Minimal entropy conditions for scalar conservation laws with general convex fluxes
Minimal entropy conditions for scalar conservation laws with general convex fluxes
复制标题
一般凸通量标量守恒定律的最小熵条件
DOI:
10.1090/qam/1669
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发表时间:
2023
影响因子:
0.8
通讯作者:
Cao G
中科院分区:
文献类型:
--
作者:
Cao G
We are concerned with the minimal entropy conditions for one-dimensional scalar conservation laws with general convex flux functions. For such scalar conservation laws, we prove that a single entropy-entropy flux pairwithof strict convexity is sufficient to single out an entropy solution from a broad class of weak solutions inthat satisfy the inequality:in the distributional sense for some non-negative Radon measure. Furthermore, we extend this result to the class of weak solutions in, based on the asymptotic behavior of the flux functionand the entropy functionat infinity. The proofs are based on the equivalence between the entropy solutions of one-dimensional scalar conservation laws and the viscosity solutions of the corresponding Hamilton-Jacobi equations, as well as the bilinear form and commutator estimates as employed similarly in the theory of compensated compactness.
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