开元棋牌

开元棋牌

分析和微分方程讨论班——The dichotomy of Nikodym sets and local smoothing estimates for wave equations

来源:开元棋牌 发布时间:2024-06-03   448

报告人:陈铭峰(威斯康星麦迪逊分校)


时间:2024年6月12日,16:10-17:10


地点:海纳苑2幢202


摘要:In this talk, I will talk about maximal operator in the plane. After reviewing some classical results of Bourgain circular maximal theorem and Sogge’s cinematic curvature, I will focus on our result. We classify planar maximal functions: We find all the curves such that Nikodym sets exist, thus the maximal operator is not bounded on L^p for any p<∞; For other curves, we prove sharp L^p bound. This is based on joint work with Shaoming Guo.


联系人:席亚昆[email protected]

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