Communications in Mathematical Physics

, Volume 267, Issue 1, pp 1–12 | Cite as

Simple Waves and a Characteristic Decomposition of the Two Dimensional Compressible Euler Equations

  • Jiequan Li
  • Tong Zhang
  • Yuxi Zheng


We present a characteristic decomposition of the potential flow equation in the self-similar plane. The decomposition allows for a proof that any wave adjacent to a constant state is a simple wave for the adiabatic Euler system. This result is a generalization of the well-known result on 2-d steady potential flow and a recent similar result on the pressure gradient system.


Constant State Simple Wave Euler System Riemann Invariant Characteristic Decomposition 
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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Jiequan Li
    • 1
  • Tong Zhang
    • 2
  • Yuxi Zheng
    • 3
  1. 1.Department of MathematicsCapital Normal UniversityBeijingP.R. China
  2. 2.Institute of MathematicsChinese Academy of SciencesBeijingP.R. China
  3. 3.Department of MathematicsThe Pennsylvania State UniversityUniversity ParkUSA

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