Publication

Regularity for the Boltzmann Equation Conditional to Pressure and Moment Bounds

Xavier Fernandez-Real Girona
2025

Abstract

We prove that solutions to the Boltzmann equation without cut-off satisfying pointwise bounds on some observables (mass, pressure, and suitable moments) enjoy a uniform bound in $L^\infty$ in the case of hard potentials. As a consequence, we derive $C^{\infty }$ estimates and decay estimates for all derivatives, conditional to these macroscopic bounds. Our $L^\infty$ estimates are uniform in the limit $s \nearrow 1$ and hence we recover the same results also for the Landau equation.

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Xavier Fernandez-Real Girona
2025

Abstract

Official source

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