List questions from operator-algebras

Published on 05 Jul 2019 - 14:40

94

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Constructing the identity element of a matrix algebra generated by a single matrix

Published on 26 Mar 2026 - 18:29

98

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Borel functional calculus and point evaluation

Published on 06 Jul 2019 - 10:29

83

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Find the spectral projection of a positive operator explicitly

Published on 26 Mar 2026 - 18:41

113

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How to show the existence of the sequence using the Kaplansky's density theorem

Published on 26 Mar 2026 - 18:41

123

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Does the kernel of a positive linear functional have a left identity?

Published on 09 Jul 2019 - 23:42

139

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Compute the $K$-theories of crossed products $K_0(C_0(\mathbb N\times G)\rtimes_r G)$ and $K_0(\ell^\infty(\mathbb N,C_0(G))\rtimes_r G)$

Published on 25 Mar 2026 - 7:46

72

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Is the statement "Projection on kernel of $D\in\tilde A$ is element of $A$" correct or an error in the paper?

Published on 27 Mar 2026 - 4:18

131

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Jordan decomposition for mappings between C*algebras

Published on 25 Mar 2026 - 9:24

39

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Non determinant -class operators satisfing $A^2+I=0$

Published on 20 Jul 2019 - 11:49

52

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Weak limit of continuous operator

Published on 25 Mar 2026 - 14:32

67

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Extension of $$-representation from an algebraic corner of a $$-algebra

Published on 22 Jul 2019 - 8:29

197

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Embedding a Hilbert space into the bounded operators on a Hilbert space

Published on 22 Jul 2019 - 22:43

43

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the semigroup $D(\Bbb C)$

Published on 27 Mar 2026 - 0:53

134

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Tracial States, Strictly Positive Elements, and Commutators

Published on 27 Mar 2026 - 12:07

List Question

unitisation of a unital $C^*$ algebra

Constructing the identity element of a matrix algebra generated by a single matrix

Borel functional calculus and point evaluation

Find the spectral projection of a positive operator explicitly

How to show the existence of the sequence using the Kaplansky's density theorem

Does the kernel of a positive linear functional have a left identity?

Compute the $K$-theories of crossed products $K_0(C_0(\mathbb N\times G)\rtimes_r G)$ and $K_0(\ell^\infty(\mathbb N,C_0(G))\rtimes_r G)$

Is the statement "Projection on kernel of $D\in\tilde A$ is element of $A$" correct or an error in the paper?

Jordan decomposition for mappings between C*algebras

Non determinant -class operators satisfing $A^2+I=0$

Weak limit of continuous operator

Extension of $$-representation from an algebraic corner of a $$-algebra

Embedding a Hilbert space into the bounded operators on a Hilbert space

the semigroup $D(\Bbb C)$

Tracial States, Strictly Positive Elements, and Commutators

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