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Wellposedness of some quasi-linear Schrdinger equations
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作者 CHEMIN Jean-Yves SALORT Delphine 《Science China Mathematics》 SCIE CSCD 2015年第5期891-914,共24页
This article is devoted to the study of a quasilinear Schrodinger equation coupled with an elliptic equation on the metric g. We first prove that, in this context, the propagation of regularity holds which ensures loc... This article is devoted to the study of a quasilinear Schrodinger equation coupled with an elliptic equation on the metric g. We first prove that, in this context, the propagation of regularity holds which ensures local wellposedness for initial data small enough in H1/2 and belonging to the Besov space B3/2 2,1. In a second step, we establish Strichartz estimates for time dependent rough metrics to obtain a lower bound of the time existence which only involves the B1+ε 2,∞ norm on the initial data. 展开更多
关键词 quasilinear Schrodinger equation Strichartz estimates paradiffential calculus stationary phase method
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SOME NONLINEAR ELLIPTIC EQUATIONS HAVE ONLY CONSTANT SOLUTIONS 被引量:1
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作者 Haim Brezis Li Yanyan 《Journal of Partial Differential Equations》 2006年第3期208-217,共10页
We study some nonlinear elliptic equations on compact Riemannian manifolds. Our main concern is to find conditions which imply that such equations admit only constant solutions.
关键词 Nonlinear elliptic equations constant solutions.
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