云顶娱乐登录网址

云顶娱乐登录网址

2020年云顶娱乐登录网址学术报告(二十)

讲座题目:Composition operators with linear symbols on a Hilbert space of Dirichlet seriesDirichlet级数空间上的复合算子)

主办单位:云顶娱乐登录网址

报告专家:王茂发(武汉大学教授博士生导师)

报告时间:20201212日(周六)上午(9:00—10: 00)

报告地点: 东校区8教406

专家简介:王茂发,武汉大学数学与统计学院教授、博士生导师,研究领域为泛函分析及其应用,主持国家自然科学基金和教育部项目多项,在Journal of Functional Analysis, Mathematische Zeitschrift, Indiana University Mathematics Journal, Journal of Operator Theory, Journal of Mathematical Analysis and Applications, Science China: Mathematics等知名期刊上发表学术论文60余篇。

摘要:On the Hilbert space of Dirichlet series with square summable coefficients, we show that the linear combinations of two composition operators induced by linear symbols are compact only when each one of them is compact. Moreover, such rigid behavior holds partially for some more general symbols.