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Difference Equations for Functions Analytic Beyond Several Squares

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Abstract

We consider some set of squares constructed for the primitive periods 1 and i and sufficiently distant from each other. In a neighborhood of this set we study a four-element difference equation with constant coefficients whose linear stifts are generators of the corresponding doubly periodic group and their inverses. A solution is sought in the class of functions analytic beyond this set and vanishing at infinity. We show that the solvability of the problem depends essentially not only on the choice of the coefficients but also on the disposition of the squares.

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Authors and Affiliations

  1. Kazan' State Energy University, USSR

    F. N. Garif'yanov

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  1. F. N. Garif'yanov
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Garif'yanov, F.N. Difference Equations for Functions Analytic Beyond Several Squares. Siberian Mathematical Journal 44, 435–442 (2003). https://doi.org/10.1023/A:1023856613786

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  • DOI: https://doi.org/10.1023/A:1023856613786

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