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Author

Richard M. Milbradt

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Preprint Aug 2026

Basis-update and Galerkin time integration in canonical matrix-product-state form

Matrix product state algorithms must enlarge their bond spaces as entanglement grows and compress them to control cost. We formulate basis-update and Galerkin (BUG) time integration as a sequence of canonical MPS sweeps for Hamiltonians represented as matrix product operators. We show when two natural basis updates pro...

Maximilian Fröhlich, Richard M. Milbradt, Martin Eigel et al. · 0 citations

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