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arxiv: 1812.07379 · v1 · pith:5SYADNQ2new · submitted 2018-12-14 · 🧮 math.AP

Optimal density lower bound on nonisentropic gas dynamics

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keywords bounddensitylowernonisentropicoptimalcompressibledependentdynamics
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In this paper, we prove a time dependent lower bound on density in the optimal order $O(1/(1+t))$ for the general smooth nonisentropic flow of compressible Euler equations.

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