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20220827 李海绸 Composition operators on Dirichlet spaces over the half-plane

发布时间:2022-08-26 17:02    浏览次数:    来源:

报告标题: Composition operators on Dirichlet spaces over the half-plane

报告人:李海绸(华南农业大学)

邀请人:张雅山

时间:2022年8月27日,8:30-9:30

地点:腾讯会议ID: 825 637 464,密码: 5766

摘要:As continuation of the study of polynomial approximation and composition operators on Dirichlet spaces of unit disk, which has settled a problem posed by Cima in 1976, the present paper aims to consider the case of the unbounded domains, such as the half-plane. Specifically, we may obtain the rational approximations in the Dirichlet spaces and characterize the composition operators which has dense range on the Dirichlet spaces over the half-plane. Moreover, this paper also considers the relationship between the Dirichlet spaces and Hardy spaces on half-plane.


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