List questions from spectral-theory

Published on 29 Mar 2024 - 22:06

13

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problem about diagonalizable operator

Published on 18 Mar 2026 - 22:28

51

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Pederson's Analysis now Proposition 4.5.10, Why is this operator equal to $0$?

Published on 23 Feb 2026 - 21:15

59

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Distance random matrix

Published on 27 Mar 2026 - 19:41

129

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Positive Elements: Norm (Decomposition)

Published on 04 Jan 2015 - 21:28

1.7k

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Eigenvalues of compact operator don't have nonzero accumulation points

Published on 04 Jan 2015 - 22:01

225

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Dimension of generalized eigenspace.

Published on 04 Jan 2015 - 22:28

179

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Existance of solution to integral Fredholm equation

Published on 27 Mar 2026 - 14:02

313

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Self adjoint operator has spectrum around 0 and 1

Published on 07 Jan 2015 - 11:36

92

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Image of a projection

Published on 08 Jan 2015 - 15:55

1.8k

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Every normal operator on a separable Hilbert space has a square root that commutes with it

Published on 08 Jan 2015 - 20:11

114

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Finding an explicit formula for $\int_\Gamma (z - A)^{-1} dz$, where $A$ is an operator on $l^p$

Published on 09 Jan 2015 - 1:13

915

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Invariant subspace of self-adjoint operator

Published on 12 Jan 2015 - 22:45

193

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Prove of some properties about unitary operators

Published on 13 Jan 2015 - 15:48

239

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Invariant subspace of bounded self-adjoint operator

Published on 12 Jan 2015 - 23:09

List Question

Upper bound for the norm of the inverse of a particular symmetric positive-definite matrix

problem about diagonalizable operator

Pederson's Analysis now Proposition 4.5.10, Why is this operator equal to $0$?

Distance random matrix

Positive Elements: Norm (Decomposition)

Eigenvalues of compact operator don't have nonzero accumulation points

Dimension of generalized eigenspace.

Existance of solution to integral Fredholm equation

Self adjoint operator has spectrum around 0 and 1

Image of a projection

Every normal operator on a separable Hilbert space has a square root that commutes with it

Finding an explicit formula for $\int_\Gamma (z - A)^{-1} dz$, where $A$ is an operator on $l^p$

Invariant subspace of self-adjoint operator

Prove of some properties about unitary operators

Invariant subspace of bounded self-adjoint operator

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