New posts in operator-algebras

Maximal ideals and maximal subspaces of normed algebras

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

Derivation into dense ideal of Banach algebras

Ideals in $C(X)$

How does $\sigma(T)$ change with respect to $T$?

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

Is a type $I_\infty$ von Neumann algebra "infinite"?

Does there exists a von Neumann algebra which is neither of type $I_n, II_1,II_\infty, \text{ nor } III$?

Is the von Neumann algebra of type I under the given hypothesis?

How did Kadison obtain it here?

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

A question about pure state

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

Generalized Comparison between two projection in a von Neumann algebra

Can we have $n+1$ many orthogonal projections in a type $I_n$ von Neumann algebra?

Analytic Vectors (Nelson's Theorem)

Is a von Neumann algebra just a C*-algebra which is generated by its projections?

If $V$ is a partial isometry with initial projection $E$ then is $EVE=V$?

Why study operator spaces?

Spectral integral: reference request