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arXiv:math/0410262 [math.AG]AbstractReferencesReviewsResources

Periodic points on Veech surfaces and the Mordell-Weil group over a Teichmueller curve

Martin Moeller

Published 2004-10-11, updated 2005-04-13Version 2

Periodic points are points on Veech surfaces, whose orbit under the group of affine diffeomorphisms is finite. We characterise those points as being torsion points if the Veech surfaces is suitably mapped to its Jacobian or an appropriate factor thereof. For a primitive Veech surface in genus two we show that the only periodic points are the Weierstrass points and the singularities. Our main tool is the Hodge-theoretic characterisation of Teichmueller curves. We deduce from it a finiteness result for the Mordell-Weil group of the family of Jacobians over a Teichmueller curve.

Comments: 13 pages, Thm. 2.5 (now Thm 2.6) corrected and improved
Categories: math.AG, math.GT
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