HRGrad resolves gradient conflicts in multi-task learning for asymptotic-preserving neural networks by encoding small parameters and using a gradient alignment metric, enabling stable training across all Knudsen numbers for BGK and linear transport equations.
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Conflict-Aware Harmonized Rotational Gradient for Multiscale Kinetic Regimes
HRGrad resolves gradient conflicts in multi-task learning for asymptotic-preserving neural networks by encoding small parameters and using a gradient alignment metric, enabling stable training across all Knudsen numbers for BGK and linear transport equations.