Journal
JOURNAL OF DIFFERENCE EQUATIONS AND APPLICATIONS
Volume 14, Issue 4, Pages 391-410Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10236190701671632
Keywords
difference equations; global attractor; discrete population models; Schwarzian derivative
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The global attractivity character of nonlinear higher order difference equations of the form x(n+1) = g(x(n), x(n-1), ..., x(n-k)), n >= 0 is investigated when g is dominated by an interval scalar map. Some basic properties of the interval map are obtained and used to prove new global attractivity criteria for the above equation with no monotonicity restrictions on g. Our results are applied to many models from mathematical biology and economy. The derived global attractivity criteria of these models are either new or improve substantially known ones.
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