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A computer assisted approach to Hilbert's 16th problem


A computer assisted approach to Hilbert's 16th problem

Huang, Xianhua (1999) A computer assisted approach to Hilbert's 16th problem. Masters thesis, Concordia University.

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In this thesis, we discuss a new approach to the Hilbert 16th problem via computer assisted analysis. In Chapter 1, we briefly recall the basic concepts of differential equations and the history of Hilbert's 16th problem. In Chapter 2, we describe multiparameter vectors, their bifurcations and rotated vector fields. In Chapter 3, we introduce parameter continuation methods and applications to multiparameter vectors. In Chapter 4, we summarize recent studies of quadratic systems and address the most used methods, including the uniqueness theorems and classifications of Hopf bifurcations. In Chapter 5, we mention examples of cubic systems having eleven limit cycles and the cubic systems of Lienard type. In Chapter 6, we apply parameter-continuation method to compute the limit cycle bifurcation diagram for quadratic systems of special interest, whose limit cycles can not be determined with the techniques of qualitative theory. Our computations support the assumption that quadratic systems have at most four limit cycles. In Chapter 7, parameter-continuation methods are applied to investigate some Lienard cubic systems.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Computer Science and Software Engineering
Item Type:Thesis (Masters)
Authors:Huang, Xianhua
Pagination:ix, 136 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:M. Comp. Sc.
Program:Computer Science and Software Engineering
Thesis Supervisor(s):Doedel, E. J.
Identification Number:QA 371 H76 1999
ID Code:759
Deposited By: Concordia University Library
Deposited On:27 Aug 2009 17:14
Last Modified:13 Jul 2020 19:47
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