New posts in c-star-algebras

Spectrum $\sigma(a)$ taken within the unitisation of a $C^*$-algebra

Frechet derivative of square root on positive elements in some $C^*$-algebra

When two projections in a C*-algebra are "almost" Murray-von Neumann equivalent, they are equivalent

Trouble with the proof of Proposition 4.3.18 of Pedersen's Analysis Now

Is this a characterization of commutative $C^{*}$-algebras

Spectral radii and norms of similar elements in a C*-algebra: $\|bab^{-1}\|<1$ if $b=(\sum_{n=0}^\infty (a^*)^n a^n)^{1/2}$

ideals, projections and factors in VN algebras

A question about pure state

Unitary representation of $G$ induces representation of $L^1(G)$

Complementability of von Neumann algebras

What is the spectrum of the commutative C*-algebra I have constructed here?

positive linear functionals are bounded in $C^*$-algebras

Center of finitely generated $C^\ast$-algebra

strictly positive elements in $C^*$-algebra

Is every normal state on $A''$ a vector state?

A strictly positive operator is invertible

What is known about ideals of bidual $\mathfrak{A^{\ast\ast}}$ of a $C^{\ast}$-algebra $\mathfrak{A}$.

Jordan decomposition functional $C^*$-algebra [closed]

Spectral integral: verification of my conceptual understanding

Reference request: norm of completely positive map between C*-algebras is attained along approximate identity