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New posts in c-star-algebras
Consequence of Hahn-Banach - norm closed convex hull contains $0$
functional-analysis
banach-spaces
c-star-algebras
hahn-banach-theorem
amenability
Why is every positive linear map between $C^*$-algebras bounded?
functional-analysis
operator-algebras
c-star-algebras
Gelfand-Naimark Theorem
general-topology
functional-analysis
operator-theory
c-star-algebras
Topological vs. Algebraic $K$-Theory
algebraic-topology
homology-cohomology
c-star-algebras
topological-k-theory
algebraic-k-theory
Cayley transform is well-defined
functional-analysis
operator-theory
operator-algebras
c-star-algebras
$C^*$-algebra which is also a Hilbert space?
functional-analysis
operator-algebras
c-star-algebras
Why is $\ell^1(\mathbb{Z})$ not a $C^{*}$-algebra?
functional-analysis
banach-spaces
c-star-algebras
banach-algebras
Consequences of Proposition 1.1 on Semi-inner-product $A$-modules
functional-analysis
modules
operator-algebras
c-star-algebras
Takesaki lemma 4.5
functional-analysis
operator-theory
operator-algebras
c-star-algebras
von-neumann-algebras
What does countable weakly unperforated $\textbf{simple}$ ordered group mean here?
c-star-algebras
k-theory
An application of Hahn-Banach theorem in the context of $C^{\ast}$-algebra.
operator-algebras
c-star-algebras
hahn-banach-theorem
Restriction of state on unitisation
functional-analysis
operator-theory
operator-algebras
c-star-algebras
Is $\|\varphi\| = \|\varphi p\| + \|\varphi(1-p)\|$?.
functional-analysis
operator-theory
operator-algebras
c-star-algebras
von-neumann-algebras
Jordan decomposition in Takesaki: theorem III.2.2.1
functional-analysis
operator-theory
operator-algebras
c-star-algebras
Nuclearity of finite dimensional $C^*$-algebras
operator-algebras
c-star-algebras
How to understand what a 'noncommutative space' is
general-topology
algebraic-topology
c-star-algebras
noncommutative-geometry
gelfand-representation
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