Point processes of the Poisson-Skellam family
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866917981972332544 |
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| author | Cinque, Fabrizio Orsingher, Enzo |
| author_facet | Cinque, Fabrizio Orsingher, Enzo |
| contents | We study a general non-homogeneous Skellam-type process with jumps of arbitrary fixed size. We express this process in terms of a linear combination of Poisson processes and study several properties, including the summation of independent processes of the same family, some possible decompositions (which present particularly interesting characteristics) and the limit behaviors. In the case of homogeneous rate functions, a compound Poisson representation and a discrete approximation are presented. Then, we study the fractional integral of the process as well as the iterated integral of the running average. Finally, we consider some time-changed versions related to Lévy subordinators, connected to the Bernstein functions, and to the inverses of stable subordinators. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_07672 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Point processes of the Poisson-Skellam family Cinque, Fabrizio Orsingher, Enzo Probability Primary 60G55, 60G22, Secondary 60G51 We study a general non-homogeneous Skellam-type process with jumps of arbitrary fixed size. We express this process in terms of a linear combination of Poisson processes and study several properties, including the summation of independent processes of the same family, some possible decompositions (which present particularly interesting characteristics) and the limit behaviors. In the case of homogeneous rate functions, a compound Poisson representation and a discrete approximation are presented. Then, we study the fractional integral of the process as well as the iterated integral of the running average. Finally, we consider some time-changed versions related to Lévy subordinators, connected to the Bernstein functions, and to the inverses of stable subordinators. |
| title | Point processes of the Poisson-Skellam family |
| topic | Probability Primary 60G55, 60G22, Secondary 60G51 |
| url | https://arxiv.org/abs/2504.07672 |