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math.NA2013★ 30 cited
Aromatic Butcher Series
Hans Munthe-Kaas, Olivier Verdier
We show that without other further assumption than affine equivariance and locality, a numerical integrator has an expansion in a generalized form of Butcher series (B-series) whic…
math.NA2013
Symmetric spaces and Lie triple systems in numerical analysis of differential equations
Hans Z. Munthe-Kaas, Gilles Reinout W. Quispel, Antonella Zanna
A remarkable number of different numerical algorithms can be understood and analyzed using the concepts of symmetric spaces and Lie triple systems, which are well known in differen…