2019
DOI: 10.1215/00192082-7854864
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Maximal displacement and population growth for branching Brownian motions

Abstract: We study the maximal displacement and related population for a branching Brownian motion in Euclidean space in terms of the principal eigenvalue of an associated Schrödinger type operator. We first determine their growth rates on the survival event. We then establish the upper deviation for the maximal displacement under the possibility of extinction. Under the non-extinction condition, we further discuss the decay rate of the upper deviation probability and the population growth at the critical phase.

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Cited by 10 publications
(12 citation statements)
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“…Let us mention that versions of (1.2) -(1.4) for a large class of branching Brownian motions were recently proved in [18] and [19]. Also, a while ago, versions of (1.6) and (1.7) for branching Brownian motions with branching rates given by continuous functions decaying sufficiently fast at infinity were proved in [12] and [16] respectively.…”
Section: Notation and Some Earlier Resultsmentioning
confidence: 97%
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“…Let us mention that versions of (1.2) -(1.4) for a large class of branching Brownian motions were recently proved in [18] and [19]. Also, a while ago, versions of (1.6) and (1.7) for branching Brownian motions with branching rates given by continuous functions decaying sufficiently fast at infinity were proved in [12] and [16] respectively.…”
Section: Notation and Some Earlier Resultsmentioning
confidence: 97%
“…The cases λ = β and λ > β will require separate analysis. Partial results are available in [19] (Theorem 3.7).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…We assume that both ν + and ν − are compactly supported in R d . By the proof of [24,Theorem 5.2] or [22,Appendix A.1], there exist positive constants c 1 and c 2 such that…”
Section: Notations and Some Factsmentioning
confidence: 99%
“…In this subsection, we introduce the branching Brownian motion (see [12,13,14] and [21,22] for details).…”
Section: Branching Brownian Motionsmentioning
confidence: 99%