User Cauchy's Sequence - Mathematics Stack Exchange

Cauchy's Sequence

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13 Answers

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6 votes

Find the derivative of a difficult integral

answered Mar 19 at 8:12

2 votes

Accepted

Decomposition of a closed set into a perfect set and an at most countable set is unique.

answered Mar 19 at 16:49

2 votes

Proof explanation: If $a\equiv b\pmod {p^n}$, then $a^p\equiv b^p\pmod {p^{n+1}}$

answered Mar 24 at 14:33

2 votes

Accepted

No identity for convolution (without Fourier)

answered Jun 17, 2022 at 10:44

1 vote

If $f$ is a convex increasing function, then $\lim_{x\rightarrow -\infty} \frac{1}{x}\int_{x}^{x_0}f(t)dt=-\lim_{x\rightarrow -\infty}f(x)$

answered Jul 5, 2022 at 20:53

1 vote

Show that $P$ is normal if and only if it is an orthogonal projection.

answered Mar 19 at 21:02

1 vote

Find Lebesgue measurable sets such that the measure of intersection is product of measures.

answered Sep 12 at 20:01

1 vote

Can we change the definition of negative exponents?

answered Nov 4 at 12:38

1 vote

Accepted

$\{ f\in C[0,1]:\exists K: |f(x)|\leq Kx\}$ is closed

answered Nov 4 at 13:09

0 votes

How to find the derivative of a definite integral where one of the limits is itself an integral

answered Nov 4 at 13:30

0 votes

Accepted

Alternative proof that the weak gradient is $0$ a.e. on level sets

answered Jun 29 at 12:41

0 votes

Accepted

Covering a countable metric space with finitely many subsets of bounded diameter

answered Oct 18, 2020 at 7:04

0 votes

Why do limits results change with algebraic manipulation?

answered Oct 21, 2020 at 19:43