Oscillation of a class of delay partial difference equations. (English) Zbl 0856.39015

The paper deals with a class of partial difference equations of the form \[ u (i + 1,j) + u(i,j + 1) - u(i,j) + p(i,j) u(i - \sigma,j - \tau) = 0, \] where delays \(\sigma\) and \(\tau\) are nonnegative integers. Some oscillation criteria for these equations are obtained.


39A12 Discrete version of topics in analysis
39A10 Additive difference equations
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