Vojta introduced a dictionary between value distribution theory? of Nevanlinna and Diophantine approximation theory? of Rothand and suggested that this dictionary should continue to hold in higher dimensions. This leads to qualitative conjectures in arithmetic geometry which cover almost every important conjecture in the field; notably the abc conjecture, Mordell's conjecture, some of Lang’s conjecture?s. The perspective given by Arakelov theory is central in Vojta’s conjectures.
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