A uniqueness condition for hyperbolic systems of conservation laws

A uniqueness condition for hyperbolic systems of conservation laws
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守恒定律双曲系统的唯一性条件

DOI:
10.3934/dcds.2000.6.673
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发表时间:
2000
影响因子:
1.1
通讯作者:
M. Lewicka
M. Lewicka
中科院分区:
数学3区
文献类型:
--
作者:
A. Bressan;M. Lewicka

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考虑双曲型方程的柯西问题 空间中的$n\x n$守恒律系统 尺寸: $u_t+f(U)_x=0$,则$u(0,x)=\bar u(X).$ $(CP)$ 依赖于解的连续半群的存在性,我们证明了 $(CP)$的熵允许解是唯一的 函数类$u=u(t,x)$ 这些变量沿 合适的类空曲线族。
Consider the Cauchy problem for a hyperbolic $n\times n$ system of conservation laws in one space dimension: $u_t + f(u)_x = 0$,   $u(0,x)=\bar u (x).$   $(CP)$ Relying on the existence of a continuous semigroup of solutions, we prove that the entropy admissible solution of $(CP)$ is unique within the class of functions $u=u(t,x)$ which have bounded variation along a suitable family of space-like curves.