We show that while Runge-Kutta methods cannot preserve polynomial invariants in general, they can preserve polynomials that are the energy invariant of canonical hamiltonian systems.
@article{M2AN_2009__43_4_645_0,
author = {Celledoni, Elena and McLachlan, Robert I. and McLaren, David I. and Owren, Brynjulf and G. Reinout W. Quispel and Wright, William M.},
title = {Energy-preserving Runge-Kutta methods},
journal = {ESAIM: Mathematical Modelling and Numerical Analysis - Mod\'elisation Math\'ematique et Analyse Num\'erique},
volume = {43},
year = {2009},
pages = {645-649},
doi = {10.1051/m2an/2009020},
mrnumber = {2542869},
zbl = {1169.65348},
language = {en},
url = {http://dml.mathdoc.fr/item/M2AN_2009__43_4_645_0}
}
Celledoni, Elena; McLachlan, Robert I.; McLaren, David I.; Owren, Brynjulf; G. Reinout W. Quispel; Wright, William M. Energy-preserving Runge-Kutta methods. ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 43 (2009) pp. 645-649. doi : 10.1051/m2an/2009020. http://gdmltest.u-ga.fr/item/M2AN_2009__43_4_645_0/
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