Volume 14, Number 1 (2019)

CONTENTS

Time Scales Delta Iyengar-Type Inequalities

pp. 1-24

George A. Anastassiou

The Discrete Diamond-Alpha Imaginary Ellipse and Hyers-Ulam Stability

pp. 25-38

Douglas Anderson

Improved Oscillation Tests for Retarded Difference Equations

pp. 39-58

George E. Chatzarakis and Irena Jadlovská

Global Dynamics of a Cooperative System with Ceiling Density Dependence

pp. 59-74

Mustafa R. S. Kulenović and Sarah Van Beaver

Qualitative Analysis of Nonconvolution Volterra Summation Equations

pp. 75-89

Youssef N. Raffoul