3 papers
math.FA2025
On the quasi-similarity of operators with flag structure
Xie yufang, Ji shanshan, Xu jing +1
Let denote the operator class in which every nonzero intertwiner between two operators in has dense range. Utilizing the operators in as a…
math.FA2025
Cyclicity of Cowen-Douglas tuples
Jing Xu, Shanshan Ji, Yufang Xie +1
The study of Cowen-Douglas operators involves not only operator-theoretic tools but also complex geometry on holomorphic vector bundles. By leveraging the properties of holomorphic…
math.FA2023
The Cowen-Douglas operators with strongly flag structure
Yufang Xie, Kui Ji
Denote as the collection of operators possessing a flag structure in the Cowen-Douglas class , and all the irreducible homogeneous operato…