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The Baker-Campbell-Hausdorff formula and the convergence of the Magnus expansion

✍ Scribed by Klarsfeld, S; Oteo, J A


Book ID
118245561
Publisher
Institute of Physics
Year
1989
Tongue
English
Weight
373 KB
Volume
22
Category
Article
ISSN
0305-4470

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On the convergence and optimization of t
✍ Sergio Blanes; Fernando Casas πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 296 KB

In this paper the problem of the convergence of the Baker-Campbell-Hausdorff series for Z = log(e X e Y ) is revisited. We collect some previous results about the convergence domain and present a new estimate which improves all of them. We also provide a new expression of the truncated Lie presentat