List questions from operator-theory

Published on 12 Apr 2026 - 21:15

105

Views

Show that $T: L^2([0,1]) \to L^2([0,1])$, $f(x) \mapsto x \cdot f(x)$ is bounded.

Published on 25 Mar 2026 - 17:42

54

Views

Invertibility of operator $T$ in $L(H)$ where $H=\oplus_{n=1}^{\infty}H_n$

Published on 11 Apr 2026 - 13:21

82

Views

general spectral theory for compact self-adjoint operators

Published on 09 Apr 2026 - 7:09

58

Views

Is the point spectrum of a convolution operator empty?

Published on 11 Apr 2026 - 16:17

35

Views

Does fixed point iteration converges in a second type Fredhom Equation?

Published on 12 Apr 2026 - 17:28

209

Views

Trace inequality for a trace class operator with powers of $x$ and $\nabla$

Published on 27 Mar 2026 - 0:04

204

Views

Question about a proof regarding the spectral radius of a linear bounded operator

Published on 26 Mar 2026 - 9:40

74

Views

Norm of right shift on finite dimensional space

Published on 12 Apr 2026 - 13:54

280

Views

Consistency of Square Root in C*-Algebras (Functional Calculus)

Published on 09 Apr 2026 - 15:23

101

Views

Cone of positive Hilbert-Schmidt operators

Published on 25 Mar 2026 - 6:27

89

Views

Describe the closure of operator S

Published on 27 Mar 2026 - 7:13

553

Views

Norm of linear and self-adjoint operator

Published on 27 Mar 2026 - 7:14

45

Views

Describe the closure and adjont of operator T

Published on 27 Mar 2026 - 8:58

60

Views

Is an abelian $C^*-$ algebra an $AM-$ space?

Published on 06 Apr 2026 - 19:46

List Question

Examples of this $C^*$ Algebra

Show that $T: L^2([0,1]) \to L^2([0,1])$, $f(x) \mapsto x \cdot f(x)$ is bounded.

Invertibility of operator $T$ in $L(H)$ where $H=\oplus_{n=1}^{\infty}H_n$

general spectral theory for compact self-adjoint operators

Is the point spectrum of a convolution operator empty?

Does fixed point iteration converges in a second type Fredhom Equation?

Trace inequality for a trace class operator with powers of $x$ and $\nabla$

Question about a proof regarding the spectral radius of a linear bounded operator

Norm of right shift on finite dimensional space

Consistency of Square Root in C*-Algebras (Functional Calculus)

Cone of positive Hilbert-Schmidt operators

Describe the closure of operator S

Norm of linear and self-adjoint operator

Describe the closure and adjont of operator T

Is an abelian $C^*-$ algebra an $AM-$ space?

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