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15
Math.TechQA.Club
2026-04-01 13:39:54
90
Views
Does Hilbert $C^*$-modules have orthonormal basis?
Published on
01 Apr 2026 - 13:39
#functional-analysis
#inner-products
#operator-algebras
#c-star-algebras
#hilbert-modules
82
Views
The center of a von Neumann algebra may or may not have minimal projections
Published on
28 Mar 2026 - 11:54
#functional-analysis
#operator-algebras
#c-star-algebras
#von-neumann-algebras
42
Views
MASA in separable hyperfinite type II_1 factor
Published on
28 Mar 2026 - 13:32
#operator-theory
#operator-algebras
#von-neumann-algebras
47
Views
affiliated operator lies in the von neumann algebra
Published on
28 Mar 2026 - 12:02
#operator-algebras
#von-neumann-algebras
65
Views
Toeplitz Operators Generate Compacts
Published on
28 Mar 2026 - 13:22
#functional-analysis
#operator-algebras
#compact-operators
64
Views
$M\xi$ forms a unital Hilbert algebra for some cyclic-separating vector $\xi$
Published on
28 Mar 2026 - 11:53
#operator-theory
#operator-algebras
#c-star-algebras
#von-neumann-algebras
95
Views
Series of operators
Published on
30 Mar 2026 - 15:43
#sequences-and-series
#operator-algebras
#c-star-algebras
#noncommutative-algebra
#quantum-field-theory
59
Views
Do semicircular families exist?
Published on
01 Apr 2026 - 7:54
#probability-theory
#operator-theory
#operator-algebras
#cumulants
37
Views
spectral projection of the (unbounded) self-adjoint affiliated operator
Published on
28 Mar 2026 - 12:02
#operator-algebras
#von-neumann-algebras
43
Views
finite projection in a semifinite von Neumann algebra
Published on
28 Mar 2026 - 12:02
#operator-algebras
#von-neumann-algebras
93
Views
The algebra of all bounded linear operators acting on a complex Banach space is a prime algebra.
Published on
25 Mar 2026 - 23:39
#abstract-algebra
#functional-analysis
#operator-algebras
#banach-algebras
#hahn-banach-theorem
129
Views
How to show that a map is positive (positive-preserving) iff it's dual is also positive?
Published on
31 Aug 2023 - 18:12
#linear-algebra
#matrices
#operator-algebras
191
Views
A factor von Neumann algebra is a prime algebra.
Published on
25 Mar 2026 - 22:10
#functional-analysis
#operator-algebras
#c-star-algebras
#von-neumann-algebras
#hahn-banach-theorem
64
Views
Approximating a self adjoint element with invertible elements
Published on
02 Sep 2023 - 16:41
#operator-theory
#operator-algebras
#c-star-algebras
56
Views
Nuclear $C^*$-algebras have the WEP-property.
Published on
27 Mar 2026 - 14:51
#operator-theory
#operator-algebras
#c-star-algebras
#approximation-theory
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