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C-star-algebras
New post in C-star-algebras
Elementary proof that $*$homomorphisms between C*-Algebras are norm-decreasing
August 1st, 2022
continuity
c-star-algebras
continuous-homomorphisms
Closed unit ball of $B(H)$ is not compact in strong operator topology of $B(H)$.
July 16th, 2020
von-neumann-algebras
operator-theory
c-star-algebras
banach-algebras
functional-analysis
Spatial tensor product of algebras and normed spaces
March 20th, 2020
operator-algebras
tensor-products
c-star-algebras
Definition of a closed ideal in a $C^*$ algebra
August 1st, 2022
abstract-algebra
c-star-algebras
ideals
functional-analysis
Showing that an injective $^*$-homomorphism between two $C^*$-algebras is isometric.
August 1st, 2022
banach-algebras
c-star-algebras
operator-algebras
operator-theory
functional-analysis
Arveson's Extension Theorem in C*-algebra
August 1st, 2022
operator-algebras
c-star-algebras
von-neumann-algebras
functional-analysis
Polar decomposition of invertible elements in a unital C$ ^{*} $-algebra.
August 1st, 2022
c-star-algebras
banach-algebras
operator-algebras
functional-analysis
Essential ideals
August 1st, 2022
c-star-algebras
ideals
operator-algebras
Meaning of non-degenerate representation in $C^*$-algebras
February 19th, 2022
functional-analysis
operator-theory
c-star-algebras
Irreducible representations and commutative C*Algebras.
August 1st, 2022
operator-theory
c-star-algebras
operator-algebras
Minimal projections in a C* algebra
August 1st, 2022
c-star-algebras
operator-algebras
functional-analysis
Are elements of a $C^*$-Algebra strictly positive iff their spectrum is strictly positive?
April 27th, 2020
c-star-algebras
functional-analysis
operator-theory
product $ab$ of postive elements $a,b$ is again positive, if $ab=ba$.
August 1st, 2022
c-star-algebras
Spectrum of projection
March 28th, 2020
c-star-algebras
operator-algebras
Why are positive linear functionals on $C^*$-algebras always bounded?
August 1st, 2022
functional-analysis
c-star-algebras
Show that a set of projectors summing to the identity implies mutually orthogonal projectors
December 1st, 2020
linear-algebra
matrices
c-star-algebras
quantum-mechanics
Finding all the maximal ideals of $C([0,1])$ and also prime ideals in it which are not maximal
August 1st, 2022
maximal-and-prime-ideals
c-star-algebras
ring-theory
general-topology
strictly positive elements in $C^*$-algebra
April 24th, 2020
banach-algebras
c-star-algebras
The set of all continuous functions on a locally compact Hausdorff space.
August 1st, 2022
general-topology
functional-analysis
operator-algebras
c-star-algebras
A strictly positive operator is invertible
August 1st, 2022
c-star-algebras
hilbert-spaces
operator-theory
linear-algebra
Sufficient condition for a *-homomorphism between C*-algebras being isometric
August 1st, 2022
operator-algebras
c-star-algebras
functional-analysis
application of c*algebras to PDEs
August 1st, 2022
functional-analysis
c-star-algebras
banach-algebras
operator-algebras
partial-differential-equations
A theorem about conditional expectation in C*-algebra
September 4th, 2021
operator-algebras
functional-analysis
von-neumann-algebras
c-star-algebras
equivalent? algebraic definition of a partial isometry in a C*-algebra
August 1st, 2022
c-star-algebras
operator-algebras
functional-analysis
C* Algebra textbook recommendation
August 1st, 2022
reference-request
functional-analysis
analysis
c-star-algebras
Can $ {L^{1}}(G) $ be a $ C^{*} $-algebra?
August 1st, 2022
lp-spaces
functional-analysis
banach-algebras
c-star-algebras
Existence of norm for C*-Algebra
August 1st, 2022
c-star-algebras
normed-spaces
unitization of a unital $C^*$-algebra
August 1st, 2022
c-star-algebras
Upper-triangular matrix is invertible iff its diagonal is invertible: C*-algebra case
August 1st, 2022
linear-algebra
abstract-algebra
c-star-algebras
matrices
In how far are CCR and GCR C*-algebras interesting?
August 1st, 2022
c-star-algebras
operator-algebras
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