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math.NA2026
Robust Block Preconditioning for 3D nonlinear steady-state radiation transport equations
Yunpan Ma, Lingxiao Li, Changhui Yao
In this work, based on the discrete ordinate method, we propose a robust block preconditioning strategy for the 3D nonlinear steady-state radiation transport equation with heat dif…
math.NA2026
Optimal error estimate of an isoparametric upwind discontinuous Galerkin method for radiation transport equation on curved domains
Changhui Yao, Yunpan Ma, Lingxiao Li
In recent years, high-order finite element methods on high-order meshes have attracted considerable attention. This work investigates the isoparametric upwind discontinuous Galerki…