A cell-wise primary storage for continuous high-order FEM enables exact matrix-free CG iteration on GPUs by confining communication to the preconditioner and realizing DSS via sequential axis face exchanges without gather-scatter or atomics.
SIAM Journal on Scientific Computing , volume=
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2026 2verdicts
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NL-RMM-GKS extends majorization-minimization and Krylov subspace recycling to nonlinear inverse problems with uncertain forward operators, offering alternating minimization, variable projection, and streaming variants for dynamic imaging.
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Coalesced Matrix-Free Finite Elements in Cell-Wise Storage
A cell-wise primary storage for continuous high-order FEM enables exact matrix-free CG iteration on GPUs by confining communication to the preconditioner and realizing DSS via sequential axis face exchanges without gather-scatter or atomics.
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Nonlinear RMM-GKS for Large-Scale Dynamic and Streaming Inverse Problems with Uncertain Forward Operators
NL-RMM-GKS extends majorization-minimization and Krylov subspace recycling to nonlinear inverse problems with uncertain forward operators, offering alternating minimization, variable projection, and streaming variants for dynamic imaging.