The Magnus expansion and Post-Lie algebras
Numerical Analysis
2021-02-01 v2 Numerical Analysis
Abstract
We relate the classical and post-Lie Magnus expansions. Intertwining algebraic and geometric arguments allows to placing the classical Magnus expansion in the context of Lie group integrators.
Keywords
Cite
@article{arxiv.1808.04156,
title = {The Magnus expansion and Post-Lie algebras},
author = {Charles Curry and Kurusch Ebrahimi-Fard and Brynjulf Owren},
journal= {arXiv preprint arXiv:1808.04156},
year = {2021}
}
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final version