Multivariate fractional phase–type distributions
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- MULTIVARIATE FRACTIONAL PHASE–TYPE DISTRIBUTIONS
Submitted manuscript, 1.33 MB, PDF document
We extend the Kulkarni class of multivariate phase–type distributionsin a natural time–fractional way to construct a new class of multivariatedistributions with heavy-tailed Mittag-Leffler(ML)-distributed marginals.The approach relies on assigning rewards to a non–Markovian jump processwith ML sojourn times. This new class complements an earlier multivari-ate ML construction [2] and in contrast to the former also allows for taildependence. We derive properties and characterizations of this class, andwork out some special cases that lead to explicit density representations.
Original language | English |
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Journal | Fractional Calculus and Applied Analysis |
Volume | 23 |
Issue number | 5 |
Pages (from-to) | 1431-1451 |
ISSN | 1311-0454 |
DOIs | |
Publication status | Published - 2020 |
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