User Julian Rosen

8 votes

Accepted

"Diagonalizing" Littlewood-Richardson coefficients

answered Apr 22, 2016 at 21:04

8 votes

Weil cohomologies with given field of definition and coefficient field

answered Sep 29, 2020 at 20:53

8 votes

Accepted

Lie Algebra of Automorphism Group of $\mathbb{P}_k^1$

answered May 28, 2019 at 3:55

7 votes

Accepted

A Rng of rotations?

answered Dec 3, 2017 at 23:12

7 votes

Subset of Spec(A) realized as inverse image of some Spec(B)

answered Oct 28, 2013 at 15:11

7 votes

Does base extension reflect the property of being isomorphic?

answered Dec 16, 2013 at 21:11

6 votes

Accepted

Reals with integer powers bounded away from integers?

answered Apr 10, 2013 at 1:59

6 votes

Is there a simple relation between the entropy of a matrix and its characteristic polynomial?

answered Jul 18, 2012 at 19:21

6 votes

Accepted

Do the sequences with divergent associated $\zeta$-function form a vector space?

answered Nov 22, 2014 at 14:34

6 votes

Accepted

commutative algebra, diagonal morphism

answered Jul 21, 2014 at 4:15

6 votes

Accepted

Lie algebra preserving ideal of functions

answered Dec 31, 2018 at 4:58

6 votes

Accepted

Picking a real for every non-empty open set in $\mathbb{R}$

answered Jul 22, 2017 at 14:48

6 votes

Generalize $H^1_{dR}(X)=\mathrm{Hom} (\pi_1(X),\mathbb R)$ to fundamental Groupoid

answered Jul 17, 2019 at 22:29

5 votes

Accepted

Is a proper quotient of $\mathbb{F}_{q^n}[x]$ considered as an $\mathbb{F}_q$-algebra always a quotient of $\mathbb{F}_q[x]$?

answered Sep 19, 2021 at 14:18

5 votes

On vanishing of $p$-adic logarithms

answered Sep 9 at 20:12

5 votes

Accepted

Which elements of $1+(x_1,x_2)\subset\mathbb{Z}_p[[x_1,x_2]]^\times$ are in $\langle 1+x_1,1+x_2\rangle$?

answered Aug 9, 2017 at 0:48

5 votes

Accepted

Effective cycles of codimension 1 and field extensions

answered Jan 13, 2018 at 14:49

5 votes

$p$-adic periods

answered Oct 2, 2017 at 13:58

5 votes

Accepted

Arbitrarily large number of representations

answered Jul 26, 2014 at 17:17

5 votes

What if homotopy were expanded to allow any connected space instead of $[0,1]$?

answered May 4, 2015 at 20:57

5 votes

Accepted

Lifting identities of formal power series

answered Aug 31, 2012 at 22:37

4 votes

Accepted

normalization of a bijection

answered Oct 28, 2012 at 20:59

4 votes

Sequences with integral means

answered Nov 2, 2013 at 15:42

4 votes

Computing intersection of subrings

answered Feb 6, 2015 at 17:26

4 votes

Action of a profinite group

answered Apr 22, 2014 at 21:16

4 votes

Are there examples of families of objects which are canonically isomorphic, but where diagrams of canonical isomorphisms don't commute?

answered Oct 23, 2014 at 6:11

4 votes

How to cook up an Artin motive from a positive-dimensional variety

answered May 3, 2019 at 19:28

4 votes

Is torsion submodule of a $p$-adically complete and separated $\mathbb{Z}_{p}$-module closed?

answered Mar 29, 2016 at 21:24

4 votes

Accepted

Completeness of Localizations of Completions of Commutative Rings

answered Feb 4, 2016 at 1:08

3 votes

Accepted

A $p$-adic sum of reciprocals of powers

answered Jun 18, 2016 at 15:26

Stack Exchange Network

79 Answers

"Diagonalizing" Littlewood-Richardson coefficients

Weil cohomologies with given field of definition and coefficient field

Lie Algebra of Automorphism Group of $\mathbb{P}_k^1$

A Rng of rotations?

Subset of Spec(A) realized as inverse image of some Spec(B)

Does base extension reflect the property of being isomorphic?

Reals with integer powers bounded away from integers?

Is there a simple relation between the entropy of a matrix and its characteristic polynomial?

Do the sequences with divergent associated $\zeta$-function form a vector space?

commutative algebra, diagonal morphism

Lie algebra preserving ideal of functions

Picking a real for every non-empty open set in $\mathbb{R}$

Generalize $H^1_{dR}(X)=\mathrm{Hom} (\pi_1(X),\mathbb R)$ to fundamental Groupoid

Is a proper quotient of $\mathbb{F}_{q^n}[x]$ considered as an $\mathbb{F}_q$-algebra always a quotient of $\mathbb{F}_q[x]$?

On vanishing of $p$-adic logarithms

Which elements of $1+(x_1,x_2)\subset\mathbb{Z}_p[[x_1,x_2]]^\times$ are in $\langle 1+x_1,1+x_2\rangle$?

Effective cycles of codimension 1 and field extensions

$p$-adic periods

Arbitrarily large number of representations

What if homotopy were expanded to allow any connected space instead of $[0,1]$?

Lifting identities of formal power series

normalization of a bijection

Sequences with integral means

Computing intersection of subrings

Action of a profinite group

Are there examples of families of objects which are canonically isomorphic, but where diagrams of canonical isomorphisms don't commute?

How to cook up an Artin motive from a positive-dimensional variety

Is torsion submodule of a $p$-adically complete and separated $\mathbb{Z}_{p}$-module closed?

Completeness of Localizations of Completions of Commutative Rings

A $p$-adic sum of reciprocals of powers