List questions from proof-explanation

Published on 16 Apr 2026 - 0:51

32

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A graph $G(n,p)$ has $\Omega(k^2)$ edges of a special type, $k \in \mathbb{Z}^+$. If $p = \omega(k^{-2})$, then w.h.p. one of the edges is in $G$.

Published on 27 Mar 2026 - 0:05

195

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Show whether the reflexive closure of R is an equivalence relation or not

Published on 14 Apr 2026 - 18:49

329

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Use of the Lax-Milgram Theorem in Evans' book to prove the First Existence Theorem for weak solutions

Published on 13 Apr 2026 - 17:24

121

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IMO 1992 Problem 6

Published on 14 Apr 2026 - 13:31

58

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Confused regarding the Gram-Schmidt Theorem.

Published on 11 May 2026 - 3:46

60

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Alternating series estimation test proof

Published on 14 Apr 2026 - 3:37

136

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How AM-GM is applied here

Published on 14 Apr 2026 - 1:49

339

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Compound Poisson distribution and infinitely divisible probability generating function

Published on 17 Apr 2026 - 14:27

48

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Infinite and finite representation of the same real number

Published on 14 Apr 2026 - 22:40

50

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Cauchy sequence in operator theory.

Published on 25 Apr 2026 - 9:41

96

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Differential equations with separable variables: classification of solutions through categories

Published on 14 Apr 2026 - 18:26

101

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Explanation of part of a particular proof by induction that the harmonic series diverges

Published on 14 Apr 2026 - 11:55

186

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Proof that an isometry preserves straight lines

Published on 25 Apr 2026 - 11:23

1.3k

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Let $f:[a,b]\to\mathbb{R}$ be integrable on $[a,b]$. Show that if $ F(x)=\int_a^x f(t)\,dt$ then $F(x)$ is continuous on $[a,b]$.

Published on 15 Apr 2026 - 21:23

List Question

germs and composing smooth maps

A graph $G(n,p)$ has $\Omega(k^2)$ edges of a special type, $k \in \mathbb{Z}^+$. If $p = \omega(k^{-2})$, then w.h.p. one of the edges is in $G$.

Show whether the reflexive closure of R is an equivalence relation or not

Use of the Lax-Milgram Theorem in Evans' book to prove the First Existence Theorem for weak solutions

IMO 1992 Problem 6

Confused regarding the Gram-Schmidt Theorem.

Alternating series estimation test proof

How AM-GM is applied here

Compound Poisson distribution and infinitely divisible probability generating function

Infinite and finite representation of the same real number

Cauchy sequence in operator theory.

Differential equations with separable variables: classification of solutions through categories

Explanation of part of a particular proof by induction that the harmonic series diverges

Proof that an isometry preserves straight lines

Let $f:[a,b]\to\mathbb{R}$ be integrable on $[a,b]$. Show that if $ F(x)=\int_a^x f(t)\,dt$ then $F(x)$ is continuous on $[a,b]$.

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