Renormalization, isogenies and rational symmetries of differential equations

Abstract : We give an example of infinite order rational transformation that leaves a linear differential equation covariant. This example can be seen as a non-trivial but still simple illustration of an exact representation of the renormalization group.
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https://hal.inria.fr/hal-00780425
Contributeur : Alin Bostan <>
Soumis le : mercredi 23 janvier 2013 - 22:09:26
Dernière modification le : jeudi 11 janvier 2018 - 06:12:13

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  • HAL Id : hal-00780425, version 1
  • ARXIV : 0911.5466

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A. Bostan, S. Boukraa, S. Hassani, J. -M. Maillard, J-A. Weil, et al.. Renormalization, isogenies and rational symmetries of differential equations. 36 pages. 2010. 〈hal-00780425〉

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