• Fractional negative binomial and Pólya processes

Fractional negative binomial and Pólya processes

DOI: https://doi.org/10.19195/0208-4147.38.1.5
Palaniappan Vellai Samy
Google Scholar Palaniappan Vellai Samy
Aditya Maheshwari
Google Scholar Aditya Maheshwari
Publikacja:

Abstrakt

In this paper, we define a fractional negative binomial process FNBP by replacing the Poisson process by a fractional Poisson process FPP in the gamma subordinated form of the negative binomial process. It is shown that the one-dimensional distributions of the FPP and the FNBP are not infinitely divisible. Also, the space fractional Pólya process SFPP is defined by replacing the rate parameter λ by a gamma random variable in the definition of the space fractional Poisson process. The properties of the FNBP and the SFPP and the connections to PDEs governing the density of the FNBP and the SFPP are also investigated.

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