Question

Is any $SU(n)$-matrix diagnalizable with an element of $SU(n)$

score 129 · Answer 1 · 2026-03-27 02:02:43

129

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Is any $SU(n)$-matrix diagnalizable with an element of $SU(n)$

Published on 27 Mar 2026 - 2:02

score 47 · Answer 2 · 2021-07-03 13:05:30

47

Views

Finiteness of Schatten $p$-norm of truncated free resolvent

Published on 03 Jul 2021 - 13:05

score 77 · Answer 3 · 2021-07-03 15:29:31

77

Views

Calculating point spectrum of a $\ell ^2$ operator

Published on 03 Jul 2021 - 15:29

score 237 · Answer 4 · 2021-07-03 16:20:56

237

Views

Weyl's criterion for finding the essential spectrum. Necessary and sufficient?

Published on 03 Jul 2021 - 16:20

score 223 · Answer 5 · 2026-04-08 17:05:27

223

Views

About the spectral theorem of self-adjoint operators

Published on 08 Apr 2026 - 17:05

score 33 · Answer 6 · 2021-07-04 21:53:18

33

Views

Need help in proving $\lambda \notin \sigma(M_f) \implies \lambda \notin \text {ess ran} f.$

Published on 04 Jul 2021 - 21:53

score 28 · Answer 7 · 2026-03-25 19:04:26

28

Views

Finding the Reproduction Number and a final epidemic size in an agent-based network model

Published on 25 Mar 2026 - 19:04

score 35 · Answer 8 · 2021-07-09 18:42:37

35

Views

Spectrum of operator based on orthogonal vectors

Published on 09 Jul 2021 - 18:42

score 254 · Answer 9 · 2026-03-31 17:54:45

254

Views

Space of compact operators is the only proper closed two sided ideal of the space of all bounded operators.

Published on 31 Mar 2026 - 17:54

score 139 · Answer 10 · 2026-03-31 17:49:03

139

Views

Show by simple examples that in Null space Theorem the conditions that T be compact and lambda different of zero cannot be omitted.

Published on 31 Mar 2026 - 17:49

score 38 · Answer 11 · 2026-03-27 01:50:45

38

Views

Trying to understand functions of operators.

Published on 27 Mar 2026 - 1:50

score 109 · Answer 12 · 2026-03-31 18:00:12

109

Views

Not Fredholm implies compact?

Published on 31 Mar 2026 - 18:00

score 82 · Answer 13 · 2021-07-18 01:15:32

82

Views

Generating a projection valued measure from a resolution of the identity

Published on 18 Jul 2021 - 1:15

score 298 · Answer 14 · 2026-04-07 18:20:17

298

Views

Composition of unitary operator with its dual is the identity

Published on 07 Apr 2026 - 18:20

score 36 · Answer 15 · 2021-07-19 20:33:29

36

Views

How to apply the spectral (integral) decomposition to the self-adjoint bounded operators $Ax=t\cdot x(t)$.

Published on 19 Jul 2021 - 20:33

List Question

Is any $SU(n)$-matrix diagnalizable with an element of $SU(n)$

Finiteness of Schatten $p$-norm of truncated free resolvent

Calculating point spectrum of a $\ell ^2$ operator

Weyl's criterion for finding the essential spectrum. Necessary and sufficient?

About the spectral theorem of self-adjoint operators

Need help in proving $\lambda \notin \sigma(M_f) \implies \lambda \notin \text {ess ran} f.$

Finding the Reproduction Number and a final epidemic size in an agent-based network model

Spectrum of operator based on orthogonal vectors

Space of compact operators is the only proper closed two sided ideal of the space of all bounded operators.

Show by simple examples that in Null space Theorem the conditions that T be compact and lambda different of zero cannot be omitted.

Trying to understand functions of operators.

Not Fredholm implies compact?

Generating a projection valued measure from a resolution of the identity

Composition of unitary operator with its dual is the identity

How to apply the spectral (integral) decomposition to the self-adjoint bounded operators $Ax=t\cdot x(t)$.

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