Question

Functions with compact support and $C^{\infty}$

score 135 · Answer 1 · 2026-04-11 14:58:03

135

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Functions with compact support and $C^{\infty}$

Published on 11 Apr 2026 - 14:58

score 135 · Answer 2 · 2026-04-20 10:07:21

135

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Are sets of point convergence of Borel functions Borel?

Published on 20 Apr 2026 - 10:07

score 1.1k · Answer 3 · 2026-04-12 21:21:56

1.1k

Views

Inverse Fourier Transform Formula on $L^2.$

Published on 12 Apr 2026 - 21:21

score 28 · Answer 4 · 2026-04-10 20:54:59

28

Views

Convergence of the square of a positive sequence to the square of a positive function

Published on 10 Apr 2026 - 20:54

score 153 · Answer 5 · 2026-04-14 12:11:53

153

Views

Is a product of semi-algebras a semi-algebra itself?

Published on 14 Apr 2026 - 12:11

score 3.7k · Answer 6 · 2026-04-13 09:23:40

3.7k

Views

How to prove that a function is Riemann integrable if and only if it is Darboux integrable?

Published on 13 Apr 2026 - 9:23

score 324 · Answer 7 · 2026-04-14 21:53:27

324

Views

Convergence of series ${\sum_{n >= 1} \sqrt{n}\ln(\cosh(1/n))}$

Published on 14 Apr 2026 - 21:53

score 108 · Answer 8 · 2026-04-11 12:56:45

108

Views

Phase portrait of a $3\times 3$ matrix

Published on 11 Apr 2026 - 12:56

score 104 · Answer 9 · 2026-04-16 14:34:45

104

Views

Calculate $\lim_{n\rightarrow +\infty}n\int_X\log\biggl(1+\frac{f(x)}{n}\biggl)d\mu$

Published on 16 Apr 2026 - 14:34

score 79 · Answer 10 · 2026-04-12 12:09:03

79

Views

Convex function dominance

Published on 12 Apr 2026 - 12:09

score 41 · Answer 11 · 2026-04-17 11:36:14

41

Views

Intervall of definition of the solution of a Cauchy problem

Published on 17 Apr 2026 - 11:36

score 84 · Answer 12 · 2026-04-14 02:16:18

If $\mu$ is a vector measure and $\nu$ is a measure with $\left\|\mu\right\|\le\nu$ on a generating semiring, are we able to conclude $|\mu|\le\nu$?

score 124 · Answer 13 · 2026-04-15 04:58:37

124

Views

How does one prove $\sum_{n=0}^\infty \frac{(-1)^n}{(n+1)(n+2)} = 2 \log 2 -1$?

Published on 15 Apr 2026 - 4:58

score 220 · Answer 14 · 2026-04-12 19:00:17

Is there a Lebesgue integrable function $f$ such that the set of points on no neighborhood of which $f$ is bounded has positive Lebesgue measure?

score 396 · Answer 15 · 2026-04-23 06:33:48

396

Views

Help with Epsilon-Delta proof of Limit at infinity Quotient

Published on 23 Apr 2026 - 6:33

List Question

Functions with compact support and $C^{\infty}$

Are sets of point convergence of Borel functions Borel?

Inverse Fourier Transform Formula on $L^2.$

Convergence of the square of a positive sequence to the square of a positive function

Is a product of semi-algebras a semi-algebra itself?

How to prove that a function is Riemann integrable if and only if it is Darboux integrable?

Convergence of series ${\sum_{n >= 1} \sqrt{n}\ln(\cosh(1/n))}$

Phase portrait of a $3\times 3$ matrix

Calculate $\lim_{n\rightarrow +\infty}n\int_X\log\biggl(1+\frac{f(x)}{n}\biggl)d\mu$

Convex function dominance

Intervall of definition of the solution of a Cauchy problem

If $\mu$ is a vector measure and $\nu$ is a measure with $\left\|\mu\right\|\le\nu$ on a generating semiring, are we able to conclude $|\mu|\le\nu$?

How does one prove $\sum_{n=0}^\infty \frac{(-1)^n}{(n+1)(n+2)} = 2 \log 2 -1$?

Is there a Lebesgue integrable function $f$ such that the set of points on no neighborhood of which $f$ is bounded has positive Lebesgue measure?

Help with Epsilon-Delta proof of Limit at infinity Quotient

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