Binary operations in the set of solutions of a partial difference equation
Abstract: Let be a partial difference operator with constant coefficients in n independent (discrete) variables, and let . We introduce a certain class of binary operations generalizing a binary operation introduced by Duffin and Rohrer.
- R. J. Duffin and Joan Rohrer Hundhausen, A convolution product for the solutions of partial difference equations, Duke Math. J. 35 (1968), 683-698. MR 39 # 1831. MR 0240484 (39:1831)
- R. J. Duffin and C. S. Duris, A convolution product for discrete function theory, Duke Math. J. 31 (1964), 199-220. MR 29 #429. MR 0163126 (29:429)
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