List questions from proof-verification

Published on 10 Apr 2026 - 21:08

345

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Prove that $G$ is an infinite group

Published on 15 Apr 2026 - 9:30

183

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Tao Analysis I, exercise 5.2.2.

Published on 14 Apr 2026 - 17:27

39

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Proving $J_0(x)\approx\left(\frac{2}{\pi x}\right)^{1/2}\cos\left(x-\frac{\pi}{4}\right)$ as $x\rightarrow\infty$

Published on 17 Apr 2026 - 6:19

657

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Two proofs of the fundamental theorem of calculus of variations - one correct, one not?

Published on 11 May 2026 - 6:44

99

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Proof of Cauchy's Theorem for abelian groups (Herstein)

Published on 09 Apr 2026 - 12:17

35

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Solution verification for a determinant computation

Published on 12 Apr 2026 - 18:25

133

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Finding functions $f:\Bbb{R}\to\Bbb{R}$ for which $\sum_{x\in\Bbb{R}}f(x)$ converges

Published on 10 May 2026 - 20:04

79

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Two integers $a$ and $b$ are coprime, is it possible that $a \mid b$?

Published on 09 Apr 2026 - 7:49

207

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Prove that $(f_n)$, $f_n =x^n$, $x \in (0,1)$ is not uniformly convergent on $(0,1)$

Published on 11 Apr 2026 - 10:38

219

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Orlicz space is complete under the Luxemburg norm

Published on 13 Apr 2026 - 14:02

817

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Proving that a function satisfies the wave equation (chain rule and iterated partial derivatives)

Published on 12 Apr 2026 - 10:02

36

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second order differential equation checks. Are these right?

Published on 16 Apr 2026 - 14:55

86

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Finding the Inverse Laplace Transform of $-\frac{1}{s(s+1)}+\frac{(s+1)(s+2)}{s\left((s+1)^2+1\right)}$

Published on 16 Apr 2026 - 5:43

110

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If $\sum u_n$ be a divergent series of positive reals, then $\sum \frac{u_n}{1+u_n}$ diverges also

Published on 14 Apr 2026 - 0:17

List Question

How do I prove that $G$ is generated by two elements?

Prove that $G$ is an infinite group

Tao Analysis I, exercise 5.2.2.

Proving $J_0(x)\approx\left(\frac{2}{\pi x}\right)^{1/2}\cos\left(x-\frac{\pi}{4}\right)$ as $x\rightarrow\infty$

Two proofs of the fundamental theorem of calculus of variations - one correct, one not?

Proof of Cauchy's Theorem for abelian groups (Herstein)

Solution verification for a determinant computation

Finding functions $f:\Bbb{R}\to\Bbb{R}$ for which $\sum_{x\in\Bbb{R}}f(x)$ converges

Two integers $a$ and $b$ are coprime, is it possible that $a \mid b$?

Prove that $(f_n)$, $f_n =x^n$, $x \in (0,1)$ is not uniformly convergent on $(0,1)$

Orlicz space is complete under the Luxemburg norm

Proving that a function satisfies the wave equation (chain rule and iterated partial derivatives)

second order differential equation checks. Are these right?

Finding the Inverse Laplace Transform of $-\frac{1}{s(s+1)}+\frac{(s+1)(s+2)}{s\left((s+1)^2+1\right)}$

If $\sum u_n$ be a divergent series of positive reals, then $\sum \frac{u_n}{1+u_n}$ diverges also

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