Algebraic Independence (Tata Institute of Fundamental) - Softcover

Yu. V. Nesterenko

9788173199844: Algebraic Independence (Tata Institute of Fundamental)

Softcover

ISBN 10: 8173199841 ISBN 13: 9788173199844

Publisher: Amer Mathematical Society, 2009

This book is an expanded version of the notes of a course of lectures given by at the Tata Institute of Fundamental Research in 1998. It deals with several important results and methods in transcendental number theory. First, the classical result of Lindemann-Weierstrass and its applications are dealt with. Subsequently, Siegel's theory of E-functions is developed systematically, culminating in Shidlovskii's theorem on the algebraic independence of the values of the E-functions satisfying a system of differential equations at certain algebraic values. Proof of the Gelfond-Schneider Theorem is given based on the method of interpolation determinants introduced in 1992 by M. Laurent.The author's famous result in 1996 on the algebraic independence of the values of the Ramanujan functions is the main theme of the reminder of the book. After deriving several beautiful consequences of his result, the author develops the algebraic material necessary for the proof. The two important technical tools in the proof are Philippon's criterion for algebraic independence and zero bound for Ramanujan functions. The proofs of these are covered in detail.The author also presents a direct method, without using any criterion for algebraic independence as that of Philippon, by which one can obtain lower bounds for transcendence degree of finitely generated field Q([omega]1,. ..,[omega]m). This is a contribution towards Schanuel's conjecture.The book is self-contained and the proofs are clear and lucid. A brief history of the topics is also given. Some sections intersect with Chapters 3 and 10 of "Introduction to Algebraic Independence Theory, Lecture Notes in Mathematics, Springer, 1752", edited by Yu. V. Nesterenko and P. Philippon.

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About the Author:

Yu. V. Nesterenko.: Faculty of Mechanics and Mathematics Moscow State University, 119899 Moscow (Russia)

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