List questions from periodic-functions

Published on 11 Oct 2015 - 19:40

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Closed periodic curve

Published on 12 Oct 2015 - 20:41

28

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Is there a natural, circular (toric) Gaussian density?

Published on 15 Mar 2026 - 18:34

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How can $e^x$ be restated for small $x$?

Published on 23 Oct 2015 - 21:01

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Prove that $|f(x)-f(y)|\le|x-y|$ for all $x$ and $y$.

Published on 23 Mar 2026 - 3:51

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proving periodic function f is uniformly continuous

Published on 01 Apr 2026 - 12:53

51

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When talking about periods of a function why is it common to introduce a factor of $2$?

Published on 01 Apr 2026 - 10:42

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Prove or disprove: If $ f $ is periodic, then $|f|$ is also periodic.

Published on 21 Mar 2026 - 12:48

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Is $x_k=\sin(k)$ eventually/periodic?

Published on 26 Mar 2026 - 18:18

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|f| is periodic implies f is periodic

Published on 03 Nov 2015 - 14:16

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How to make a function periodic?

Published on 31 Mar 2026 - 0:31

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if |f| is periodic then f is periodic

Published on 04 Nov 2015 - 10:16

146

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mathematical representation of a pure sinusoidal tone

Published on 23 Mar 2026 - 23:32

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Limit of $\int_E f(nx) dx$ for a $1$-periodic function $f$ on $[0,2\pi]$

Published on 06 Nov 2015 - 22:53

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Function $f$ such that $f$ is non-periodic but $f(f(x))$ is?

Published on 07 Nov 2015 - 17:06

List Question

A function that is zero for every integer multiple of $k$

Closed periodic curve

Is there a natural, circular (toric) Gaussian density?

How can $e^x$ be restated for small $x$?

Prove that $|f(x)-f(y)|\le|x-y|$ for all $x$ and $y$.

proving periodic function f is uniformly continuous

When talking about periods of a function why is it common to introduce a factor of $2$?

Prove or disprove: If $ f $ is periodic, then $|f|$ is also periodic.

Is $x_k=\sin(k)$ eventually/periodic?

|f| is periodic implies f is periodic

How to make a function periodic?

if |f| is periodic then f is periodic

mathematical representation of a pure sinusoidal tone

Limit of $\int_E f(nx) dx$ for a $1$-periodic function $f$ on $[0,2\pi]$

Function $f$ such that $f$ is non-periodic but $f(f(x))$ is?

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