1. Rarefaction Wave Interaction of Pressure-Gradient System Open Access Author: Bang, Seunghoon Title: Rarefaction Wave Interaction of Pressure-Gradient System Graduate Program: Mathematics Keywords: Rarefaction Wave InteractionPressure-gradient systemEuler equationconservation lawsRiemann problem File: Download mythesis.pdf Committee Members: Yuxi Zheng, Committee Chair/Co-ChairAlberto Bressan, Committee MemberVictor Nistor, Committee MemberEric M Mockensturm, Committee Member