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Precise formulae for Bravo coefficients
Authors:Saralees Nadarajah  Tibor K Pogány
Institution:1. University of Manchester, Manchester, UK;2. University of Rijeka, Rijeka, Croatia;3. Óbuda University, Budapest, Hungary
Abstract:Daley et al. assessed the BRAVO (balancing reduces asymptotic variance of outputs) effect of a finite-buffer Markovian many-server system in terms of an asymptotic variance ratio. The expressions given for the ratio in just the two cases considered both appear incorrect. Here, we derive the correct expressions.
Keywords:Error function  Integral  Normal distribution
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