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arXiv 2303.14520math.AP
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奇异完全非线性抛物型自由边界问题的尖锐正则性

Sharp regularity for a singular fully nonlinear parabolic free boundary problem

Damião J. Araújo, Ginaldo S. Sá, José Miguel Urbano

摘要:

本文建立了具有奇异吸收项的完全非线性抛物型自由边界问题黏性解的局部正则性估计。主要的困难是由于沿自由边界的源的爆破和缺乏变分结构。该证明结合了石井-狮子方法与本质上抛物振荡估计的功率。结果是新的,即使是二阶线性算子的非发散形式。

英文摘要:

This paper establishes sharp local regularity estimates for viscosity solutions of fully nonlinear parabolic free boundary problems with singular absorption terms. The main difficulties are due to the blow-up of the source along the free boundary and the lack of a variational structure. The proof combines the power of the Ishii-Lions method with intrinsically parabolic oscillation estimates. The results are new, even for second-order linear operators in nondivergence form.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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