NONLINEAR ANALYSIS
THEORY, METHODS & APPLICATIONS
VOLUME 40 NUMBER 1-8 APRIL-JUNE 2000
(Published 31 May 2000) CONTENTS
SPECIAL ISSUE: Lakshmikantham's Legacy: A Tribute On His 75th Birthday
R. P. AGARWAL and S.G. LEELA R. P. AGARWAL and
D. O'REGAN
S. AHMAD and A. C. LAZER N. U . A H M E D
J. APPELL, E. DE PASCALE and A. VIGNOLI
B. AL'LBACH and T. WANNER V. BARBU, I. LASIECKA and R. TRIGGIANI S. R. BERNFELD
M. CORLESS and G. LEITMANN
1 A brief biography and survey of collected works of V. Lakshmikantham
21 Periodic solutions to nonlinear integral equations on the infinite interval modelling infectious disease 37 Average conditions for global asymptotic stability
in a nonautonomous Lotka-Volterra system 51 Measure solutions for semilinear and quasilinear
evolution equations and their optimal control 73 A comparison of different spectra for nonlinear
operators
91 The Hartman-Grobman theorem for Caratheodory- type differential equations in Banach spaces 105 Extended algebraic Riccati equations in the
abstract hyperbolic case
131 Behavior of orbits near a critical equilibrium of a two-dimensional system
145 Analysis and control of a communicable disease Continued on inside back cover
NONLINEAR ANALYSIS
THEORY, METHODS & APPLICATIONS
VOLUME 40 NUMBER 1-8 APRIL-JUNE 2000
CONTENTS—continued from outside hack cover
173 Nonoscillation, oscillation and convergence of a class of neutral equations
185 Homogenizing the acoustic properties of the seabed: Part I
213 Disturbance rejection in control systems with saturating actuators
227 Modeling fish population dynamics H. A. EL-MORSHEDY
and K. GOPALSAMY
R. P. GILBERT and A. MIKELIC C. GOKCEK, P. T. KABAMBA and S. M. MEERKOV
T. G. HALLAM, R. R. LASSITER and S.M. HENSON
L. HATVANI 251 J I A L I N HONG, R. OBAYA 265 and A. M. SANZ
C.-S. HUANG, S. WANG 279 and K. L. TEO
S. K. KAUL and X. LUJ 295
1. K I G U R A D Z E 309
W. A. KIRK 323 P. E. KLOEDEN and 333 V. S. KOZYAKIN
V. B. KOLMANOVSKII, 345
A. D. MYSHKIS and J.-P. RICHARD
A. KOVALEVSKY and 365 F. NICOLOSI
T. KUSANO, J. JAROS and 381
N. YOSHIDA
A. YA. LEPIN, L. A. LEPIN 397 and A. D. MYSHKIS
On the asymptotic stability for functional differen- tial equations by Lyapunov functionals
Ergodic solutions via ergodic sequences
Solving Hamilton-Jacobi-Bellman equations by a modified method of characteristics
Generalized variation of parameters and stability of impulsive systems
On periodic solutions of rath order ordinary differ- ential equations
Nonexpansive mappings and asymptotic regularity The inflation of attractors and their discretization:
the autonomous case
Estimate of solutions for some Volterra difference equations
On regularity up to the boundary of solutions to degenerate nonlinear elliptic high-order equations A Picone-type identity and Sturmian comparison and oscillation theorems for a class of half-linear partial differential equations of second order Two-point boundary value problem for nonlinear differential equation of nth order
