W.C. Troy - Böcker
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2 produkter
2 produkter
Del 45 - Progress in Nonlinear Differential Equations and Their Applications
Spatial Patterns
Higher Order Models in Physics and Mechanics
Inbunden, Engelska, 2001
540 kr
Skickas inom 10-15 vardagar
This monograph is divided into two parts. The first part presents unifying properties of a family of the new higher order model equations, as well as a new mathematical way of studying them. Topics include the stationary solutions of the Swift-Hohenberg equation and the extended Fisher-Kolmogorov equation which are well established fourth non-linear model equations of parabolic type. In the second part, the exposition centres around applications of the theory presented earlier. Exercises for self-study or classroom use are included.
Del 45 - Progress in Nonlinear Differential Equations and Their Applications
Spatial Patterns
Higher Order Models in Physics and Mechanics
Häftad, Engelska, 2012
537 kr
Skickas inom 10-15 vardagar
The study of spatial patterns in extended systems, and their evolution with time, poses challenging questions for physicists and mathematicians alike. Waves on water, pulses in optical fibers, periodic structures in alloys, folds in rock formations, and cloud patterns in the sky: patterns are omnipresent in the world around us. Their variety and complexity make them a rich area of study. In the study of these phenomena an important role is played by well-chosen model equations, which are often simpler than the full equations describing the physical or biological system, but still capture its essential features. Through a thorough analysis of these model equations one hopes to glean a better under standing of the underlying mechanisms that are responsible for the formation and evolution of complex patterns. Classical model equations have typically been second-order partial differential equations. As an example we mention the widely studied Fisher-Kolmogorov or Allen-Cahn equation, originally proposed in 1937 as a model for the interaction of dispersal and fitness in biological populations. As another example we mention the Burgers equation, proposed in 1939 to study the interaction of diffusion and nonlinear convection in an attempt to understand the phenomenon of turbulence. Both of these are nonlinear second-order diffusion equations.