Oscillation and comparison theorems for certain neutral difference equations
B. S. Lalli and B. G. Zhang
(Received 1 November 1990; revised 3 November 1991)
Abstract
Some comparison theorems and oscillation criteria are established for the neutral difference equation
D(xn + cxn - m) + pn xn - k, n = 0, 1, 2, ¼,
as well as for certain neutral difference equations with coefficients of arbitrary sign. Neutral difference equations with mixed arguments are also considered.
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Authors
B. S. Lalli
Department of Mathematics, University of Saskatchewan, Saskatoon, Canada, S7N OWO.
B. G. Zhang
Dept. of Appled Math., China.
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