Geodesic
Skolem–Mahler–Lech type theorems and Picard–Vessiot theory
Journal of the European Mathematical Society, Tome 17 (2015) no. 3, pp. 523-533.

Voir la notice de l'article provenant de la source EMS Press

We show that three problems involving linear difference equations with rational function coefficients are essentially equivalent. The first problem is the generalization of the classical Skolem–Mahler–Lech theorem to rational function coefficients. The second problem is whether or not for a given linear difference equation there exists a Picard–Vessiot extension inside the ring of sequences. The third problem is a certain special case of the dynamical Mordell–Lang conjecture. This allows us to deduce solutions to the first two problems in a particular but fairly general special case.
DOI : 10.4171/jems/509
Classification : 12-XX, 00-XX, 11-XX, 39-XX
Keywords: Linear difference equations, Picard–Vessiot theory, Skolem–Mahler–Lech theorem, dynamical Mordell–Lang conjecture 
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     author = {Michael Wibmer},
     title = {Skolem{\textendash}Mahler{\textendash}Lech type theorems and {Picard{\textendash}Vessiot} theory},
     journal = {Journal of the European Mathematical Society},
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     doi = {10.4171/jems/509},
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Michael Wibmer. Skolem–Mahler–Lech type theorems and Picard–Vessiot theory. Journal of the European Mathematical Society, Tome 17 (2015) no. 3, pp. 523-533. doi : 10.4171/jems/509. http://geodesic.mathdoc.fr/articles/10.4171/jems/509/

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