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15
285
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Contractive unital linear map is positive

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#c-star-algebras
102
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a unitary does not in general lift to a unitary

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#c-star-algebras #k-theory #topological-k-theory #algebraic-k-theory
58
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Example of Approximately Inner automorphism which is not inner

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#c-star-algebras
76
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An example for almost commuting matrices

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#operator-theory #normed-spaces #c-star-algebras #matrix-norms #unitary-matrices
62
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Basis in Hilbert C* module

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#operator-algebras #c-star-algebras
31
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the isomorphism of $D(B(H))$,where ,$H$ is an infinite dimensional inseparable Hilbert space.

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#c-star-algebras #k-theory #topological-k-theory #algebraic-k-theory
101
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Positivity of element in an algebraic corner of a $*$-algebra

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#functional-analysis #operator-theory #operator-algebras #c-star-algebras
49
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a surjective group homomorphism between $K_0$ group to an abelian group

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#operator-theory #operator-algebras #c-star-algebras #k-theory
643
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A faithful $*$-representation of a C$^*$-algebra

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#functional-analysis #operator-algebras #c-star-algebras
48
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A non ideal feature of compact operators

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#functional-analysis #operator-algebras #c-star-algebras
455
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a von Neumann algebra factor of type $II_1$

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#operator-algebras #c-star-algebras #von-neumann-algebras
137
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Operator norm on a Hilbert module

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#functional-analysis #operator-algebras #c-star-algebras #hilbert-modules
42
Views

comparison of projections in $C^*$ algebra

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#operator-theory #operator-algebras #c-star-algebras
35
Views

Maximal completion of tensor product of $*$-algebras

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#operator-theory #operator-algebras #c-star-algebras
52
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What is exactly relationship between scheme $X$ and its global sections in comparison to $C^\star$ algebra

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#abstract-algebra #functional-analysis #analysis #algebraic-geometry #c-star-algebras

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