List questions from proof-explanation

Published on 08 Apr 2026 - 16:40

42

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$\int_{|x|<t} |\mathcal{F}^{-1}f(x) |dx \leq C t^{\frac{n}{2}}\|f\|_{L^{2}}$?

Published on 06 Apr 2026 - 6:32

36

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A simple proof with directional derivatives

Published on 09 Apr 2026 - 17:28

184

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Are geometric proofs less reliable than others?

Published on 11 Apr 2026 - 6:31

223

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Dummit and Foote page 512 claim

Published on 02 Apr 2026 - 23:57

53

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Series expansion in a recurrence relation (Lines in a plane)

Published on 02 Apr 2026 - 17:00

1k

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Proving that if $n\times n$ Hadamard matrix exists, then 4 divides $n$

Published on 14 Apr 2014 - 20:34

400

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Derivation of Euler Lagrange Equation

Published on 12 Apr 2026 - 2:29

23.6k

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Proof of Eckart-Young-Mirsky theorem

Published on 08 Apr 2026 - 21:06

547

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Question regarding pluriharmonic function

Published on 26 Mar 2026 - 5:36

2.3k

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Inequality proof, why isn't squaring by both sides permissible?

Published on 11 Apr 2026 - 11:54

278

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Strong maximum principle

Published on 09 Apr 2026 - 12:31

94

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Proof of $(1-e^{ix})^{-1}$

Published on 12 Apr 2026 - 22:22

3.7k

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Galois Group for $x^5-1$

Published on 05 Apr 2026 - 20:04

114

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Why is $p$ regular?

Published on 26 Mar 2026 - 17:34

List Question

Help with Proof explanation

$\int_{|x|<t} |\mathcal{F}^{-1}f(x) |dx \leq C t^{\frac{n}{2}}\|f\|_{L^{2}}$?

A simple proof with directional derivatives

Are geometric proofs less reliable than others?

Dummit and Foote page 512 claim

Series expansion in a recurrence relation (Lines in a plane)

Proving that if $n\times n$ Hadamard matrix exists, then 4 divides $n$

Derivation of Euler Lagrange Equation

Proof of Eckart-Young-Mirsky theorem

Question regarding pluriharmonic function

Inequality proof, why isn't squaring by both sides permissible?

Strong maximum principle

Proof of $(1-e^{ix})^{-1}$

Galois Group for $x^5-1$

Why is $p$ regular?

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