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List Question

positive linear maps which are involutive

Theorem about irreducible representation of $C^*$-algebra

unitalization of the $c^$-algebra of complex polynoms without constant term / compactness of the spectrum of elements in non-unital $c^$-algebras

continuous functional calculus for nonunital $c^*$-algebras

positive elements in $L(H)$

Proof of theorems in the field of banach-and $c^*$-algebras in a categorial language

$||a||\leq \sup_{||b||\leq 1} ||ab||$ in a C*-algebra

A necessary and sufficient criterion for an element of a multiplier $ C^{*} $-algebra to be positive.

What algebraic structure do self-adjoint operators form?

Matrix representation of $\mathbb{C}$ as $^*$Algebra.

Completely positive maps

State of a $ C^{*} $-algebra.

Connection between Stinespring's factorization theorem and the spectral theorem for bounded operators

On existence of square root of positive elements of a unital $C^*$-algebra

(Question about the proof of $M(C_0(X))=C_b(X)$ )- Urysohn's lemma for locally compact Hausdorff spaces

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