List questions from abstract-algebra

Published on 09 Apr 2026 - 3:57

894

Views

Symmetries of the Tetrahedron - Geometric description and isomorphic correlations

Published on 09 Apr 2026 - 0:33

1.1k

Views

Flat modules over a PID

Published on 08 Apr 2026 - 22:40

236

Views

Calculating the residue field of $\mathbb{F}_q(t)$ with respect to the valuation $-\deg$

Published on 09 Apr 2026 - 0:33

1k

Views

Ring Homomorphisms, ideals and kernel

Published on 09 Apr 2026 - 20:10

649

Views

Show that the group $\mathbb Z_{45}$ has exactly one subgroup of order $3$ and construct it.

Published on 02 Apr 2026 - 11:10

486

Views

All possible non-isomorphic abelian groups of order $225$ and the minimum possible collapsion

Published on 24 Mar 2026 - 23:46

704

Views

Prove that the projection from a square to a torus is not open

Published on 25 Mar 2026 - 5:41

53

Views

Testing for ideals

Published on 11 Apr 2026 - 3:20

371

Views

Showing that $2$ of the following groups are not isomorphic

Published on 09 Apr 2026 - 0:32

90

Views

How to write cyclotomic field extensions $\mathbb{Q}(\zeta_n)$ in terms of roots and $i$?

Published on 09 Apr 2026 - 6:20

409

Views

Center $Z(G)$ of a group $G$ and applications within an exam problem

Published on 24 Mar 2026 - 23:46

71

Views

Relation between Centraliser of a and b

Published on 21 Jan 2018 - 16:20

164

Views

A question regarding greatest common divisor

Published on 09 Apr 2026 - 15:03

198

Views

$f\in K[X]$ irreducible odd degree, $\alpha, \beta\in\bar K$ distinct roots of $f$ $\Rightarrow$ neither $\alpha+\beta\in K$ nor $\alpha\beta\in K$

Published on 01 Apr 2026 - 23:16

List Question

Counting squares in finite fields (Paley Design)

Symmetries of the Tetrahedron - Geometric description and isomorphic correlations

Flat modules over a PID

Calculating the residue field of $\mathbb{F}_q(t)$ with respect to the valuation $-\deg$

Ring Homomorphisms, ideals and kernel

Show that the group $\mathbb Z_{45}$ has exactly one subgroup of order $3$ and construct it.

All possible non-isomorphic abelian groups of order $225$ and the minimum possible collapsion

Prove that the projection from a square to a torus is not open

Testing for ideals

Showing that $2$ of the following groups are not isomorphic

How to write cyclotomic field extensions $\mathbb{Q}(\zeta_n)$ in terms of roots and $i$?

Center $Z(G)$ of a group $G$ and applications within an exam problem

Relation between Centraliser of a and b

A question regarding greatest common divisor

$f\in K[X]$ irreducible odd degree, $\alpha, \beta\in\bar K$ distinct roots of $f$ $\Rightarrow$ neither $\alpha+\beta\in K$ nor $\alpha\beta\in K$

Trending Questions

Popular # Hahtags

Popular Questions