List questions from spectral-theory

Published on 10 Mar 2015 - 4:23

743

Views

How to show Legendre Operator $L_{m}=-\frac{d}{dx}(1-x^{2})\frac{d}{dx}+\frac{m^{2}}{1-x^{2}}$ is Selfadjoint?

Published on 10 Mar 2015 - 8:11

248

Views

Why the equality of spectral zeta functions imply the isospectrality?

Published on 29 Mar 2026 - 15:16

291

Views

Heat operator formalism via spectral projections and Dirac measure

Published on 10 Mar 2015 - 12:27

561

Views

Several questions about integral operators.

Published on 25 Mar 2026 - 9:31

1.5k

Views

Eigenvalue of the sum of a symmetric matrix and the outer product of it's eigenvector

Published on 14 Mar 2015 - 1:18

175

Views

bounds of spectral radius of hadamard product

Published on 15 Mar 2015 - 15:02

2.1k

Views

What are criteria to tell when the point spectrum is discrete?

Published on 16 Mar 2015 - 1:17

739

Views

Relation between residual spectrum and point spectrum.

Published on 17 Mar 2015 - 4:53

1.7k

Views

Convergence of the spectrum under norm resolvent convergence

Published on 17 Mar 2015 - 11:29

534

Views

Discrete and Essential spectrum of Laplacian in $\mathbb R_{+}$ (with weird boundary conditions)

Published on 19 Mar 2015 - 23:19

75

Views

About prime geodesic cycles and deck transformations group

Published on 29 Mar 2026 - 14:01

204

Views

A sequence of strongly continuous one-parameter unitary groups

Published on 20 Mar 2015 - 19:15

78

Views

Extension of a self adjoint Operator

Published on 20 Mar 2015 - 20:27

85

Views

Spectral Theorem for bounded, selfadjoint operators

Published on 22 Mar 2015 - 19:23

List Question

Question on the spectral radius, regular splitting, and non-singularity/non-negativity

How to show Legendre Operator $L_{m}=-\frac{d}{dx}(1-x^{2})\frac{d}{dx}+\frac{m^{2}}{1-x^{2}}$ is Selfadjoint?

Why the equality of spectral zeta functions imply the isospectrality?

Heat operator formalism via spectral projections and Dirac measure

Several questions about integral operators.

Eigenvalue of the sum of a symmetric matrix and the outer product of it's eigenvector

bounds of spectral radius of hadamard product

What are criteria to tell when the point spectrum is discrete?

Relation between residual spectrum and point spectrum.

Convergence of the spectrum under norm resolvent convergence

Discrete and Essential spectrum of Laplacian in $\mathbb R_{+}$ (with weird boundary conditions)

About prime geodesic cycles and deck transformations group

A sequence of strongly continuous one-parameter unitary groups

Extension of a self adjoint Operator

Spectral Theorem for bounded, selfadjoint operators

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