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Book
Harmonic vector fields : variational principles and differential geometry
Authors: ---
ISBN: 1283288273 9786613288271 0124160328 0124158269 9780124158269 9780124160323 Year: 2012 Publisher: New York : Academic Press,

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Abstract

An excellent reference for anyone needing to examine properties of harmonic vector fields to help them solve research problems. The book provides the main results of harmonic vector ?elds with an emphasis on Riemannian manifolds using past and existing problems to assist you in analyzing and furnishing your own conclusion for further research. It emphasizes a combination of theoretical development with practical applications for a solid treatment of the subject useful to those new to research using differential geometric methods in extensive detail. A useful tool for any

Singularity and dynamics on discontinuous vector fields
Author:
ISBN: 9780444527660 0444527664 9780080480930 0080480934 1281051187 9781281051189 9786611051181 661105118X Year: 2006 Publisher: Amsterdam Oxford Elsevier

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This book discussed fundamental problems in dynamics, which extensively exist in engineering, natural and social sciences. The book presented a basic theory for the interactions among many dynamical systems and for a system whose motions are constrained naturally or artificially. The methodology and techniques presented in this book are applicable to discontinuous dynamical systems in physics, engineering and control. In addition, they may provide useful tools to solve non-traditional dynamics in biology, stock market and internet network et al, which cannot be easily solved by the traditional


Book
Flows of Non-Smooth Vector Fields and Degenerate Elliptic Equations : With Applications to the Vlasov-Poisson and Semigeostrophic Systems
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ISBN: 8876426078 887642606X Year: 2017 Publisher: Pisa : Scuola Normale Superiore : Imprint: Edizioni della Normale,

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The first part of the book is devoted to the transport equation for a given vector field, exploiting the lagrangian structure of solutions. It also treats the regularity of solutions of some degenerate elliptic equations, which appear in the eulerian counterpart of some transport models with congestion. The second part of the book deals with the lagrangian structure of solutions of the Vlasov-Poisson system, which describes the evolution of a system of particles under the self-induced gravitational/electrostatic field, and the existence of solutions of the semigeostrophic system, used in meteorology to describe the motion of large-scale oceanic/atmospheric flows.

Nonlinear oscillations dynamical systems, and bifurcations of vector fields
Authors: ---
ISBN: 0387908196 3540908196 1461270200 1461211409 9780387908199 9783540908197 Year: 1983 Volume: 42 Publisher: New York, N.Y. Springer

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From the reviews: "This book is concerned with the application of methods from dynamical systems and bifurcation theories to the study of nonlinear oscillations. Chapter 1 provides a review of basic results in the theory of dynamical systems, covering both ordinary differential equations and discrete mappings. Chapter 2 presents 4 examples from nonlinear oscillations. Chapter 3 contains a discussion of the methods of local bifurcation theory for flows and maps, including center manifolds and normal forms. Chapter 4 develops analytical methods of averaging and perturbation theory. Close analysis of geometrically defined two-dimensional maps with complicated invariant sets is discussed in chapter 5. Chapter 6 covers global homoclinic and heteroclinic bifurcations. The final chapter shows how the global bifurcations reappear in degenerate local bifurcations and ends with several more models of physical problems which display these behaviors." #Book Review - Engineering Societies Library, New York#1 "An attempt to make research tools concerning 'strange attractors' developed in the last 20 years available to applied scientists and to make clear to research mathematicians the needs in applied works. Emphasis on geometric and topological solutions of differential equations. Applications mainly drawn from nonlinear oscillations." #American Mathematical Monthly#2

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