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Showing 1 to 1 of 1 for “"Magnus--Zassenhaus schemes"”.
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High accuracy computational methods for the semiclassical Schrödinger equation
… develop a new technique, called the symmetric Zassenhaus splitting procedure, which involves directly splitting the exponential of the undiscretised Hamiltonian. This technique allows us to design methods that are highly efficient in the semiclassical regime. Our analysis takes place in the Lie …