Question

Show that the abelian group of the $p$-adic integers is torsion free

score 815 · Answer 1 · 2026-04-14 12:39:20

815

Views

Show that the abelian group of the $p$-adic integers is torsion free

Published on 14 Apr 2026 - 12:39

score 80 · Answer 2 · 2026-04-16 07:41:45

80

Views

irreducibility in $F_2[X]/X^5+X^2+1$

Published on 16 Apr 2026 - 7:41

score 103 · Answer 3 · 2026-04-16 02:57:19

103

Views

Question concerning exact sequences of $R$-modules

Published on 16 Apr 2026 - 2:57

score 484 · Answer 4 · 2026-04-13 16:03:40

484

Views

Using the first Isomorphism theorem to prove that $S$ is a subring of $M_2(\mathbb{Z})$

Published on 13 Apr 2026 - 16:03

score 225 · Answer 5 · 2026-04-11 17:41:21

225

Views

Are there any difference in between inner product and hermitian inner product?

Published on 11 Apr 2026 - 17:41

score 323 · Answer 6 · 2026-04-11 21:22:29

323

Views

Does having an isomorphism between two could-be groups imply that they are groups?

Published on 11 Apr 2026 - 21:22

score 62 · Answer 7 · 2026-04-13 04:08:28

62

Views

Proof this factor ring is field.

Published on 13 Apr 2026 - 4:08

score 66 · Answer 8 · 2026-04-14 16:40:54

66

Views

Does there exists an isomorphism such that $\langle \phi(v),\phi(w)\rangle_{1}=\langle v,w\rangle_{2}$? If so then how to construct it.

Published on 14 Apr 2026 - 16:40

score 111 · Answer 9 · 2026-04-15 03:30:31

111

Views

Describing the Kernel of a map from The Fundamental Group to the integers

Published on 15 Apr 2026 - 3:30

score 1.4k · Answer 10 · 2026-04-21 07:53:58

1.4k

Views

Show that a Boolean ring is a commutative ring.

Published on 21 Apr 2026 - 7:53

score 291 · Answer 11 · 2026-04-15 23:18:57

291

Views

A question on non-principalness of ideal $\langle 3, 1 + \sqrt{223} \rangle \subset \textbf Z[\sqrt{223}]$

Published on 15 Apr 2026 - 23:18

score 167 · Answer 12 · 2026-04-11 17:15:40

167

Views

How many homomorphisms are there from $G$ to $H \oplus H$?

Published on 11 Apr 2026 - 17:15

score 1.2k · Answer 13 · 2026-04-20 12:28:45

1.2k

Views

Make an addition and multiplication table for ring $\Bbb{Z}_{12}$ with ideal $\left \{ 0,3,6,9 \right \}$.

Published on 20 Apr 2026 - 12:28

score 256 · Answer 14 · 2026-04-15 08:07:01

256

Views

Evaluation map in field extensions. $F$-algebra homomorphism.

Published on 15 Apr 2026 - 8:07

score 150 · Answer 15 · 2026-04-14 10:49:20

150

Views

Integral of $\tan(1/x)$

Published on 14 Apr 2026 - 10:49

List Question

Show that the abelian group of the $p$-adic integers is torsion free

irreducibility in $F_2[X]/X^5+X^2+1$

Question concerning exact sequences of $R$-modules

Using the first Isomorphism theorem to prove that $S$ is a subring of $M_2(\mathbb{Z})$

Are there any difference in between inner product and hermitian inner product?

Does having an isomorphism between two could-be groups imply that they are groups?

Proof this factor ring is field.

Does there exists an isomorphism such that $\langle \phi(v),\phi(w)\rangle_{1}=\langle v,w\rangle_{2}$? If so then how to construct it.

Describing the Kernel of a map from The Fundamental Group to the integers

Show that a Boolean ring is a commutative ring.

A question on non-principalness of ideal $\langle 3, 1 + \sqrt{223} \rangle \subset \textbf Z[\sqrt{223}]$

How many homomorphisms are there from $G$ to $H \oplus H$?

Make an addition and multiplication table for ring $\Bbb{Z}_{12}$ with ideal $\left \{ 0,3,6,9 \right \}$.

Evaluation map in field extensions. $F$-algebra homomorphism.

Integral of $\tan(1/x)$

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