arXiv · 2602.12103
Local Integrable Symmetries of Diffieties
Abstract
In the framework of diffieties, introduced by Vinogradov, we introduce integrable infinitesimal symmetries and show that they define a one parameter pseudogroup of local diffiety morphisms. We prove some preliminary results allowing to reduce the computation of integrable infinitesimal symmetries of a given order to solving a system of partial differential equations.We provide examples for which we can reduce to a linear system that can be solved by hand computation, and investigate some consequences for the local classification of diffiety, with a special interest for testing if a diffiety is flat.
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François Ollivier, Yirmeyahu J. Kaminski. 2026-02-12. Local Integrable Symmetries of Diffieties. https://arxiv.org/abs/2602.12103
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