Iterative soft thresholding is combined with collocation-based time stepping to produce low-rank solutions of evolution equations whose ranks stay quasi-optimal for the achieved accuracy.
Iterative methods based on soft thresholding of hierarchical tensors
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Iterative thresholding low-rank time integration
Iterative soft thresholding is combined with collocation-based time stepping to produce low-rank solutions of evolution equations whose ranks stay quasi-optimal for the achieved accuracy.