PERSISTENCE AND GLOBAL STABILITY FOR A CLASS OF DISCRETE TIME STRUCTURED POPULATION MODELS

讲座名称: PERSISTENCE AND GLOBAL STABILITY FOR A CLASS OF DISCRETE TIME STRUCTURED POPULATION MODELS
讲座时间: 2013-10-15
讲座人: Hal Smith
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校区: 兴庆校区
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讲座内容: 题 目:PERSISTENCE AND GLOBAL STABILITY FOR A CLASS OF  DISCRETE TIME STRUCTURED POPULATION MODELS 主讲人:Hal Smith 教授 单 位:美国 Arizona State University 时 间:2013年10月15日上午 9:00 地 点:理科楼-202 摘 要:We obtain sharp conditions distinguishing extinction from persistence and provide sufficient conditions for global stability of a positive fixed point for a class of discrete time dynamical systems on the positive cone of an ordered Banach space generated by a map which is, roughly speaking, a nonlinear, rank one perturbation of a linear contraction. Such maps were considered by Rebarber, Tenhumberg, and Towney (Theor. Pop. Biol. 81, 2012) as abstractions of a restricted class of density dependent integral population projection models modeling plant population dynamics. Significant improvements of their results are provided.
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