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On integral points on surfaces

Pietro Corvaja, Umberto Zannier

math.NTarXiv:math/0206100

Abstract

We study integral points on affine surfaces by means of a new method, relying on the Subspace Theorem. Under suitable assumptions on the divisor at infinity, we prove that the integral points are contained in a curve. As a corollary, we prove that there are only finitely many quadratic integral points on an affine curve with five points at infinity.

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