AN IMPROVEMENT OF A RESULT OF IVOCHKINA AND LADYZHENSKAYA ON A TYPE OF PARABOLIC MONGE-AMP\`ERE EQUATION

Citation:

Wang Rouhuai,Wang Guangli.AN IMPROVEMENT OF A RESULT OF IVOCHKINA AND LADYZHENSKAYA ON A TYPE OF PARABOLIC MONGE-AMP\`ERE EQUATION[J].Chinese Annals of Mathematics B,1997,18(4):405~422
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Authors:

Wang Rouhuai; Wang Guangli

Foundation:

the National Natural Science Foundation of China
Abstract: For the initial-boundary value problem about a type of parabolic Monge-Amp\'ere equation of the form (IBVP): $\{-D_tu+(\det D^2_xu)^{1/n}=f(x,t),\;(x,t)\in Q=\Omega\times(0,T],\; u(x,t)=\phi(x,t)\;(x,t)\in\partial_pQ \},$ where $\Omega$ is a bounded convex domain in $\bold R^n$, the result in [4] by Ivochkina and Ladyzheskaya is improved in the sense that, under assumptions that the data of the problem possess lower regularity and satisfy lower order compatibility conditions than those in [4], the existence of classical solution to (IBVP) is still established (see Theorem 1.1 below). This can not be realized by only using the method in [4]. The main additional effort the authors have done is a kind of nonlinear perturbation.

Keywords:

Nonlinear perturbation, Less regularity about data, Interior regularity of viscosity solutions

Classification:

35K20, 35K55, 35Q99
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