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Abstract: In this paper, we study stability and -gain for a class of switched systems with time-varying delays. Sufficient conditions for exponential stability and weighted -gain are developed for a class of switching signals with average dwell time. These conditions are delay-dependent and are given in the form of linear matrix inequalities (LMIs). As a special case of such switching signals, we can obtain exponential stability and normal -gain under arbitrary switching signals. The state decay estimate is explicitly given. Two examples illustrate the effectiveness and applicability of the proposed method. [Copyright &y& Elsevier]