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Diophantine approximation on linear algebraic groups : transcendence properties of the exponential function in several variables
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ISBN: 3540667857 9783642086083 364208608X 3662115697 Year: 2000 Volume: 326 Publisher: Berlin ; Heidelberg ; New York Springer Verlag

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Abstract

The theory of transcendental numbers is closely related to the study of diophantine approximation. This book deals with values of the usual exponential function e^z. A central open problem is the conjecture on algebraic independence of logarithms of algebraic numbers. This book includes proofs of the main basic results (theorems of Hermite-Lindemann, Gelfond-Schneider, 6 exponentials theorem), an introduction to height functions with a discussion of Lehmer's problem, several proofs of Baker's theorem as well as explicit measures of linear independence of logarithms. An original feature is that proofs make systematic use of Laurent's interpolation determinants. The most general result is the so-called Theorem of the Linear Subgroup, an effective version of which is also included. It yields new results of simultaneous approximation and of algebraic independence. 2 chapters written by D. Roy provide complete and at the same time simplified proofs of zero estimates (due to P. Philippon) on linear algebraic groups


Book
Many-particle theory
Authors: --- ---
ISBN: 0750300728 0750301554 9780750301558 Year: 1991 Publisher: Bristol Hilger

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Keywords

Approximation de Hartree-Fock --- Fermi liquid theory --- Fermionen --- Fermions --- Hartree-Fock approximatie --- Hartree-Fock approximation --- Many-body problem --- Perturbation (Dynamique quantique) --- Perturbation (Quantum dynamics) --- Problem of many bodies --- Problem of n-bodies --- Probleme a n corps --- Storing (Quantumdynamica) --- n-body problem --- n-lichaamprobleem --- Many-body problem. --- Density functionals. --- Hartree-Fock approximation. --- Problème des N corps --- Fonctionnelles densité --- Perturbation (Mécanique quantique) --- Théorie des liquides de Fermi --- Méthode d'approximation Hartree-Fock --- Fermi liquid theory. --- Fermions. --- Perturbation (Quantum dynamics). --- Problème des N corps --- Fonctionnelles densité --- Perturbation (Mécanique quantique) --- Théorie des liquides de Fermi --- Méthode d'approximation Hartree-Fock --- 530.19 --- 530.19 Fundamental functions in general. Potential. Gradient. Intensity. Capacity etc. --- Fundamental functions in general. Potential. Gradient. Intensity. Capacity etc. --- Density functionals --- Perturbation theory, Quantum mechanical --- Perturbation (Mathematics) --- Quantum theory --- Mechanics, Analytic --- Hartree approximation --- Hartree-Fock-Slater approximation --- Approximation theory --- Atoms --- Energy-band theory of solids --- Self-consistent field theory --- Fermi-Dirac particles --- Particles (Nuclear physics) --- Quantum statistics --- Interacting boson-fermion models --- Leptons (Nuclear physics) --- Landau Fermi liquid theory --- Landau theory of Fermi liquids --- Landau's theory of Fermi liquids --- Fermi liquids --- Density functional methods --- Density functional theory --- Functional methods, Density --- Functionals, Density --- Functional analysis --- Fundamental functions in general. Potential. Gradient. Intensity. Capacity etc --- Quantum mechanics. Quantumfield theory

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