List questions from proof-explanation

Published on 07 Apr 2019 - 14:56

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polynomial everywhere positive property.

Published on 07 Apr 2019 - 15:19

296

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Proof of the Alaoglu Theorem

Published on 25 Mar 2026 - 12:55

57

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explanation of this example which shows that $(f,\mu)$ ergodic does not imply $(f \times f, \mu \times \mu)$ ergodic

Published on 26 Mar 2026 - 12:50

40

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Real Numbers Proof

Published on 08 Apr 2019 - 4:28

201

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Having trouble figuring out when to use induction or direct proof.

Published on 25 Mar 2026 - 12:55

67

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Question about solution in a book

Published on 08 Apr 2019 - 12:32

303

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An integer with cubic root that is not constructible

Published on 25 Mar 2026 - 15:45

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Solve $(5+2\sqrt{6})^{x^2-3}+(5-2\sqrt{6})^{x^2-3}=10$

Published on 26 Mar 2026 - 12:06

57

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First order PDEs (Cauchy Problem)

Published on 29 Mar 2026 - 13:46

88

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[Baby Rudin's proof]. Continuity of mapping in metric space

Published on 09 Apr 2019 - 10:30

57

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Dot product / PDEs, compatibility condition

Published on 29 Mar 2026 - 13:39

1.3k

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Application of Taylor's theorem, Baby Rudin 5.15

Published on 01 Apr 2026 - 9:45

170

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Prove that for all trees G = (V, Ε) and all vertices $c\in V$, if υ has at least two neighbours, then ν is a cut vertex of G using induction.

Published on 31 Mar 2026 - 22:26

294

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Doubt in proof of Euclidean Algorithm

Published on 25 Mar 2026 - 18:52

List Question

A question about topological space locally path connected.

polynomial everywhere positive property.

Proof of the Alaoglu Theorem

explanation of this example which shows that $(f,\mu)$ ergodic does not imply $(f \times f, \mu \times \mu)$ ergodic

Real Numbers Proof

Having trouble figuring out when to use induction or direct proof.

Question about solution in a book

An integer with cubic root that is not constructible

Solve $(5+2\sqrt{6})^{x^2-3}+(5-2\sqrt{6})^{x^2-3}=10$

First order PDEs (Cauchy Problem)

[Baby Rudin's proof]. Continuity of mapping in metric space

Dot product / PDEs, compatibility condition

Application of Taylor's theorem, Baby Rudin 5.15

Prove that for all trees G = (V, Ε) and all vertices $c\in V$, if υ has at least two neighbours, then ν is a cut vertex of G using induction.

Doubt in proof of Euclidean Algorithm

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