Presentation Name🌁: | Hausdorff Dimension and σ-Finiteness of Some p Harmonic Measures |
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Presenter: | Professor John Lewis |
Date🤲🏽: | 2014-10-24 |
Location🫡: | 光华东主楼1801 |
Abstract: | In this talk for fixed p,1 < p <∞,we consider a measure, u^, associated with a positivep harmonic function u^ defined in an open set G in R2 and vanishing on a portion of the boundary of G. During the first part of the talk we outline results obtained by the presenter and coauthors when G is a bounded simply connected domainin R2 and u^ is p harmonic nearthe boundary of G with continuous boundary value zero on the boundary of G. Our results generalize a famous the orem of Makarov concerning the dimension of harmonic measure. During the second part of this talk we consider p harmonic measure in Rn, n >3: In this case we outline some examples constructed by the presenter and coauthors. We also discuss recent work by the presenter and coauthors on a conjecture of his concerning the ` natural generalization ' of a theorem of Jones and Wolf for harmonic measure to the p harmonic setting when p≥n. Finally given time we discuss work in progress with coauthors.
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Annual Speech Directory: | No.150 |
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