List questions from semigroup-of-operators

Published on 22 Sep 2020 - 17:07

175

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The semi-group property of Riesz potentials in higher dimensions

Published on 27 Mar 2026 - 0:05

20

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Where can i find proof of this Lemma? $S(t)$ is the heat semigroup. If $p \geq 1$, then $[S(t)u_0]^p \leq S(t)u^p_0$

Published on 15 Oct 2020 - 17:28

58

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Determine the generator of a contractive semigroup acting on bounded measurable functions by a solution to a martingale problem

Published on 08 Nov 2020 - 11:51

106

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Commutation of $c_0$-semigroups

Published on 13 Nov 2020 - 22:35

98

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The derivative operator generates a $C^0$-semigroup on $L^2(0,1)$

Published on 29 Nov 2020 - 23:18

65

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Why do we talk about $C_0$-semigroups and not $C_0$-monoids?

Published on 01 Jan 2021 - 18:05

325

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Is the heat semigroup $P_t$ smooth for any function $f$ for which $P_tf$ is well-defined?

Published on 08 Jan 2021 - 14:56

48

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$C_0$-semi-group of a finite-state Markov chain

Published on 20 Jan 2021 - 13:33

17

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Densly defined $C_{0}$-semigroup extension

Published on 24 Jan 2021 - 23:20

32

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Realization of operators and semigroups

Published on 26 Jan 2021 - 15:53

181

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Mild solution of abstract Cauchy problem.

Published on 28 Jan 2021 - 16:04

84

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Simple question about infinitesimal generator of uniformly continuous -semigroup

Published on 29 Jan 2021 - 10:36

155

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Proving strong continuity of semigroup in $L^2(\mu)$ ($\mu$ invariant measure) from non-cadlag Markov process

Published on 23 Feb 2026 - 19:44

603

Views

Eigenvalues and semigroup generated by the Laplacian

Published on 14 Feb 2021 - 11:48

List Question

What is a $C^\infty$ regularizing contraction semigroup?

The semi-group property of Riesz potentials in higher dimensions

Where can i find proof of this Lemma? $S(t)$ is the heat semigroup. If $p \geq 1$, then $[S(t)u_0]^p \leq S(t)u^p_0$

Determine the generator of a contractive semigroup acting on bounded measurable functions by a solution to a martingale problem

Commutation of $c_0$-semigroups

The derivative operator generates a $C^0$-semigroup on $L^2(0,1)$

Why do we talk about $C_0$-semigroups and not $C_0$-monoids?

Is the heat semigroup $P_t$ smooth for any function $f$ for which $P_tf$ is well-defined?

$C_0$-semi-group of a finite-state Markov chain

Densly defined $C_{0}$-semigroup extension

Realization of operators and semigroups

Mild solution of abstract Cauchy problem.

Simple question about infinitesimal generator of uniformly continuous -semigroup

Proving strong continuity of semigroup in $L^2(\mu)$ ($\mu$ invariant measure) from non-cadlag Markov process

Eigenvalues and semigroup generated by the Laplacian

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