Abstract
We propose an FFT-based algorithm for computing fundamental solutions of difference operators with constant coefficients. Our main contribution is to handle cases where the symbol has zeros.
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Brandén, H., Sundqvist, P. An Algorithm for Computing Fundamental Solutions of Difference Operators. Numer Algor 36, 331–343 (2004). https://doi.org/10.1007/s11075-004-2879-7
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DOI: https://doi.org/10.1007/s11075-004-2879-7