报告人：G. Psaromiligkos 密西根州立大学

报告时间：2月24日15：00

报告地点：ZOOM  ID：975 2011 3597 密 码：123456

主办单位：数学与统计学院

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    报告摘要：We prove a two weight multi-parameter dyadic embedding theorem for the Hardy operator on multi-trees. The main result is known in the case n=1 and here we prove it for n=2,3. Strikingly, the ''Box'' condition we impose is much weaker than the Chang–Fefferman one, given the well-known Carleson quilt counterexample. However, this is not contradictory to our work, as we impose different restrictions on the weights. An application of this is the embedding theorem of Dirichlet space of holomorphic functions on the polydisc, which appears in the work of Arcozzi, Mozolyako, Perfekt and Sarfati. This is joint work with N. Arcozzi, P. Mozolyako, A. Volberg and P. Zorin-Kranich.

    报告人简介：G. Psaromiligkos got his Ph.D.  in 2020  at Michigan State University.  His research interests include  Harmonic analysis (singular integrals, Hardy spaces, weighted inequalities), Geometric measure theory (and intersection with H.A) , Bellman Functions.