Question

Questions about cyclic groups (Paar-Pelzl).

score 1.4k · Answer 1 · 2026-04-11 16:14:00

1.4k

Views

Questions about cyclic groups (Paar-Pelzl).

Published on 11 Apr 2026 - 16:14

score 69 · Answer 2 · 2026-04-10 13:32:29

69

Views

Question on definition of Weyl Group in Brian Hall

Published on 10 Apr 2026 - 13:32

score 97 · Answer 3 · 2026-04-14 04:27:52

If p is a divisor of all coefficients of a polynomial f(x) but $p^2$ does not divide the constant. Show f(x) irreducible over $\mathbb{Q}$

score 1k · Answer 4 · 2026-04-14 20:00:52

1k

Views

Equivalent definition of free module

Published on 14 Apr 2026 - 20:00

score 157 · Answer 5 · 2026-04-13 04:26:52

157

Views

Generated ideal of an Element with $x=x^{2}$

Published on 13 Apr 2026 - 4:26

score 1.3k · Answer 6 · 2026-04-08 14:28:50

1.3k

Views

Why the forgetful functor from $\mathbf{Ab}$ to $\mathbf{Grp}$ does not admit a right adjoint?

Published on 08 Apr 2026 - 14:28

score 182 · Answer 7 · 2026-04-15 22:06:42

182

Views

Show that $\phi: \mathbb{R^{n}}\to \mathbb{R^{m}}$ defined by $\phi(x)=Ax$ is a homomorphism.

Published on 15 Apr 2026 - 22:06

score 446 · Answer 8 · 2026-04-12 00:11:35

446

Views

composition of rational maps between two curves in Silverman

Published on 12 Apr 2026 - 0:11

score 367 · Answer 9 · 2026-04-16 03:29:27

367

Views

If $|H|=4$ and $gH$ has order 3 in $G/H$. Show that $K=H\cup gH\cup g^2H$ forms a subgroup of $G$.

Published on 16 Apr 2026 - 3:29

score 219 · Answer 10 · 2026-04-16 11:29:57

219

Views

Maximal ideals in a polynomial ring

Published on 16 Apr 2026 - 11:29

score 179 · Answer 11 · 2026-04-14 20:51:50

179

Views

Which formal power series can be expressed as a rational fraction?

Published on 14 Apr 2026 - 20:51

score 1.8k · Answer 12 · 2026-04-11 03:20:06

1.8k

Views

$\mathbb Z$ is integrally closed in $\mathbb Q$?

Published on 11 Apr 2026 - 3:20

score 60 · Answer 13 · 2026-04-16 19:47:49

60

Views

Change of basis between $\mathbb{Q}(\sqrt{2}+ \sqrt{3})$ and $\mathbb{Q}(\sqrt{2}, \sqrt{3}) $

Published on 16 Apr 2026 - 19:47

score 152 · Answer 14 · 2026-04-29 12:29:06

152

Views

Scalar multiplication well-defined using tensor product universal property

Published on 29 Apr 2026 - 12:29

score 153 · Answer 15 · 2026-04-15 05:52:27

153

Views

$A$ is a ring and $I$ is an ideal, an element $x \in A$ maps to an invertible element of $A/I$.

Published on 15 Apr 2026 - 5:52

List Question

Questions about cyclic groups (Paar-Pelzl).

Question on definition of Weyl Group in Brian Hall

If p is a divisor of all coefficients of a polynomial f(x) but $p^2$ does not divide the constant. Show f(x) irreducible over $\mathbb{Q}$

Equivalent definition of free module

Generated ideal of an Element with $x=x^{2}$

Why the forgetful functor from $\mathbf{Ab}$ to $\mathbf{Grp}$ does not admit a right adjoint?

Show that $\phi: \mathbb{R^{n}}\to \mathbb{R^{m}}$ defined by $\phi(x)=Ax$ is a homomorphism.

composition of rational maps between two curves in Silverman

If $|H|=4$ and $gH$ has order 3 in $G/H$. Show that $K=H\cup gH\cup g^2H$ forms a subgroup of $G$.

Maximal ideals in a polynomial ring

Which formal power series can be expressed as a rational fraction?

$\mathbb Z$ is integrally closed in $\mathbb Q$?

Change of basis between $\mathbb{Q}(\sqrt{2}+ \sqrt{3})$ and $\mathbb{Q}(\sqrt{2}, \sqrt{3}) $

Scalar multiplication well-defined using tensor product universal property

$A$ is a ring and $I$ is an ideal, an element $x \in A$ maps to an invertible element of $A/I$.

Trending Questions

Popular # Hahtags

Popular Questions