TY - JOUR T1 - $L^6$ Bound for Boltzmann Diffusive Limit AU - Guo , Yan JO - Annals of Applied Mathematics VL - 3 SP - 249 EP - 265 PY - 2022 DA - 2022/06 SN - 32 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/aam/20641.html KW - $L^6$ estimate, Boltzmann equation, diffusive limit. AB -

We consider diffusive limit of the Boltzmann equation in a periodic box. We establish $L^6$ estimate for the hydrodynamic part $\mathbf{P}f$ of particle distribution function, which leads to uniform bounds global in time.