Rank-adaptive sweep-based SI-DSA with mild space augmentation matches full-rank accuracy and outer iterations while cutting memory and runtime for steady-state RTE even at 30–45% effective rank.
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Highly Efficient Rank-Adaptive Sweep-based SI-DSA for the Radiative Transfer Equation via Mild Space Augmentation
Rank-adaptive sweep-based SI-DSA with mild space augmentation matches full-rank accuracy and outer iterations while cutting memory and runtime for steady-state RTE even at 30–45% effective rank.