An adaptive-rank, greedy-sampling semi-Lagrangian solver with a macroscopic conservation correction is developed for the BGK equation and shown to be accurate, conservative, and conditionally asymptotic-preserving.
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An Adaptive-rank Approach with Greedy Sampling for Multi-scale BGK Equations
An adaptive-rank, greedy-sampling semi-Lagrangian solver with a macroscopic conservation correction is developed for the BGK equation and shown to be accurate, conservative, and conditionally asymptotic-preserving.