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On the Arakelov theory of elliptic curves

Robin de Jong

math.NTarXiv:math/0312359

Abstract

This note contains an elementary discussion of the Arakelov intersection theory of elliptic curves. The main new results are a projection formula for elliptic arithmetic surfaces and a formula for the "energy" of an isogeny between Riemann surfaces of genus 1. The latter formula provides an answer to a question originally posed by Szpiro.

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