davide Giraudo

3,7182 gold badges27 silver badges41 bronze badges

Groups with three conjugacy classes that define an ordering

Awarded Nov 30, 2022 at 16:01

nombre

2,2721 gold badge14 silver badges19 bronze badges

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

Awarded Nov 30, 2022 at 13:42

Sam Sanders

2,8771 gold badge19 silver badges29 bronze badges

Is there a flat manifold with trivial first homology?

Awarded Nov 21, 2022 at 14:25

Igor Belegradek

27.9k2 gold badges75 silver badges171 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

8,8712 gold badges39 silver badges60 bronze badges

Explicit and fast error bounds for polynomial approximation

Awarded Nov 16, 2022 at 23:55

Peter O.

5554 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

2972 silver badges10 bronze badges

Is any elementary topos a concretizable category?

Awarded Nov 6, 2022 at 23:48

Arshak Aivazian

5,26011 silver badges33 bronze badges

Amenable subsets of groups

Awarded Oct 31, 2022 at 14:08

Karl Lorensen

2472 silver badges9 bronze badges

Symplectic resolutions amongst cotangent bundles

Awarded Oct 24, 2022 at 17:47

Filip

1,5375 silver badges14 bronze badges

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