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arXiv · 1303.4125

Linear forms in logarithms and integral points on higher-dimensional varieties

Aaron Levin
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Abstract

We apply inequalities from the theory of linear forms in logarithms to deduce effective results on S-integral points on certain higher-dimensional varieties when the cardinality of S is sufficiently small. These results may be viewed as a higher-dimensional version of an effective result of Bilu on integral points on curves. In particular, we prove a completely explicit result for integral points on certain affine subsets of the projective plane. As an application, we generalize an effective result of Vojta on the three-variable unit equation by giving an effective solution of the polynomial unit equation f(u,v)=w, where u,v, and w are S-units, |S|\leq 3, and f is a polynomial satisfying certain conditions (which are generically satisfied). Finally, we compare our results to a higher-dimensional version of Runge's method, which has some characteristics in common with the results here.

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Aaron Levin. 2013-03-18. Linear forms in logarithms and integral points on higher-dimensional varieties. https://doi.org/10.2140/ant.2014.8.647

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