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Existence of solutions for a higher-order semilinear parabolic equation with singular initial data
Annales de l'Institut Henri Poincaré C, Analyse non linéaire ( IF 1.8 ) Pub Date : 2020-04-22 , DOI: 10.1016/j.anihpc.2020.04.002 Shinya Okabe 1 , Kazuhiro Ishige 2 , Tatsuki Kawakami 3
中文翻译:
具有奇异初始数据的高阶半线性抛物方程的解的存在性
更新日期:2020-04-22
Annales de l'Institut Henri Poincaré C, Analyse non linéaire ( IF 1.8 ) Pub Date : 2020-04-22 , DOI: 10.1016/j.anihpc.2020.04.002 Shinya Okabe 1 , Kazuhiro Ishige 2 , Tatsuki Kawakami 3
Affiliation
We establish the existence of solutions of the Cauchy problem for a higher-order semilinear parabolic equation by introducing a new majorizing kernel. We also study necessary conditions on the initial data for the existence of local-in-time solutions and identify the strongest singularity of the initial data for the solvability of the Cauchy problem.
中文翻译:
具有奇异初始数据的高阶半线性抛物方程的解的存在性
通过引入新的主化核,我们建立了高阶半线性抛物方程的柯西问题解的存在性。我们还研究了存在实时解决方案的初始数据的必要条件,并确定了柯西问题可解性的初始数据最强的奇异性。