Question

Intuitive meaning of the members of the spectrum of a linear operator which are not eigenvalues

score 609 · Answer 1 · 2018-10-06 08:03:00

609

Views

Intuitive meaning of the members of the spectrum of a linear operator which are not eigenvalues

Published on 06 Oct 2018 - 8:03

score 414 · Answer 2 · 2018-10-07 03:18:23

414

Views

Real and imaginary part of an unbounded normal operator

Published on 07 Oct 2018 - 3:18

score 438 · Answer 3 · 2026-03-25 09:50:11

438

Views

Upper bound on norm of linear projection on column space of $X$

Published on 25 Mar 2026 - 9:50

score 23 · Answer 4 · 2026-03-25 11:10:40

23

Views

compactness of weighted resolvent

Published on 25 Mar 2026 - 11:10

score 335 · Answer 5 · 2018-10-14 10:28:39

335

Views

Why is the magnetic Schrödinger operator positive?

Published on 14 Oct 2018 - 10:28

score 70 · Answer 6 · 2026-03-25 17:22:27

70

Views

In Banach algebra $A$ if $a^2=a$ show that $\sigma_A(a)\subseteq\{0,1\}$

Published on 25 Mar 2026 - 17:22

score 100 · Answer 7 · 2026-03-25 12:46:15

100

Views

Spectrum of two operators on Hilbert Space whose difference is compact

Published on 25 Mar 2026 - 12:46

score 131 · Answer 8 · 2026-03-25 06:07:04

131

Views

Does the Laplacian of a path graph have the smallest eigenvalues for any tree graph of equal number of vertices?

Published on 25 Mar 2026 - 6:07

score 74 · Answer 9 · 2018-10-25 13:02:40

74

Views

No embedded point spectra for (discrete) Schrodinger operators with compactly supported potential

Published on 25 Oct 2018 - 13:02

score 105 · Answer 10 · 2026-03-25 03:01:07

105

Views

can we perform SVD in spectral clustering to get top-$k$ eigenvector?

Published on 25 Mar 2026 - 3:01

score 170 · Answer 11 · 2026-03-20 04:34:36

170

Views

Convergence of (unbounded) self-adjoint operators

Published on 20 Mar 2026 - 4:34

score 436 · Answer 12 · 2018-10-26 20:19:51

436

Views

Are eigenvalues of finite multiplicity isolated?

Published on 26 Oct 2018 - 20:19

score 312 · Answer 13 · 2018-10-26 22:55:14

312

Views

Several questions on the mini-max theorem for self-adjoint operators

Published on 26 Oct 2018 - 22:55

score 134 · Answer 14 · 2026-03-25 22:05:56

134

Views

Finding the spectral radius of operator $ T(x)= (0, x_1, 2x_2, x_3, 2x_4,...)$ on $l^{1}$

Published on 25 Mar 2026 - 22:05

score 1.9k · Answer 15 · 2026-03-25 01:40:07

1.9k

Views

Why is the largest eigenvalue of a laplacian matrix equal to the number of nodes in the graph?

Published on 25 Mar 2026 - 1:40

List Question

Intuitive meaning of the members of the spectrum of a linear operator which are not eigenvalues

Real and imaginary part of an unbounded normal operator

Upper bound on norm of linear projection on column space of $X$

compactness of weighted resolvent

Why is the magnetic Schrödinger operator positive?

In Banach algebra $A$ if $a^2=a$ show that $\sigma_A(a)\subseteq\{0,1\}$

Spectrum of two operators on Hilbert Space whose difference is compact

Does the Laplacian of a path graph have the smallest eigenvalues for any tree graph of equal number of vertices?

No embedded point spectra for (discrete) Schrodinger operators with compactly supported potential

can we perform SVD in spectral clustering to get top-$k$ eigenvector?

Convergence of (unbounded) self-adjoint operators

Are eigenvalues of finite multiplicity isolated?

Several questions on the mini-max theorem for self-adjoint operators

Finding the spectral radius of operator $ T(x)= (0, x_1, 2x_2, x_3, 2x_4,...)$ on $l^{1}$

Why is the largest eigenvalue of a laplacian matrix equal to the number of nodes in the graph?

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