Minghui Ma

activity

20242026

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math.OA2026

The similarity of irreducible operators in factors

Minghui Ma, Rui Shi, Shanshan Yang

An operator $T$ in a separable factor $M$ is said to be irreducible in $M$ if the von Neumann subalgebra $W^{*} (T)$ generated by $T$ is an irreducible subfactor o…

math.OA2026

Operators with disconnected spectrum in von Neumann algebras

Minghui Ma, Rui Shi, Tianze Wang

Let $M$ be a von Neumann algebra, $I$ a weak-operator dense ideal in $M$ , and $Φ$ a unitarily invariant $∥ \cdot ∥$ -dominating norm on $I$ .…