70 citations · 388 across the 29 of their papers we have counts for
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math.NA2013★ 15 cited
Banach space projections and Petrov-Galerkin estimates
Ari Stern
We sharpen the classic a priori error estimate of Babuska for Petrov-Galerkin methods on a Banach space. In particular, we do so by (i) introducing a new constant, called the Banac…
math.NA2013★ 18 cited
Modified trigonometric integrators
Robert I. McLachlan, Ari Stern
We study modified trigonometric integrators, which generalize the popular class of trigonometric integrators for highly oscillatory Hamiltonian systems by allowing the fast frequen…