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Numerical Disintegration's user avatar
Numerical Disintegration's user avatar
Numerical Disintegration's user avatar
Numerical Disintegration
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24
What is meant, exactly, by nonrepeating when talking about irrational numbers?
Apr 24, 2022
5
Question regarding order of evaluation of elements in Group Action example
Jul 7, 2022
5
Suppose $a$ and $b$ are relatively prime and $x \in \mathbb{Z}$. Show that if $a|bx$, them $a|x$ [duplicate]
Dec 15, 2021
5
Negation of the definition of continuity
May 28, 2021
4
Prove that any automorphism $\phi \in Aut(\mathbb{Z}_n)$ is determined by $\phi([1])$ and that $\phi([1])$ must be a generator for $\mathbb{Z}_n$
Jul 5, 2022
4
A few questions regarding permutations
Jul 6, 2022
4
Let $G_1, G_2$ be groups, $H_1 < G_1, H_2 < G_2$ and $\phi: G_1 \to G_2$ an isomorphism with $\phi(H_1) = H_2$. Prove that $[G_1 : H_1] = [G_2 : H_2]$
Jul 30, 2022
3
What does "counted with multiplicity" mean in this proposition regarding roots of polynomials? [duplicate]
May 29, 2022
3
Prove the number of elements of order $n$ in $\mathbb{Z}_n$ is $\phi (n)$
May 19, 2022
3
Proving a linear transformation that preserves the inner product is an isometry
May 10, 2022