List questions from operator-algebras

Published on 27 Mar 2026 - 11:45

549

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A lemma about quasicentral-approximate-unit

Published on 29 Mar 2026 - 19:09

348

Views

A question about finite-rank projection on Hilbert space

Published on 02 Nov 2014 - 9:52

1k

Views

$p$ is a projection iff $p$ is normal the spectrum of $p$ is contained in $\{0,1\}$

Published on 02 Nov 2014 - 18:20

93

Views

A question about finite-rank projection

Published on 29 Mar 2026 - 19:10

99

Views

How to prove the following isomorphism?

Published on 02 Nov 2014 - 18:44

257

Views

continuous functional calculus; spectrum of an self adjoint element in a c*algebra

Published on 23 Feb 2026 - 6:42

478

Views

WOT convergence to SOT convergence

Published on 05 Nov 2014 - 10:28

134

Views

Show that a space X is homeomorphic to the space of multiplicative linear functionals

Published on 06 Nov 2014 - 4:32

169

Views

I need help with a proof: invertibility of $b-\lambda$ in $B$ iff $b-\lambda $ invertible in $A$

Published on 08 Nov 2014 - 9:03

126

Views

Positive elements of a $C^*$-algbera form a poset

Published on 08 Nov 2014 - 18:51

583

Views

Is the left regular representation of an algebra, always faithful?

Published on 27 Mar 2026 - 4:58

233

Views

A question about maximal and minimal tensor product

Published on 09 Nov 2014 - 10:26

131

Views

A question about local convexity of the weak operator topology

Published on 27 Mar 2026 - 4:23

64

Views

C*-algebra generated by the symmetric on 3 elements

Published on 10 Nov 2014 - 17:51

List Question

QD C*-algebra's representation theorem

A lemma about quasicentral-approximate-unit

A question about finite-rank projection on Hilbert space

$p$ is a projection iff $p$ is normal the spectrum of $p$ is contained in $\{0,1\}$

A question about finite-rank projection

How to prove the following isomorphism?

continuous functional calculus; spectrum of an self adjoint element in a c*algebra

WOT convergence to SOT convergence

Show that a space X is homeomorphic to the space of multiplicative linear functionals

I need help with a proof: invertibility of $b-\lambda$ in $B$ iff $b-\lambda $ invertible in $A$

Positive elements of a $C^*$-algbera form a poset

Is the left regular representation of an algebra, always faithful?

A question about maximal and minimal tensor product

A question about local convexity of the weak operator topology

C*-algebra generated by the symmetric on 3 elements

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