Question

Can Theorem 3.4.3 of Murphy's book on C*-algebras be proven in a more general setting?

score 175 · Answer 1 · 2020-03-19 16:43:33

175

Views

Can Theorem 3.4.3 of Murphy's book on C*-algebras be proven in a more general setting?

Published on 19 Mar 2020 - 16:43

score 164 · Answer 2 · 2026-03-27 15:06:30

164

Views

Left Ideals in Finite Dimensional $\mathrm{C}^\ast$-Algebras

Published on 27 Mar 2026 - 15:06

score 151 · Answer 3 · 2026-02-23 01:07:31

151

Views

Relationship between weak topology and Gelfand topology (Banach space theory)

Published on 23 Feb 2026 - 1:07

score 93 · Answer 4 · 2026-03-27 15:07:26

93

Views

Isomorphisms of bimodules associated to group representations

Published on 27 Mar 2026 - 15:07

score 92 · Answer 5 · 2020-03-31 20:10:14

92

Views

Question about the GNS representation

Published on 31 Mar 2020 - 20:10

score 448 · Answer 6 · 2020-03-31 21:21:29

448

Views

Simple C*-algebras with finite representations are matrix algebras

Published on 31 Mar 2020 - 21:21

score 122 · Answer 7 · 2020-04-03 12:35:36

122

Views

Equivalent definitions of 'strictly positive' in C*-algebra

Published on 03 Apr 2020 - 12:35

score 239 · Answer 8 · 2026-03-27 03:42:20

239

Views

A finite-dimensional invariant subspace for the left regular representation implies that the group is finite

Published on 27 Mar 2026 - 3:42

score 19 · Answer 9 · 2026-03-25 22:30:50

19

Views

Sublagebra of Right uniform continuous functions on a separable, metrisable groupG with countable dense subset D is G invariant iff D invariant

Published on 25 Mar 2026 - 22:30

score 57 · Answer 10 · 2026-03-25 12:23:51

57

Views

Motivation for studying Operator $K_1$

Published on 25 Mar 2026 - 12:23

score 72 · Answer 11 · 2026-03-27 13:03:27

72

Views

If $A$ is a C*-algebra, $a\in A$ positive and $\varepsilon>0$, then $\|a(a+\varepsilon)^{-1}\|\leq1$.

Published on 27 Mar 2026 - 13:03

score 57 · Answer 12 · 2026-02-23 10:14:13

57

Views

General question about functional calculus

Published on 23 Feb 2026 - 10:14

score 41 · Answer 13 · 2020-04-06 17:46:04

41

Views

Preservation of meets by a -homomorphism between $C^$-algebras

Published on 06 Apr 2020 - 17:46

score 118 · Answer 14 · 2020-04-07 00:57:11

118

Views

$C^*$-algebra books recommendations

Published on 07 Apr 2020 - 0:57

score 137 · Answer 15 · 2026-03-27 14:58:58

137

Views

$C^\ast$-algebra theory associates a compact Hausdorff space to every measure space. What is this compact Hausdorff space?

Published on 27 Mar 2026 - 14:58

List Question

Can Theorem 3.4.3 of Murphy's book on C*-algebras be proven in a more general setting?

Left Ideals in Finite Dimensional $\mathrm{C}^\ast$-Algebras

Relationship between weak topology and Gelfand topology (Banach space theory)

Isomorphisms of bimodules associated to group representations

Question about the GNS representation

Simple C*-algebras with finite representations are matrix algebras

Equivalent definitions of 'strictly positive' in C*-algebra

A finite-dimensional invariant subspace for the left regular representation implies that the group is finite

Sublagebra of Right uniform continuous functions on a separable, metrisable groupG with countable dense subset D is G invariant iff D invariant

Motivation for studying Operator $K_1$

If $A$ is a C*-algebra, $a\in A$ positive and $\varepsilon>0$, then $\|a(a+\varepsilon)^{-1}\|\leq1$.

General question about functional calculus

Preservation of meets by a -homomorphism between $C^$-algebras

$C^*$-algebra books recommendations

$C^\ast$-algebra theory associates a compact Hausdorff space to every measure space. What is this compact Hausdorff space?

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