2020
DOI: 10.1016/j.spa.2019.04.007
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Law of large numbers for supercritical superprocesses with non-local branching

Abstract: In this paper we establish a weak and a strong law of large numbers for supercritical superprocesses with general non-local branching mechanisms. Our results complement earlier results obtained for superprocesses with only local branching. Several interesting examples are developed, including multitype continuous-state branching processes, multitype superdiffusions and superprocesses with discontinuous spatial motions and non-decomposable branching mechanisms.

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Cited by 4 publications
(4 citation statements)
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“…Note that assumption (G2) entails that the MBP X is what we would call a "critical" setting. Indeed, for a lot of literature surrounding spatial branching processes, there has been emphasis on results for which an underlying assumption of exponential ergodic growth in the first moment is present; see, for example, [7,18,20,26,35,38]. In other words, this means that the mean semigroup exhibits a Perron-Frobenius type asymptotic of the form…”
Section: Introduction and Main Resultsmentioning
confidence: 99%
“…Note that assumption (G2) entails that the MBP X is what we would call a "critical" setting. Indeed, for a lot of literature surrounding spatial branching processes, there has been emphasis on results for which an underlying assumption of exponential ergodic growth in the first moment is present; see, for example, [7,18,20,26,35,38]. In other words, this means that the mean semigroup exhibits a Perron-Frobenius type asymptotic of the form…”
Section: Introduction and Main Resultsmentioning
confidence: 99%
“…For a lot of literature surrounding spatial branching processes, there has been emphasis on results for which an underlying assumption of exponential ergodic growth in the first moment is present as in (H1); see e.g. [1,16,19,22,27,29]. Due to this, we may characterise the process as supercritical if λ > 0, critical if λ = 0 and subcritical if λ < 0.…”
Section: Main Results: K-th Momentsmentioning
confidence: 99%
“…In a number of settings, we would expect X to obey a strong law of large numbers (cf. [1,16,19,27]) in the sense that…”
Section: Main Results: K-th Momentsmentioning
confidence: 99%
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