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Questions Tagged with "abstract algebra" (Page 9)

Explore solved questions tagged with "abstract algebra" or help others by answering their unsolved questions related to "abstract algebra".

Prime subfield of a field is $mathbb{Z}/pmathbb{Z}$ or $mathbb{Q}$.

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Mathematics Asked 3 years ago by eraldcoil

What is the difference between radical ideal and the radical of an ideal?

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Mathematics Asked 3 years ago

Showing that $mathbb{C}[x,y]^{mu_n}$ and $mathbb{C}[x,y,z]/(xy-z^n)$ are isomorphic as rings

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Mathematics Asked 3 years ago

Showing that a group $G$ such that 3 does not divide $|G|$ is Abelian.

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Mathematics Asked 3 years ago by user778657

A computation in the field of rational functions.

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Mathematics Asked 3 years ago by Jake Mirra

Doubt in following one step of Proof

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Mathematics Asked 3 years ago by latus_rectum

Proof that there are only two automorphisms of $mathbb{Q}(sqrt d)$ fixing $mathbb{Q}$

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Mathematics Asked 3 years ago by HyperPro

Need help to understand a theorem about direct sums and regular morphism of R-modules

1 answer

Mathematics Asked 3 years ago by Luiz Guilherme De Carvalho Lop

Prove that $H<GRightarrow |H|le leftlfloor frac{|G|}{2}rightrfloor$ without Lagrange's theorem.

1 answer

Mathematics Asked 3 years ago

Show that $mathbb{Z}[sqrt{3}]$ is dense in $mathbb{R}.$

1 answer

Mathematics Asked 3 years ago by Confusion

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