h.m mohammadinezhad - department of mathematics university of birjand
m.h moslehi - department of mathematics payamnoor university

In this paper we consider the fuzzy differential equation of the form: ( ) and study the existence the uniqueness and the unboundedness of the solutions of it. For this we assume that p,q are constant real and w is a constant natural numbers but initial value x0 is a fuzzy number.

fuzzy differential equations with piecewise constant argument , a-cuts,fuzzy number,seikkala derivative