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Evolution Semigroups For Well-Posed, Non-Autonomous Evolution Families, Austin Keith Scirratt
Evolution Semigroups For Well-Posed, Non-Autonomous Evolution Families, Austin Keith Scirratt
LSU Doctoral Dissertations
The goal of this dissertation is to expand Berhard Koopman's operator theoretic global linearization approach to the study of nonautonomous flows. Given a system with states x in a set \Omega (the state space), a map t\to \gamma(t,s,x) (t\geq s \geq 0) is called a global flow if it describes the time evolution of a system with the initial state x \in \Omega at time t \geq s \geq 0. Koopman's approach to the study of flows is to look at the dynamics of the observables of the states instead of studying the dynamics of the states directly. To do …