Bifurcations in piecewise-smooth continuous systems
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Simpson, David John Warwick
Bifurcations in piecewise-smooth continuous systems
Simpson, David John Warwick
9789814293846
Singapore : World Scientific, 2010
xv, 238 p. : ill. (some col.) ; 24 cm.
World Scientific series on nonlinear science. Series A, Monographs and treatises ; 70
World Scientific series on nonlinear science
World Scientific series on nonlinear science. Series A, Monographs and treatises ;
World Scientific series on nonlinear science
Includes bibliographical references (p. 215-235) and index
Originally presented as: Thesis (Ph.D.)--University of Colorado at Boulder, 2008
Real-world systems that involve some non-smooth change are often well-modeled by piecewise-smooth systems. However there still remain many gaps in the mathematical theory of such systems. This doctoral thesis presents new results regarding bifurcations of piecewise-smooth, continuous, autonomous systems of ordinary differential equations and maps. Various codimension-two, discontinuity induced bifurcations are unfolded in a rigorous manner. Several of these unfoldings are applied to a mathematical model of the growth of Saccharomyces cerevisiae (a common yeast). The nature of resonance near border-collision bifurcations is described; in particular, the curious geometry of resonance tongues in piecewise-smooth continuous maps is explained in detail. Neimark-Sacker-like border-collision bifurcations are both numerically and theoretically investigated. A comprehensive background section is conveniently provided for those with little or no experience in piecewise-smooth systems.
Bifurcation theory
Differential equations
Saccharomyces cerevisiae
Bifurcation theory
Differential equations
Saccharomyces cerevisiae
Real-world systems that involve some non-smooth change are often well-modeled by piecewise-smooth systems. However there still remain many gaps in the mathematical theory of such systems. This doctoral thesis presents new results regarding bifurcations of piecewise-smooth, continuous, autonomous systems of ordinary differential equations and maps. Various codimension-two, discontinuity induced bifurcations are unfolded in a rigorous manner. Several of these unfoldings are applied to a mathematical model of the growth of Saccharomyces cerevisiae (a common yeast). The nature of resonance near border-collision bifurcations is described; in particular, the curious geometry of resonance tongues in piecewise-smooth continuous maps is explained in detail. Neimark-Sacker-like border-collision bifurcations are both numerically and theoretically investigated. A comprehensive background section is conveniently provided for those with little or no experience in piecewise-smooth systems.
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