Julian Rosen's user avatar
Julian Rosen's user avatar
Julian Rosen's user avatar
Julian Rosen
  • Member for 13 years, 11 months
  • Last seen more than a month ago
8 votes
Accepted

"Diagonalizing" Littlewood-Richardson coefficients

8 votes

Weil cohomologies with given field of definition and coefficient field

8 votes
Accepted

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

7 votes
Accepted

A Rng of rotations?

7 votes

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

7 votes

Does base extension reflect the property of being isomorphic?

6 votes
Accepted

Reals with integer powers bounded away from integers?

6 votes

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

6 votes
Accepted

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

6 votes
Accepted

commutative algebra, diagonal morphism

6 votes
Accepted

Lie algebra preserving ideal of functions

6 votes
Accepted

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

6 votes

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

5 votes
Accepted

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

5 votes
Accepted

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

5 votes
Accepted

Effective cycles of codimension 1 and field extensions

5 votes
Accepted

Arbitrarily large number of representations

5 votes
Accepted

Lifting identities of formal power series

4 votes
Accepted

normalization of a bijection

4 votes

Sequences with integral means

4 votes

Action of a profinite group

4 votes

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

4 votes

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

4 votes

Computing intersection of subrings

4 votes

$p$-adic periods

4 votes

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

4 votes

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

4 votes
Accepted

Completeness of Localizations of Completions of Commutative Rings

3 votes
Accepted

A $p$-adic sum of reciprocals of powers

3 votes

$p$-adic sums of $p$ terms