List questions from solution-verification

Published on 17 Apr 2026 - 2:40

163

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An extension corresponding to a subgroup of Galois group

Published on 28 Mar 2026 - 21:51

362

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Equivalence relation in a simple directed graph $D$

Published on 25 Mar 2026 - 20:41

175

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Proving that if $a$ is an element from a group and $|a|=n$, then $C(a)=C(a^k)$, when $k$ is relatively prime to n.

Published on 16 Apr 2026 - 5:49

209

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Asymptotics of Gaussian integral along vertical line in complex plane

Published on 11 Apr 2026 - 6:33

351

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extending ring homomorphism into fields

Published on 25 Mar 2026 - 20:32

47

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Finding a complement of $U=\{f\in C(\mathbb{R},\mathbb{R}) |f(0)=0\}$

Published on 16 Apr 2026 - 4:42

1.2k

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Suppose $G$ is a group with exactly $8$ elements of order $10$. How many cyclic subgroups of order $10$ does $G$ have?

Published on 16 Apr 2026 - 2:32

39

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Prove that $\lim_{x \rightarrow \infty, y \rightarrow \infty} F_{XY}(x, y) = 1. $

Published on 16 Apr 2026 - 22:43

83

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Proving that the dot product $\mathbb{R}^n\times \mathbb{R}^n\mapsto\mathbb{R}$ is bilinear

Published on 14 Apr 2026 - 16:35

37

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Linear Algebra by Kunze Section 2.2 Thm 3 proof verification

Published on 13 Apr 2026 - 4:32

192

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About continuous local martingales, question on Le-Gall's book

Published on 12 Apr 2026 - 4:34

82

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Clarification on the process of finding torsion coefficients (invariant factors)

Published on 26 Mar 2026 - 14:42

226

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Signed measure: verification

Published on 15 Apr 2026 - 6:17

998

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Proving a collection of open sets is a basis for a topology of $X$

Published on 16 Apr 2026 - 3:49

List Question

Proof regarding inverse images and unions of sets

An extension corresponding to a subgroup of Galois group

Equivalence relation in a simple directed graph $D$

Proving that if $a$ is an element from a group and $|a|=n$, then $C(a)=C(a^k)$, when $k$ is relatively prime to n.

Asymptotics of Gaussian integral along vertical line in complex plane

extending ring homomorphism into fields

Finding a complement of $U=\{f\in C(\mathbb{R},\mathbb{R}) |f(0)=0\}$

Suppose $G$ is a group with exactly $8$ elements of order $10$. How many cyclic subgroups of order $10$ does $G$ have?

Prove that $\lim_{x \rightarrow \infty, y \rightarrow \infty} F_{XY}(x, y) = 1. $

Proving that the dot product $\mathbb{R}^n\times \mathbb{R}^n\mapsto\mathbb{R}$ is bilinear

Linear Algebra by Kunze Section 2.2 Thm 3 proof verification

About continuous local martingales, question on Le-Gall's book

Clarification on the process of finding torsion coefficients (invariant factors)

Signed measure: verification

Proving a collection of open sets is a basis for a topology of $X$

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