Question

Proving that an expression is zero for all continuous complex valued functions on $[0,1]$

score 37 · Answer 1 · 2021-04-11 22:20:09

37

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Proving that an expression is zero for all continuous complex valued functions on $[0,1]$

Published on 11 Apr 2021 - 22:20

score 223 · Answer 2 · 2026-04-06 01:41:05

223

Views

Karhunen-Loeve expansion of non-centered processes

Published on 06 Apr 2026 - 1:41

score 142 · Answer 3 · 2026-04-08 08:43:04

142

Views

Bounded self-adjoint operator satisfying $A^2-A\leq 0$ satisfies $0\leq A\leq 1$?

Published on 08 Apr 2026 - 8:43

score 71 · Answer 4 · 2026-04-01 07:17:09

71

Views

Meaning of does not separate zero from infinity

Published on 01 Apr 2026 - 7:17

score 308 · Answer 5 · 2026-03-30 12:57:37

308

Views

Eigenvalues of an operator in an infinite-dimensional Hilbert space

Published on 30 Mar 2026 - 12:57

score 100 · Answer 6 · 2021-04-17 17:38:52

100

Views

How can i find an estimation of the inverse operator $\|(I - T)^{-1}\|$

Published on 17 Apr 2021 - 17:38

score 156 · Answer 7 · 2026-04-08 02:31:54

156

Views

conditions for the existence of the inverse of spectral operator as a bounded linear operator

Published on 08 Apr 2026 - 2:31

score 58 · Answer 8 · 2021-04-19 00:48:38

58

Views

$A$ is a compact and Hermitian operator-- if all eigenvalues of $A$ are non-negative, then $\langle Ax,x \rangle \geq 0 $

Published on 19 Apr 2021 - 0:48

score 37 · Answer 9 · 2026-04-01 07:23:52

37

Views

Relation between spectrums of algebra and subalgebra

Published on 01 Apr 2026 - 7:23

score 119 · Answer 10 · 2021-04-19 13:57:17

119

Views

Inverse operator being bounded and linear

Published on 19 Apr 2021 - 13:57

score 493 · Answer 11 · 2021-04-19 16:29:15

493

Views

Dimension of eigenspaces of compact, self adjoint operator are finite?

Published on 19 Apr 2021 - 16:29

score 98 · Answer 12 · 2026-04-07 18:02:31

98

Views

Complex interpolation of spaces defined by operator with bounded imaginary powers

Published on 07 Apr 2026 - 18:02

score 73 · Answer 13 · 2026-04-01 07:17:23

73

Views

Iff conditions for $f(a)=g(a)$ for a nilpotent element $a$ in a Banach algebra

Published on 01 Apr 2026 - 7:17

score 68 · Answer 14 · 2021-04-21 14:22:37

Why a closed unbounded operator with compact resolvent has its spectrum consisting of eigenvalues with finite multiplicity?

score 105 · Answer 15 · 2021-04-21 22:17:02

105

Views

Intuition question about the spectral definition of expander graphs

Published on 21 Apr 2021 - 22:17

List Question

Proving that an expression is zero for all continuous complex valued functions on $[0,1]$

Karhunen-Loeve expansion of non-centered processes

Bounded self-adjoint operator satisfying $A^2-A\leq 0$ satisfies $0\leq A\leq 1$?

Meaning of does not separate zero from infinity

Eigenvalues of an operator in an infinite-dimensional Hilbert space

How can i find an estimation of the inverse operator $\|(I - T)^{-1}\|$

conditions for the existence of the inverse of spectral operator as a bounded linear operator

$A$ is a compact and Hermitian operator-- if all eigenvalues of $A$ are non-negative, then $\langle Ax,x \rangle \geq 0 $

Relation between spectrums of algebra and subalgebra

Inverse operator being bounded and linear

Dimension of eigenspaces of compact, self adjoint operator are finite?

Complex interpolation of spaces defined by operator with bounded imaginary powers

Iff conditions for $f(a)=g(a)$ for a nilpotent element $a$ in a Banach algebra

Why a closed unbounded operator with compact resolvent has its spectrum consisting of eigenvalues with finite multiplicity?

Intuition question about the spectral definition of expander graphs

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