Ondes de Gradients Multidimensionnelles

· American Mathematical Society: Memoirs of the American Mathematical Society Book 511 · American Mathematical Soc.
Ebook
93
Pages

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Recent techniques in partial differential equations have led to a solution to the general multidimensional Cauchy problem for nonlinear gradient waves. In a blown-up configuration, Sable-Tougeron constructs a local solution for a quasilinear hyperbolic system with continuous Cauchy data, in which the first derivatives are discontinuous on a hyper surface. This strong singularity is not so problematic as a rarefaction: The use of Alinhac's para-unknown leads to a tame inequality without loss of derivatives for the iterative scheme.
Recent techniques in partial differential equations have led to a solution to the general multidimensional Cauchy problem for nonlinear gradient waves. In a blown-up configuration, Sable-Tougeron constructs a local solution for a quasilinear hyperbolic system with continuous Cauchy data, in which...

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