List questions from real-analysis

Published on 10 May 2026 - 12:32

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Problem about Riemann lower sum in piecewise-defined function

Published on 15 May 2026 - 16:50

1k

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Confusion in Oscillatory Discontinuity - A Peculiar Example

Published on 15 May 2026 - 8:40

290

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Studying the character of $\sum_{n=3}^\infty \frac{1}{n(\log(\log n))^{\alpha}}$

Published on 24 Apr 2026 - 1:10

46

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Conditions to apply variation of constant méthod on a Cauchy problem

Published on 11 May 2026 - 23:03

78

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A question about counter example of sequence of functions

Published on 11 May 2026 - 5:22

195

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Sequence of sequences convergent but not Cauchy?

Published on 10 May 2026 - 19:16

85

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Evaluate $f(x)=\sum_0^\infty\frac{x^n}{n!!}$.

Published on 16 Apr 2026 - 23:21

108

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Prove that there exists an another path $g$ with the same image as $f$ but length of $g = tL \forall t\in [0,1]$ where $L$ is the length of $f$

Published on 10 May 2026 - 13:50

57

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let f: $R\rightarrow R $ defined by f(x) = min?

Published on 16 Apr 2026 - 10:09

1k

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Epsilon - Delta proof of limit properties at infinity.

Published on 11 May 2026 - 4:36

547

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Counter example which violate uniform continuity...

Published on 10 May 2026 - 15:07

83

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How to decide the neighbourhood when proving a function is locally Lipschitz-continuous.

Published on 10 May 2026 - 21:26

608

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Proving discontinuity using $\epsilon$-$\delta$ form

Published on 11 May 2026 - 4:32

169

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$n$th order linear IVP with explicit time dependent coefficients, existence and uniqueness

Published on 16 Apr 2026 - 15:37

List Question

Solve the wave equation in an infinite sector

Problem about Riemann lower sum in piecewise-defined function

Confusion in Oscillatory Discontinuity - A Peculiar Example

Studying the character of $\sum_{n=3}^\infty \frac{1}{n(\log(\log n))^{\alpha}}$

Conditions to apply variation of constant méthod on a Cauchy problem

A question about counter example of sequence of functions

Sequence of sequences convergent but not Cauchy?

Evaluate $f(x)=\sum_0^\infty\frac{x^n}{n!!}$.

Prove that there exists an another path $g$ with the same image as $f$ but length of $g = tL \forall t\in [0,1]$ where $L$ is the length of $f$

let f: $R\rightarrow R $ defined by f(x) = min?

Epsilon - Delta proof of limit properties at infinity.

Counter example which violate uniform continuity...

How to decide the neighbourhood when proving a function is locally Lipschitz-continuous.

Proving discontinuity using $\epsilon$-$\delta$ form

$n$th order linear IVP with explicit time dependent coefficients, existence and uniqueness

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