Period-Life of a Branching Process with Migration and Continuous Time

Khrystyna Prysyazhnyk, Iryna Bazylevych, Ludmila Mitkova and Iryna Ivanochko
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Khrystyna Prysyazhnyk: Artificial Intelligence Department, Institute of Computer Sciences and Information Technologies, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Iryna Bazylevych: Faculty of Mechanics and Mathematics, Ivan Franko National University of Lviv, 79000 Lviv, Ukraine
Ludmila Mitkova: Department of Economics and Finance, Comenius University, 82005 Bratislava, Slovakia
Iryna Ivanochko: Department of Management and International Business, Lviv Polytechnic National University, 79000 Lviv, Ukraine

Mathematics, 2021, vol. 9, issue 8, 1-10

Abstract: The homogeneous branching process with migration and continuous time is considered. We investigated the distribution of the period-life ? , i.e., the length of the time interval between the moment when the process is initiated by a positive number of particles and the moment when there are no individuals in the population for the first time. The probability generating function of the random process, which describes the behavior of the process within the period-life, was obtained. The boundary theorem for the period-life of the subcritical or critical branching process with migration was found.

Keywords: branching process; migration; continuous time; generating function; period-life (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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