A compact extension of Journé's T1 theorem on product spaces

Release time:2023-08-26Views:90


TitleA compact extension of Journé's T1 theorem on product spaces

SpeakerMingming Cao (Instituto de Ciencias Matemáticas, Spain

Time: Wednesday, August 30, 2023. 14:30-16:00 

VenueMingde Building B201-1

Zoom ID: 949 5369 0376    (Password: 388814))

Abstract:  In the 1980s, David and Journé proved the original T1 theorem, which gave a characterization of the L2 boundedness for Calderón–Zygmund operators based on testing conditions. Soon after, using the vector-valued Calderón–Zygmund theory, Journé first established a bi-parameter T1 theorem. However, the T1 theorem to deduce compactness of multi-parameter singular integrals has been open in the last several years. The purpose of this talk is to develop a general theory of the compactness for a class of bi-parameter singular integrals.


More information about the Analysis Seminar can be found here.

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