Dynamics of Third-Order Rational Difference Equations with Open Problems and Conjectures

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ISBN 9781584887652
Cat# C7656
 

Features

  • Uses rational equations as prototypes for the development of the basic theory in nonlinear difference equations
  • Presents known results and/or derives new results on each of the 225 special cases of third order rational difference equations
  • Includes a variety of challenging open problems and conjectures based on thorough computer observations and substantial analytical investigations to stimulate further research in the field
  • Provides tabulated information 225 special cases of third order rational difference equations and on the boundedness character of 961 special cases of fourth order rational difference equations
  • Summary

    Extending and generalizing the results of rational equations,

    Dynamics of Third Order Rational Difference Equations with Open Problems and Conjectures focuses on the boundedness nature of solutions, the global stability of equilibrium points, the periodic character of solutions, and the convergence to periodic solutions, including their periodic trichotomies. The book also provides numerous thought-provoking open problems and conjectures on the boundedness character, global stability, and periodic behavior of solutions of rational difference equations.

    After introducing several basic definitions and general results, the authors examine 135 special cases of rational difference equations that have only bounded solutions and the equations that have unbounded solutions in some range of their parameters. They then explore the seven known nonlinear periodic trichotomies of third order rational difference equations. The main part of the book presents the known results of each of the 225 special cases of third order rational difference equations. In addition, the appendices supply tables that feature important information on these cases as well as on the boundedness character of all fourth order rational difference equations.

    A Framework for Future Research

    The theory and techniques developed in this book to understand the dynamics of rational difference equations will be useful in analyzing the equations in any mathematical model that involves difference equations. Moreover, the stimulating conjectures will promote future investigations in this fascinating, yet surprisingly little known area of research.

    Table of Contents

    Preface
    INTRODUCTION
    Preliminaries
    Definitions of Stability
    Linearized Stability Analysis
    Semicycle Analysis
    A Comparison Result
    Full Limiting Sequences
    Convergence Theorems
    Equations with Bounded Solutions
    Some Straightforward Cases
    The Second Order Rational Equation
    Boundedness by Iteration
    Boundedness of Special Cases
    Existence of Unbounded Solutions
    Unbounded Solutions
    Period Trichotomies
    Existence of Prime Period-Two Solutions
    Period-Two Trichotomies
    Period-Three Trichotomy
    Period-Four Trichotomy
    Period-Five Trichotomy
    Period-Six Trichotomy
    Known Results for Each of the 225 Special Cases
    Equations
    Appendices
    Bibliography
    Index
    Each chapter contains an Introduction.