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2017 Fiscal Year Final Research Report

Monotonicity estimates and local regularity and singularity for the p-harmonic flows

Research Project

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Project/Area Number 15K04962
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Mathematical analysis
Research InstitutionKumamoto University

Principal Investigator

Masashi Misawa  熊本大学, 大学院先端科学研究部(理), 教授 (40242672)

Co-Investigator(Renkei-kenkyūsha) YAMAURA Yoshihiko  日本大学, 文理学部, 教授 (90255597)
Project Period (FY) 2015-04-01 – 2018-03-31
Keywords偏微分方程式 / 退化特異放物型方程式系 / 正則性特異性 / 調和写像 / 調和写像熱流 / p調和写像 / p調和写像熱流
Outline of Final Research Achievements

The p-harmonic flow is the heat flow for the p-harmonic maps,the critical
points for p-energy for maps beteween two smooth compact Riemannian manifolds, and given by the degenerate and singular parabolic system of 2nd ordered partial differential equations of so-called p-Laplcian type. We study the regularity and singularity of solutions of the p-harmonic flows. Our main result is the local regularity theorem, which holds true uniformly for the p-energy bounded, regular solutions of the p-harmonic flows. Based on this local regularity theorem, we prove that the weak limits of p-energy bounded, regular p-harmonic flows are partial regular weak solutions of the p-harmonic flows, with the almost optimal size estimation by Hausdorff measure, of their singular sets, the exceptional sets of regularity.

Free Research Field

偏微分方程式

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Published: 2019-03-29  

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