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Skolem-Mahler-Lech type theorems and Picard-Vessiot theory by Wibmer, Michael is a scholarly article available to read on EtoBox.

What is Skolem-Mahler-Lech type theorems and Picard-Vessiot theory about?

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 the question 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.

Author

Wibmer, Michael

Published

2012

Language

EN