For a 3x3 generalized Chaplygin gas with a transported pressure coefficient, the authors classify Riemann solutions and prove that isolated overcompressive delta shocks arise as zero-viscosity limits of Dafermos viscous profiles.
Generalized Chaplygin Gas, Accelerated Expansion and Dark-Energy-Matter Unification
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The Riemann Problem for a 3x3 Generalized Chaplygin Gas System with Variable Pressure
For a 3x3 generalized Chaplygin gas with a transported pressure coefficient, the authors classify Riemann solutions and prove that isolated overcompressive delta shocks arise as zero-viscosity limits of Dafermos viscous profiles.