Geodesic
Sufficient conditions of algebraicity of generating functions of the solutions of multidimensional difference equations
The Bulletin of Irkutsk State University. Series Mathematics, Tome 6 (2013) no. 3, pp. 88-96

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In this paper we study difference equations (recurrence relations) in rational lattice cones. It is found the relation between generating functions of the initial data and generating functions of the solutions of Cauchy problem for multidimensional difference equations. It is proved that condition of algebraicity (rationality) of generating functions of the initial data is sufficient condition of algebraicity (rationality) of generating functions of the solution.
Keywords: multidimensional difference equations; Cauchy problem; generating function. 
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     title = {Sufficient conditions of algebraicity of generating functions of the solutions of multidimensional difference equations},
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T. I. Nekrasova. Sufficient conditions of algebraicity of generating functions of the solutions of multidimensional difference equations. The Bulletin of Irkutsk State University. Series Mathematics, Tome 6 (2013) no. 3, pp. 88-96. http://geodesic.mathdoc.fr/item/IIGUM_2013_6_3_a6/