List questions from positive-characteristic | MathQa

Find a field $K$ with $\operatorname{char}K=2$ which has an algebraic extension $F$ containing a particular subset

Published on 13 Jan 2025 - 4:15

Prove that if g,h convex functions and g is positive ,then (goh) is a convex function ,too.

Published on 13 Jan 2025 - 4:11

Pullback along the Frobenius morphism

Published on 13 Jan 2025 - 3:50

Examples of uncountable fields of characteristic $p$?

Published on 13 Jan 2025 - 3:55

Prove that p divides to algebraic multiplicity of the eigenvalue

Published on 13 Jan 2025 - 4:03

Multiplication by $m$ isogenies of elliptic curves in characteristic $p$

Published on 13 Jan 2025 - 4:03

Finite extension of field with positive characteristic

Published on 13 Jan 2025 - 3:59

Prove that a polynomial is irreducible or the field contains a $p$th root

Published on 13 Jan 2025 - 4:07

Does the category of algebraically closed fields of characteristic $p$ change when $p$ changes?

Published on 13 Jan 2025 - 4:13

$\mathbb{Z}_p$ necessarily realised as galois group of characteristic $p$ field?

Published on 13 Jan 2025 - 4:06