Dyson's theorem for curves |
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Authors: | C Gasbarri |
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Institution: | Dipartimento di Matematica, dell'Università di Roma “Tor Vergata”, Viale della Ricerca Scientifica, 00133 Roma, RM, Italy |
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Abstract: | Let K be a number field and X1 and X2 two smooth projective curves defined over it. In this paper we prove an analogue of the Dyson theorem for the product X1×X2. If Xi=P1 we find the classical Dyson theorem. In general, it will imply a self contained and easy proof of Siegel theorem on integral points on hyperbolic curves and it will give some insight on effectiveness. This proof is new and avoids the use of Roth and Mordell-Weil theorems, the theory of Linear Forms in Logarithms and the Schmidt subspace theorem. |
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Keywords: | 11G30 11G50 14G40 14H25 |
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