# On Riemann solutions under different initial periodic perturbations at two infinities for 1-d scalar convex conservation laws

JOURNAL OF DIFFERENTIAL EQUATIONS（2019）

摘要

This paper is concerned with the large time behaviors of the entropy solutions to one-dimensional scalar convex conservation laws, of which the initial data are assumed to approach two arbitrary $ L^\infty $ periodic functions as $ x\rightarrow-\infty $ and $ x\rightarrow+\infty, $ respectively. We show that the solutions approach the Riemann solutions at algebraic rates as time increases. Moreover, a new discovery in this paper is that the difference between the two periodic perturbations at two infinities may generate a constant shift on the background shock wave, which is different from the result in [11], where the two periodic perturbations are the same.

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关键词

35L03,35L65,35L67

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