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 A weakly negative structure of stochastic ordering Bull. Korean Math. Soc. 1997 Vol. 34, No. 2, 211-223 Jong-Il Baek WonKwang University Abstract : In this paper we introduce a new concept of more weakly quadrant dependence of hitting times of stochastic processes. This concept is weaker than the more negatively quadrant dependence and it is closed under some statistical operations of weakly negative quadrant dependence $WNQD$ ordering. Some examples are presented. Keywords : Hitting time, $WNQD, SD(SI)$, Convolution, limit in MSC numbers : primary 60G99 : secondary 60G20 Downloads: Full-text PDF