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math.CV2010
Spectra of linear fractional composition operators on
Liangying Jiang, Zhihua Chen
We characterize the spectra of composition operators on the Hardy space , when the symbols are elliptic or hyperbolic linear fractional self-maps of . Therefore, com…
math.CV2010★ 1 cited
Compact Differences of Composition Operators on Holomorphic Function Spaces in the Unit Ball
Liangying Jiang, Caiheng Ouyang
We find a lower bound for the essential norm of the difference of two composition operators acting on or (). This result plays an important role in pr…