List questions from semigroup-of-operators

Published on 23 May 2023 - 4:46

77

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Equivalent definitions of a dissipative operators in Banach Space

Published on 25 May 2023 - 23:04

139

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Intuitively, why does the spectral gap control the speed of convergence to equilibrium.

Published on 08 Jun 2023 - 16:05

50

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Are there good bounds for the norm of a uniformly continuous semigorup $e^{tA}$ in terms of its generator $A$?

Published on 11 Jun 2023 - 21:20

35

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On subadditive functions everywhere finite bounded on compact sets

Published on 12 Jun 2023 - 19:43

31

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Reference of duality in Markov Semigroup

Published on 14 Jun 2023 - 23:58

56

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Using Semigroup Theory of Linear Operators to show that the operator $(-\Delta)^s$ is closed.

Published on 25 Mar 2026 - 7:44

45

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Positivity of semigroup $(P_t)_{t\geq0}$ implies its contractivity, $\| P_tf\| \leq \|f\|$

Published on 25 Mar 2026 - 17:42

108

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Proving the existence of a solution of the fractional heat equation using semigroup methods

Published on 25 Mar 2026 - 14:25

57

Views

$L^p$ implies continuity in some way

Published on 19 Jun 2023 - 9:07

145

Views

Verifying that the Laplacian is the infinitesimal generator of a semigroup.

Published on 26 Jun 2023 - 23:41

39

Views

Interpretation of condition probability of $X_0 = x$ for a Markov process and semigroup $(P_t)$

Published on 27 Jun 2023 - 21:39

15

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Generator of a transformed semigroup

Published on 30 Jun 2023 - 13:56

152

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Non-existence of Banach-Tarski in the plane from non-existence on the line

Published on 25 Mar 2026 - 22:05

33

Views

Is there a version of Floquet-Bloch theory for semigroups?

Published on 03 Jul 2023 - 8:10

List Question

How can I prove $L^p$ continuity of the left-shift operator?

Equivalent definitions of a dissipative operators in Banach Space

Intuitively, why does the spectral gap control the speed of convergence to equilibrium.

Are there good bounds for the norm of a uniformly continuous semigorup $e^{tA}$ in terms of its generator $A$?

On subadditive functions everywhere finite bounded on compact sets

Reference of duality in Markov Semigroup

Using Semigroup Theory of Linear Operators to show that the operator $(-\Delta)^s$ is closed.

Positivity of semigroup $(P_t)_{t\geq0}$ implies its contractivity, $\| P_tf\| \leq \|f\|$

Proving the existence of a solution of the fractional heat equation using semigroup methods

$L^p$ implies continuity in some way

Verifying that the Laplacian is the infinitesimal generator of a semigroup.

Interpretation of condition probability of $X_0 = x$ for a Markov process and semigroup $(P_t)$

Generator of a transformed semigroup

Non-existence of Banach-Tarski in the plane from non-existence on the line

Is there a version of Floquet-Bloch theory for semigroups?

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