List questions from proof-explanation

186

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Proving $e$ is irrational using its reciprocal and the inequality $0<e^{-1}-s_{2n-1}<\frac{1}{(2n)!}$.

Published on 27 Mar 2026 - 22:53

118

Views

Proof explanation of Katz and Mazur's "autoduality theorem" for elliptic curves

Published on 26 Mar 2026 - 22:16

504

Views

Riemann Zeta function is Big Oh of log(|t|)

Published on 27 Mar 2026 - 23:48

1.5k

Views

Mikhlin multiplier theorem

Published on 28 Mar 2026 - 11:53

87

Views

Explanation of proof by contradiction

Published on 16 Jul 2018 - 21:10

73

Views

Dubious step in 'order of mobius' proof which may lead to an interesting fact

Published on 25 Mar 2026 - 7:45

46

Views

Proof Clarification weak convergence

Published on 17 Jul 2018 - 2:14

278

Views

Problem in understanding principle of duality in category theory.

Published on 28 Mar 2026 - 9:50

404

Views

Adapting a picture proof of trig's Angle Addition identities to angles greater than $90^\circ$

Published on 26 Mar 2026 - 12:08

352

Views

Prove that $f(x) = x ^ {2n+1}$ is injective.

Published on 17 Jul 2018 - 11:58

143

Views

Proof of Tychonoff's Theorem using subbasic open subsets

Published on 25 Mar 2026 - 9:24

116

Views

Prove that if $|x|<1$ then $x^{6}<1$

Published on 18 Jul 2018 - 1:13

66

Views

Proof that $3$ dimensional vector space can't be spanned by $2$ vectors

Published on 18 Jul 2018 - 5:45

915

Views

Proof verification: column rank = row rank

Published on 25 Mar 2026 - 14:29

251

Views

Proof Expla.: $\lambda$ is an eigenvalue of $A\in M_{n\times n}(F)$ iff $\det(A-\lambda I)=0$?

Published on 31 Mar 2026 - 13:10

List Question

Proving $e$ is irrational using its reciprocal and the inequality $0<e^{-1}-s_{2n-1}<\frac{1}{(2n)!}$.

Proof explanation of Katz and Mazur's "autoduality theorem" for elliptic curves

Riemann Zeta function is Big Oh of log(|t|)

Mikhlin multiplier theorem

Explanation of proof by contradiction

Dubious step in 'order of mobius' proof which may lead to an interesting fact

Proof Clarification weak convergence

Problem in understanding principle of duality in category theory.

Adapting a picture proof of trig's Angle Addition identities to angles greater than $90^\circ$

Prove that $f(x) = x ^ {2n+1}$ is injective.

Proof of Tychonoff's Theorem using subbasic open subsets

Prove that if $|x|<1$ then $x^{6}<1$

Proof that $3$ dimensional vector space can't be spanned by $2$ vectors

Proof verification: column rank = row rank

Proof Expla.: $\lambda$ is an eigenvalue of $A\in M_{n\times n}(F)$ iff $\det(A-\lambda I)=0$?

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