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MEROMORPHIC FUNCTIONS OVER NON-ARCHIMEDEAN FIELDS IBD

CHUNG CHUN YANG / PEI CHU HU
SPRINGER
11 / 2012
9789401594165
Inglés

Sinopsis

Nevanlinna theory (or value distribution theory) in complex analysis is so beautiful that one would naturally be interested in determining how such a theory would look in the non¡ Archimedean analysis and Diophantine approximations. There are two 'main theorems' and defect relations that occupy a central place in N evanlinna theory. They generate a lot of applications in studying uniqueness of meromorphic functions, global solutions of differential equations, dynamics, and so on. In this book, we will introduce non-Archimedean analogues of Nevanlinna theory and its applications. In value distribution theory, the main problem is that given a holomorphic curve f : C -+ M into a projective variety M of dimension n and a family 01 of hypersurfaces on M, under a proper condition of non-degeneracy on f, find the defect relation. If 01 n is a family of hyperplanes on M = r in general position and if the smallest dimension of linear subspaces containing the image f(C) is k, Cartan conjectured that the bound of defect relation is 2n - k + 1. Generally, if 01 is a family of admissible or normal crossings hypersurfaces, there are respectively Shiffman?s conjecture and Griffiths-Lang?s conjecture. Here we list the process of this problem: A. Complex analysis: (i) Constant targets: R. Nevanlinna[98] for n = k = 1, H. Cartan [20] for n = k > 1, E. I. Nochka [99], [100],[101] for n > k ~ 1, Shiffman?s conjecture partially solved by Hu-Yang [71J, Griffiths-Lang?s conjecture (open).