Kai Fang

collaborators

2 papers

math.OA2026

Jensen' s trace inequality with equality condition and noncommutative Lamperti's theorem

Kai Fang, Xin He, Jinghao Huang

Let $M$ be a semifinite von Neumann algebra equipped with a semifinite faithful normal trace $τ$ . We establish Jensen's trace inequality in full generality and characteriz…

math.FA2026

Disjointness-preserving mappings on Calkin operator spaces and positive isometries

Kai Fang, Jinghao Huang, Karimbergen Kudaybergenov +1

Let $E (M, τ)$ and $F (M, τ)$ be two Calkin operator spaces affiliated with a semifinite von Neumann algebra $M$ equipped with a semifinite faithful norma…