Extrapolation methods in Lie groups |
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Authors: | Jörg Wensch |
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Affiliation: | Martin-Luther-Universit?t Halle-Wittenberg, FB Mathematik und Informatik, Institut für Numerische Mathematik, 06120 Halle, Germany; e-mail: wensch@nummulit.mathematik.uni-halle.de, DE
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Abstract: | Summary. The numerical solution of differential equations on Lie groups by extrapolation methods is investigated. The main principles of extrapolation for ordinary differential equations are extended on the general case of differential equations in noncommutative Lie groups. An asymptotic expansion of the global error is given. A symmetric method is given and quadratic asymptotic expansion of the global error is proved. The theoretical results are verified by numerical experiments. Received September 27, 1999 / Revised version received February 14, 2000 / Published online April 5, 2001 |
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Keywords: | Mathematics Subject Classification (1991): 65L06 |
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