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On the Simulation of General Multivariate Gamma Distributions using Dickman Approximations
Michael Grabchak, Xingnan Zhang · 2024-03-30 · via math.PR updates on arXiv.org

We derive a Dickman approximation for the small jumps of a large class of multivariate Lévy processes. We then apply this approximation to develop a simulation method for the class of general multivariate gamma distributions (GMGD). A small-scale simulation study suggests that this method works very well.

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