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diffusion synthetic acceleration 1low-rank approximation 1radiative transfer equation 1rank adaptation 1source iteration 1

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math.NA2026

Highly Efficient Rank-Adaptive Sweep-based SI-DSA for the Radiative Transfer Equation via Mild Space Augmentation

Wei Guo, Zhichao Peng

The paper proposes a rank‑adaptive sweep‑based source‑iteration method with diffusion synthetic acceleration for solving the steady‑state radiative transfer equation, using mild sp…