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Stability is investigated for the following differential equations with nonconstant delay x't=qtFxt-ptfxt-τt, where p:[0,+∞)→[0,+∞), q:[0,+∞)→R, τ:[0,+∞)→[0,r], and F and f:R→R with xfx>0   for   x≠0   and   x≤a (a is a positive constant) are continuous functions. A criterion is given for the zero solution of this delay equation being uniformly stable and asymptotically stable

Stability for a Class of Differential Equations with Nonconstant Delay