Summary
The multidimensional (partial) difference equation with periodical coefficients is transformed into an equation for a vector sequence. Integral formulae for the vector fundamental solution are developed and some results about its asymptotic properties are explained. As an example, the results are used for a simple difference equation on a hexagonal grid.
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Veit, J. Fundamental solution of a multidimensional difference equation with periodical and matrix coefficients. Aeq. Math. 49, 47–56 (1995). https://doi.org/10.1007/BF01827928
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DOI: https://doi.org/10.1007/BF01827928