3 papers
math.PR2021
Unbalanced multi-drawing urn with random addition matrix II
Rafik Aguech, Wissem Jedidi, Olfa Selmi
An extended Polya urn Model with two colors, black and white, is studied with some SLLN and CLT on the proportion of white balls.
math.PR2018
Unbalanced urn model with random addition
Rafik Aguech, Nabil Lasmar, Olfa Selmi
In this paper, we consider a multi-drawing urn model with random addition. At each discrete time step, we draw a sample of m balls. According to the composition of the drawn colors…
math.PR2017
On weighted depths in random binary search trees
Rafik Aguech, Anis Amri, Henning Sulzbach
Following the model introduced by Aguech, Lasmar and Mahmoud [Probab. Engrg. Inform. Sci. 21 (2007) 133-141], the weighted depth of a node in a labelled rooted tree is the sum of a…