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This paper focuses on the H∞ stability criteria of nonlinear Markovian jump fuzzy systems with time-varying delays.In order to obtain less conservatism,an improved delay partitioning method is introduced,which can divide the delay interval into multiple unequal segments with a geometric sequence.An appropriate Lyapunov-Krasovskii functional is established to analyze stochastic stability of the concerned system.Then,less conservative delay-dependent stability criteria are obtained by using linear matrix inequalities(LMIs)technique.Finally,a numerical example is given to show the effectiveness of the obtained results.