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math.PR2025
Distributions based on Stable Mixtures and Gamma-Stable Convolutions
Nomvelo Karabo Sibisi
This paper explores mixture distributions induced by a product of the positive stable random variable and a power of another positive random variable. The paper also considers the…
math.PR2021
A Cluster Model for Growth of Random Trees
Nomvelo Sibisi
We first consider the growth of trees by probabilistic attachment of new vertices to leaves. This leads to a growth model based on vertex clusters and probabilities assigned to clu…