Asymptotic stability of stationary discrete shocks of Lax-Friedrichs scheme for non-convex conservation laws



The nonlinear stability of stationary discrete shocks for the Lax-Friedrichs scheme approximating non-convex scalar conservation laws is proved without smallness restrictions on the initial perturbations provided that the summation of initial perturbation is zero. The long time behavior of the Lax-Friedrichs is also investigated for a rather broad class of initial data. The selection of the discrete weight function plays a crucial role. The detailed study of discrete error equations is a major technical involvement.

Key words

stability discrete shocks Lax-Friedrichs scheme 


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Copyright information

© JJIAM Publishing Committee 1998

Authors and Affiliations

  1. 1.Department of MathematicsHenan Normal UniversityXinxiangP.R. China
  2. 2.Institute of Systems ScienceAcademia SinicaBeijingP.R. China

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