0710.1669Oct 9, 200713 pages. The results of this preprint have been subsumed by those of the authors' more recent preprint "Periodic points, linearizing maps, and the dynamical Mordell-Lang problem" (arXiv:0805.1560v1)
Mordell-Lang and Skolem-Mahler-Lech theorems for endomorphisms of semiabelian varieties
Dragos Ghioca, Thomas J. Tucker
Abstract
Using the Skolem-Mahler-Lech theorem, we prove a dynamical Mordell-Lang conjecture for semiabelian varieties.