Poly H. da Silva

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20172022

most citedRandom derangements and the Ewens Sampling Formula

1 citations · 1 across the 4 of their papers we have counts for

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math.PR2022

Another view of sequential sampling in the birth process with immigration

Poly H. da Silva, Arash Jamshidpey, Simon Tavaré

Models of counts-of-counts data have been extensively used in the biological sciences, for example in cancer, population genetics, sampling theory and ecology. In this paper we exp…

math.PR2020★ 1 cited

Random derangements and the Ewens Sampling Formula

Poly H. da Silva, Arash Jamshidpey, Simon Tavaré

We study derangements of ${1, 2, \dots, n}$ under the Ewens distribution with parameter $θ$ . We give the moments and marginal distributions of the cycle counts, the number of cycle…