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15
Math.TechQA.Club
2026-03-30 20:42:46
43
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Verify that a set is $\sigma$-weakly dense in a von Neumann algebra
Published on
30 Mar 2026 - 20:42
#operator-algebras
#c-star-algebras
#von-neumann-algebras
76
Views
Is the KO dimension of commutative real spectral triple agree with it's dimension of the manifold?
Published on
26 Mar 2026 - 11:01
#riemannian-geometry
#operator-algebras
#k-theory
#noncommutative-geometry
68
Views
Definition of a Boundary Action
Published on
19 Jan 2021 - 16:47
#general-topology
#group-theory
#operator-algebras
#c-star-algebras
174
Views
Technical lemma about state space of a $C^*$-algebra.
Published on
20 Jan 2021 - 16:51
#functional-analysis
#proof-explanation
#operator-theory
#operator-algebras
#c-star-algebras
119
Views
Prove that sub-convex combination is a contraction
Published on
26 Mar 2026 - 4:50
#operator-theory
#operator-algebras
#fixed-point-theorems
#fixed-points
#contraction-operator
116
Views
Spectral Theory for "Unrepresented" C*-algebras
Published on
24 Feb 2026 - 8:32
#representation-theory
#hilbert-spaces
#operator-algebras
#c-star-algebras
#functional-calculus
162
Views
Pure State Definition Confusion
Published on
30 Mar 2026 - 1:46
#functional-analysis
#hilbert-spaces
#operator-algebras
#c-star-algebras
#dual-spaces
58
Views
Ultraweak convergence on matrix over a von Neumann algebra
Published on
30 Mar 2026 - 20:41
#functional-analysis
#operator-algebras
#c-star-algebras
#von-neumann-algebras
436
Views
norm of the resolvent inequality
Published on
01 Apr 2026 - 2:48
#functional-analysis
#operator-algebras
#spectral-theory
#banach-algebras
74
Views
Determinant of a differential operator of the action variations
Published on
01 Apr 2026 - 18:29
#abstract-algebra
#operator-algebras
#differential
#quantum-mechanics
58
Views
Evaluating a specific integral over the unitary group
Published on
03 Apr 2026 - 5:28
#matrix-calculus
#operator-algebras
#quantum-mechanics
87
Views
Duality Between Semilattices and Totally Disconnected locally Compact Hausdorff Spaces
Published on
23 Feb 2026 - 9:09
#general-topology
#operator-algebras
#noncommutative-algebra
#semigroups
#locales
115
Views
Spectral radius of a matrix in a Banach algebra
Published on
26 Mar 2026 - 22:57
#functional-analysis
#operator-algebras
#spectral-theory
#banach-algebras
#spectral-radius
58
Views
Intuition for universal pair of unitaries and group $C^*$-algebra
Published on
30 Jan 2021 - 20:26
#operator-theory
#operator-algebras
#c-star-algebras
195
Views
Invertible positive elements
Published on
02 Feb 2021 - 22:41
#operator-theory
#operator-algebras
#c-star-algebras
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