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15
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Norm of AB+BA when A, B are well understood

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#linear-algebra #operator-theory #operator-algebras #compact-operators
99
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Graded $*$-homomorphisms where are homotopic to $0$

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#functional-analysis #algebraic-topology #operator-theory #homotopy-theory #operator-algebras
98
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Explaining the group structure in homotopy classes of map $[X,K(H)]$

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#functional-analysis #operator-theory #operator-algebras #banach-algebras
211
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Tracial states and the GNS construction

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#operator-theory #operator-algebras #c-star-algebras
82
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Induced $K$-theory maps between $C^*$ algebras.

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#functional-analysis #algebraic-topology #operator-theory #operator-algebras #k-theory
221
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post-liminal/GCR algebras

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#functional-analysis #operator-theory #operator-algebras #c-star-algebras
113
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Understanding the map from $K_0(A)$ to homotopy class of maps,

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#algebraic-topology #operator-algebras #k-theory #topological-k-theory
72
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connection between unital $C^*$ algebra and finite von neumann algebra

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#operator-theory #operator-algebras #c-star-algebras #von-neumann-algebras
70
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How is $\Bbb K$ well defined, operator algebra

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#functional-analysis #operator-theory #operator-algebras #compact-operators
36
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ideal of an non-nuclear $C^*$ algebra

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#operator-theory #operator-algebras #c-star-algebras
210
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Special elements in the $C^*$ algebra $A \otimes \mathcal{K}$.

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#abstract-algebra #functional-analysis #operator-theory #operator-algebras #k-theory
187
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Regarding cyclic vector of $L^{\infty}$ in $L^{2}$

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#operator-algebras #von-neumann-algebras
215
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Reference request unital normal *-homomorphisms $B(H) \to B(K)$

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#reference-request #operator-algebras #c-star-algebras #von-neumann-algebras
71
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How to show matrix algebras are Nuclear

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#operator-algebras #c-star-algebras
473
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Is the limit of the spectral radius the spectral radius of the limit?

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#functional-analysis #operator-theory #operator-algebras #spectral-theory #banach-algebras

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