List questions from operator-theory

Published on 13 Apr 2026 - 19:12

48

Views

Is this relation between $ \sigma( T)$ and $\sigma( e^{iT})$ true?

Published on 13 Apr 2026 - 2:35

29

Views

$\|T_{2}\|<\infty \implies \|T_2x\|_{Y} \leq C'' \|x\|_{X}$

Published on 24 Apr 2026 - 8:11

51

Views

Showing that the following operator is continuous

Published on 11 Apr 2026 - 4:32

68

Views

‎$‎A‎$ ‎is a ‎$ ‎C‎^{*}$-‎algebra‎ .........

Published on 15 Apr 2026 - 9:03

118

Views

Two questions about positive elements in a C$^*$-algebra

Published on 12 Apr 2026 - 11:35

850

Views

Find the norm of the linear operator $Ax=t^2x(t)$

Published on 14 Apr 2026 - 10:55

120

Views

Positive definite matrix and it's eigenvalue.

Published on 13 Apr 2026 - 12:55

365

Views

Finding the norm of linear functional f(x)

Published on 24 Apr 2026 - 6:46

58

Views

Wheter the given function is integrable or not?

Published on 26 Mar 2026 - 4:49

93

Views

$C^{*}$-algebra and continuous linear map

Published on 14 Apr 2026 - 13:42

91

Views

Show that if , $0 \le a \le b$ , then $\|a\| \le \|b\|$

Published on 11 Apr 2026 - 20:45

122

Views

What is the two norm of $\text{diag}\{a_1,a_2,\dots,a_n\}\left[\begin{smallmatrix}\exp(x_1)\\\exp(x_2)\\\vdots\\\exp(x_n)\end{smallmatrix}\right]$

Published on 24 Apr 2026 - 9:49

75

Views

Show that there are no self-adjoint Operators on the ball

Published on 16 Apr 2026 - 8:11

552

Views

Example for $\text {End}(V \otimes W) $ not isomorphic to $\text{End}(V) \otimes \text{End}(W)$

Published on 16 Apr 2026 - 5:18

List Question

$C^{*} $ algebra

Is this relation between $ \sigma( T)$ and $\sigma( e^{iT})$ true?

$\|T_{2}\|<\infty \implies \|T_2x\|_{Y} \leq C'' \|x\|_{X}$

Showing that the following operator is continuous

‎$‎A‎$ ‎is a ‎$ ‎C‎^{*}$-‎algebra‎ .........

Two questions about positive elements in a C$^*$-algebra

Find the norm of the linear operator $Ax=t^2x(t)$

Positive definite matrix and it's eigenvalue.

Finding the norm of linear functional f(x)

Wheter the given function is integrable or not?

$C^{*}$-algebra and continuous linear map

Show that if , $0 \le a \le b$ , then $\|a\| \le \|b\|$

What is the two norm of $\text{diag}\{a_1,a_2,\dots,a_n\}\left[\begin{smallmatrix}\exp(x_1)\\\exp(x_2)\\\vdots\\\exp(x_n)\end{smallmatrix}\right]$

Show that there are no self-adjoint Operators on the ball

Example for $\text {End}(V \otimes W) $ not isomorphic to $\text{End}(V) \otimes \text{End}(W)$

Trending Questions

Popular # Hahtags

Popular Questions