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Differentially Transcendental Functions

Zarko Mijajlovic, Branko Malesevic

math.GMarXiv:math/0412354

Abstract

The aim of this paper is to exhibit a method for proving that certain analytic functions are not solutions of algebraic differential equations. The method is based on model-theoretic properties of differential fields and properties of certain known transcendental differential functions, as of Γ(x). Furthermore, it also determines differential transcendency of solution of some functional equations.

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