Question

How to prove that the convolution product is commutative?

score 209 · Answer 1 · 2022-11-04 16:42:05

209

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How to prove that the convolution product is commutative?

Published on 04 Nov 2022 - 16:42

score 55 · Answer 2 · 2026-04-10 23:14:26

55

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Is the following convolution property true?

Published on 10 Apr 2026 - 23:14

score 75 · Answer 3 · 2026-04-09 09:42:21

75

Views

how to convert analytic integral into sum

Published on 09 Apr 2026 - 9:42

score 18 · Answer 4 · 2022-11-11 17:18:22

$p(x)$ Polynom with degree $k$, show each integrable function $a(x)$, the convolution $a(x) * p(x)$ is a polynom of max degree $k$

score 81 · Answer 5 · 2026-04-01 23:08:38

81

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For X,Y iid random variables, show $\phi_{X-Y}(t) \geq 0$

Published on 01 Apr 2026 - 23:08

score 115 · Answer 6 · 2022-11-12 15:04:51

115

Views

On the convexity of the convolution of two strictly decreasing functions

Published on 12 Nov 2022 - 15:04

score 34 · Answer 7 · 2026-04-11 21:06:30

34

Views

Convolution of two $l^{2}$ sequences

Published on 11 Apr 2026 - 21:06

score 128 · Answer 8 · 2026-04-11 21:53:35

128

Views

Showing that the pmf of any two discrete random variables is given by the convolution of the individual pmf

Published on 11 Apr 2026 - 21:53

score 55 · Answer 9 · 2022-11-16 00:41:10

55

Views

The set $L^2 (G) = {f : G → C}$ forms a vector space over C?

Published on 16 Nov 2022 - 0:41

score 35 · Answer 10 · 2026-04-12 00:35:28

35

Views

I am having trouble understanding what is meant when the output of a matrix decoder is in the set of all real numbers

Published on 12 Apr 2026 - 0:35

score 233 · Answer 11 · 2026-04-06 15:38:31

233

Views

Convolution between a sinc and a Dirac comb

Published on 06 Apr 2026 - 15:38

score 208 · Answer 12 · 2026-04-05 04:13:39

208

Views

Convolution of two exponentially decaying functions also decay exponentially

Published on 05 Apr 2026 - 4:13

score 33 · Answer 13 · 2022-11-20 17:05:35

33

Views

Finding a suitable mollifier $\phi$ so that $\lim_{k\to\infty}||f - h\ast\phi||_\infty=0$ for a continuous function $f$ vanishing at the infinity

Published on 20 Nov 2022 - 17:05

score 207 · Answer 14 · 2022-11-22 09:34:18

207

Views

Lower bound on $L^2$-norm of derivative

Published on 22 Nov 2022 - 9:34

score 92 · Answer 15 · 2022-11-22 14:24:30

92

Views

Upper bound on convolution with the exponential function

Published on 22 Nov 2022 - 14:24

List Question

How to prove that the convolution product is commutative?

Is the following convolution property true?

how to convert analytic integral into sum

$p(x)$ Polynom with degree $k$, show each integrable function $a(x)$, the convolution $a(x) * p(x)$ is a polynom of max degree $k$

For X,Y iid random variables, show $\phi_{X-Y}(t) \geq 0$

On the convexity of the convolution of two strictly decreasing functions

Convolution of two $l^{2}$ sequences

Showing that the pmf of any two discrete random variables is given by the convolution of the individual pmf

The set $L^2 (G) = {f : G → C}$ forms a vector space over C?

I am having trouble understanding what is meant when the output of a matrix decoder is in the set of all real numbers

Convolution between a sinc and a Dirac comb

Convolution of two exponentially decaying functions also decay exponentially

Finding a suitable mollifier $\phi$ so that $\lim_{k\to\infty}||f - h\ast\phi||_\infty=0$ for a continuous function $f$ vanishing at the infinity

Lower bound on $L^2$-norm of derivative

Upper bound on convolution with the exponential function

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