A new discrete monotonicity formula with application to a two-phase free boundary problem in dimension two
A new discrete monotonicity formula with application to a two-phase free boundary problem in dimension two
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应用于二维两相自由边界问题的新离散单调性公式
DOI:
10.1080/03605302.2018.1499776
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发表时间:
2019
影响因子:
1.9
通讯作者:
Dipierro S
中科院分区:
文献类型:
--
作者:
Dipierro S
We continue the analysis of the two-phase free boundary problems initiated by ourselves, studying where we studied the linear growth of minimizers in a Bernoulli-type free boundary problem at the non-flat points and the related regularity of free boundary. There, among other things, we also defined the functional φp(r,u,x0)=1r4∫Br(x0)|∇u+(x)|p|x−x0|N−2dx∫Br(x0)|∇u−(x)|p|x−x0|N−2dx, wherex0is a free boundary point, i.e.anduis a minimizer of the functional J(u):=∫Ω|∇u|p+λ+p χ{u>0}+λ−p χ{u≤0}, for some bounded smooth domainand positive constantswith. Here we showin discrete monotone at non-flat pointsx0, whenN= 2 andpis sufficiently close to 2, and then establish the linear growth ofu. A new feature of our approach is the anisotropic scaling argument discussed in Section 4.
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DOI:
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发表时间:
2012
期刊:
影响因子:
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2008
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2015
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期刊:
影响因子:
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