List questions from functional-calculus

Published on 28 Mar 2017 - 23:53

50

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Response function in weakly coupled differential equations

Published on 30 Jan 2023 - 2:53

60

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Mistake in the Proof for Fundamental lemma of calculus of variation

Published on 23 Feb 2023 - 19:00

68

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Integrating the fractional Laplacian over $\Omega$

Published on 24 Feb 2023 - 17:01

33

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Can functionals mapping from Cartesian products be component-wise decomposed?

Published on 01 Mar 2023 - 0:08

73

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Find all real function $f(x)$ satisfy the functional equation

Published on 09 Mar 2023 - 15:18

83

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All spectral projection is trivial implies the operator is identity?

Published on 13 Mar 2023 - 6:36

258

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Functional derivative of an integral

Published on 23 Feb 2026 - 13:42

49

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Functional determinant inconsistency

Published on 17 Mar 2023 - 13:52

33

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Algebra, functional

Published on 05 Apr 2023 - 15:53

59

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Understanding the functional derivative

Published on 10 Apr 2023 - 8:27

27

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Fractional representation of fundamental solution

Published on 22 Apr 2023 - 8:53

49

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Showing that $||(A-\lambda I)||^{-1}=\frac{1}{d(\lambda,\sigma(A))}$ for $A\in B(H)$ self-adjoint, $\lambda\in\mathbb{C}\setminus\sigma(A)$

Published on 11 May 2023 - 14:42

63

Views

Showing that if $V$ is a closed invariant subspace under $A\in B(H)$ then $V$ is invariant under $f(A)$ for any bounded measurable $f$

Published on 13 May 2023 - 10:15

104

Views

Does the exponential operator $e^{tA}$ defined via functional calculus and via semi group coincide?

Published on 15 May 2023 - 10:31

List Question

Exponential of the Laplacian operator as diffusion equation

Response function in weakly coupled differential equations

Mistake in the Proof for Fundamental lemma of calculus of variation

Integrating the fractional Laplacian over $\Omega$

Can functionals mapping from Cartesian products be component-wise decomposed?

Find all real function $f(x)$ satisfy the functional equation

All spectral projection is trivial implies the operator is identity?

Functional derivative of an integral

Functional determinant inconsistency

Algebra, functional

Understanding the functional derivative

Fractional representation of fundamental solution

Showing that $||(A-\lambda I)||^{-1}=\frac{1}{d(\lambda,\sigma(A))}$ for $A\in B(H)$ self-adjoint, $\lambda\in\mathbb{C}\setminus\sigma(A)$

Showing that if $V$ is a closed invariant subspace under $A\in B(H)$ then $V$ is invariant under $f(A)$ for any bounded measurable $f$

Does the exponential operator $e^{tA}$ defined via functional calculus and via semi group coincide?

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