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Sturm-Liouville theory : past and present
Authors: --- ---
ISBN: 3764370661 9783764370664 9786610235117 128023511X 3764373598 Year: 2005 Publisher: Basel : Birkhäuser,


Periodical
Nonautonomous Dynamical Systems
ISSN: 23530626 Publisher: Poland De Gruyter


Periodical
Electronic journal of qualitative theory of differential equations.
ISSN: 14173875 Year: 1998 Publisher: Szeged, Hungary : Electronic Journal of Qualitative Theory of Differential Equations,

Qualitative Theory of Planar Differential Systems
Authors: --- ---
ISBN: 3540329021 3540328939 Year: 2006 Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer,

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Abstract

The book deals essentially with systems of polynomial autonomous ordinary differential equations in two real variables. The emphasis is mainly qualitative, although attention is also given to more algebraic aspects as a thorough study of the center/focus problem and recent results on integrability. In the last two chapters the performant software tool P4 is introduced: based on both algebraic manipulation and numerical calculation, this was conceived for the purpose of drawing "Polynomial Planar Phase Portraits" on part of the plane, or on a Poincaré compactification, or even on a Poincaré-Lyapunov compactification of the plane. From the start, differential systems are represented by vector fields enabling, in full strength, a dynamical systems approach. All essential notions, including invariant manifolds, normal forms, desingularization of singularities, index theory and limit cycles, are introduced and the main results are proved for smooth systems with the necessary specifications for analytic and polynomial systems. The book is very appropriate for a first course in dynamical systems, presenting the basic notions in the study of individual two dimensional systems. Not only does it provide simple and appropriate proofs, but it also contains a lot of exercises and presents a survey of interesting results with the necessary references to the literature.

Topology-based methods in visualization
Authors: --- ---
ISBN: 1280863781 9786610863785 3540708235 3540708227 Year: 2007 Publisher: Berlin ; New York : Springer,

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Enabling insight into large and complex datasets is a prevalent theme in visualization research for which different approaches are pursued. Topology-based methods are built on the idea of abstracting characteristic structures such as the topological skeleton from the data and to construct the visualizations accordingly. There are currently new demands for and renewed interest in topology-based visualization solutions. This book presents 13 peer-reviewed papers as written results from the 2005 workshop “Topology-Based Methods in Visualization” that was initiated to enable additional stimulation in this field. It contains a longer chapter dedicated to a survey of the state-of-the-art, as well as a great deal of original work by leading experts that has not been published before, spanning both theory and applications. It captures key concepts and novel ideas and serves as an overview of current trends in topology-based visualization research.


Book
Heteroclinic solutions for a class of fourth order ordinary differential equations
Author:
ISSN: 03650936 ISBN: 2803102242 9782803102242 Year: 2006 Volume: 23 Publisher: Bruxelles : Académie Royale de Belgique,


Book
Qualitative Theory of Volterra Difference Equations
Author:
ISBN: 3319971891 3319971905 Year: 2018 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Abstract

This book provides a comprehensive and systematic approach to the study of the qualitative theory of boundedness, periodicity, and stability of Volterra difference equations. The book bridges together the theoretical aspects of Volterra difference equations with its applications to population dynamics. Applications to real-world problems and open-ended problems are included throughout. This book will be of use as a primary reference to researchers and graduate students who are interested in the study of boundedness of solutions, the stability of the zero solution, or in the existence of periodic solutions using Lyapunov functionals and the notion of fixed point theory.


Book
Qualitative Analysis of Set-Valued Differential Equations
Author:
ISBN: 303007644X 3030076431 Year: 2019 Publisher: Cham : Springer International Publishing : Imprint: Birkhäuser,

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Abstract

The book discusses set-valued differential equations defined in terms of the Hukuhara derivative. Focusing on equations with uncertainty, i.e., including an unknown parameter, it introduces a regularlization method to handle them. The main tools for qualitative analysis are the principle of comparison of Chaplygin – Wazhewsky, developed for the scalar, vector and matrix-valued Lyapunov functions and the method of nonlinear integral inequalities, which are used to establish existence, stability or boundedness. Driven by the question of how to model real processes using a set-valued of differential equations, the book lays the theoretical foundations for further study in this area. It is intended for experts working in the field of qualitative analysis of differential and other types of equations.

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