Dynamical systems and population persistence
著者
書誌事項
Dynamical systems and population persistence
(Graduate studies in mathematics, v. 118)
American Mathematical Society, c2011
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注記
Bibliography: p. 391-402
Includes index
内容説明・目次
内容説明
The mathematical theory of persistence answers questions such as which species, in a mathematical model of interacting species, will survive over the long term. It applies to infinite-dimensional as well as to finite-dimensional dynamical systems, and to discrete-time as well as to continuous-time semiflows. This monograph provides a self-contained treatment of persistence theory that is accessible to graduate students. The key results for deterministic autonomous systems are proved in full detail such as the acyclicity theorem and the tripartition of a global compact attractor. Suitable conditions are given for persistence to imply strong persistence even for nonautonomous semiflows, and time-heterogeneous persistence results are developed using so-called ""average Lyapunov functions"". Applications play a large role in the monograph from the beginning. These include ODE models such as an SEIRS infectious disease in a meta-population and discrete-time nonlinear matrix models of demographic dynamics. Entire chapters are devoted to infinite-dimensional examples including an SI epidemic model with variable infectivity, microbial growth in a tubular bioreactor, and an age-structured model of cells growing in a chemostat.
目次
Preface
Introduction
Semiflows on metric spaces
Compact attractors
Uniform weak persistence
Uniform persistence
The interplay of attractors, repellers, and persistence
Existence of nontrivial fixed points via persistence
Nonlinear matrix models: Main act
Topological approaches to persistence
An SI endemic model with variable infectivity
Semiflows induced by semilinear Cauchy problems
Microbial growth in a tubular bioreactor
Dividing cells in a chemostat
Persistence for nonautonomous dynamical systems
Forced persistence in linear Cauchy problems
Persistence via average Lyapunov functions
Tools from analysis and differential equations
Tools from functional analysis and integral equations
Bibliography
Index
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