Weak solutions of general systems of hyperbolic conservation laws

Tai-Ping Liu Tong Yang

Analysis of PDEs mathscidoc:1912.43946

Communications in mathematical physics, 230, (2), 289-327, 2002.10
In this paper, we establish the existence theory for general system of hyperbolic conservation laws and obtain the uniform <i>L</i> <sub> <i>1</i> </sub> boundness for the solutions. The existence theory generalizes the classical Glimm theory for systems, for which each characteristic field is either genuinely nonlinear or linearly degenerate in the sense of Lax. We construct the solutions by the Glimm scheme through the wave tracing method. One of the key elements is a new way of measuring the potential interaction of the waves of the same characteristic family involving the angle between waves. A new analysis is introduced to verify the consistency of the wave tracing procedure. The entropy functional is used to study the <i>L</i> <sub> <i>1</i> </sub> boundedness.
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  title={Weak solutions of general systems of hyperbolic conservation laws},
  author={Tai-Ping Liu, and Tong Yang},
  booktitle={Communications in mathematical physics},
Tai-Ping Liu, and Tong Yang. Weak solutions of general systems of hyperbolic conservation laws. 2002. Vol. 230. In Communications in mathematical physics. pp.289-327. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210828593556510.
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