International Journal of Nonlinear Sciences and Numerical Simulation

Vol. 6, No. 2, 2005

CONTENTS

In Search of 9 Hidden Particles

J.H. He ----------------------------------------------------------------------------------------------------- 93

On a Fuzzy Kähler-like Manifold which is Consistent with the Two Slit Experiment

M. S. El Naschie ----------------------------------------------------------------------------------------- 95

On an Improved Complex Tanh-function Method

H. A. Abdusalam ----------------------------------------------------------------------------------------- 99

Fractal Analysis of Day-to-Day Variation of Heart Rate and Blood Pressure: A Case Report

J. T. Kuikka --------------------------------------------------------------------------------------------- 107

Motion Planning of a Nonholonomic Multibody System Using Genetic Algorithm

X.-S. Ge, L.-Q. Chen, Y.-Z. Liu ----------------------------------------------------------------------- 113

On the Existence of Extremal Positive Definite Solutions of a Kind of Matrix Equation

Mohamed A. Ramadan -------------------------------------------------------------------------------- 121

The Spike Order of the Winnerless Competition (WLC) Model and Its
Application to the Inhibition Neural System

S. Liu, T. Fan, Q. Lu ----------------------------------------------------------------------------------- 133

A Hysteresis Model for Magneto-rheological Damper

S. Yang , S. Li, X. Wang, F. Gordaninejad, G. Hitchcock -------------------------------------- 139

The Effect of Folding on Covering Spaces, Immersions and Bifurcation for
Chaotic Manifolds

S .I. Nada ------------------------------------------------------------------------------------------------ 145

New Exact Solutions for (3+1)-Dimensional Kadomtsev- Petviashvili Equation and Generalized (2+1)-Dimensional Boussinesq Equation

M. F. El-Sabbagh, A. T. Ali --------------------------------------------------------------------------- 151

Application of He's Homotopy Perturbation Method to Volterra's Integro-differential Equation

M. El-Shahed -------------------------------------------------------------------------------------------- 163

Permanence and Complexity of a Three Species Food Chain with Impulsive Effect on the Top Predator

F. Wang, S. Zhang, L. Chen, L. Sun ---------------------------------------------------------------- 169

Particular Symmetry in RNA sequence of SARS and the Origin of SARS Coronavirus

X. Xiao, J.-S. Yao, S.-H. Shao, Z.-J. Li, Y.-S. Zhu, Z.-D. Huang ------------------------------- 181

Nonlinear Dynamics and Chaos Control for a Time Delay Duffing System

Z.-M. Ge, C.-L. Hsiao, Y.-S. Chen ------------------------------------------------------------------- 187

Adaptive Synchronization of a Unified Chaotic System with an Uncertain Parameter

J. H. Park ------------------------------------------------------------------------------------------------ 201

Homotopy Perturbation Method for Bifurcation of Nonlinear Problems

J. H. He -------------------------------------------------------------------------------------------------- 207

Search for Variational Principles in Electrodynamics by Lagrange Method

T.-H. Hao ------------------------------------------------------------------------------------------------ 209