collaborators

6 papers

math.PR2025

Large deviations and almost sure convergence for the extremes of branching Lévy processes

Runjia Luo, Yan-Xia Ren, Renming Song +1

In this paper, we investigate the asymptotic behavior of supercritical branching Markov processes whose spatial motions are Lévy processes with regularly…

math.PR2025

Moments of additive martingales of branching Lévy processes and applications

Yan-Xia Ren, Renming Song, Rui Zhang

Let be the Biggins martingale of a supercritical branching Lévy process with non-local branching mechanism, and denote by its limit. In this paper, we first…

math.PR2025

Law of iterated logarithm for supercritical non-symmetric branching Markov process

Haojie Hou, Yan-Xia Ren, Renming Song

Let be a supercritical branching Markov process (which is not necessary symmetric) on a locally compact metric measure space

math.PR2025

Tail probability of maximal displacement in critical and subcritical branching stable processes

Haojie Hou, Yiyang Jiang, Yan-Xia Ren +1

In this paper, we study critical and subcritical branching -stable processes, . We obtain the exact asymptotic behaviors of the tails of the maximal positions of al…

math.PR2025

Asymptotic behaviors of subcritical branching killed Lévy processes

Yan-Xia Ren, Renming Song, Yaping Zhu

In this paper, we investigate the asymptotic behaviors of the survival probability and maximal displacement of a subcritical branching killed Lévy process in . Let…

math.PR2023

-stable fluctuation of the derivative martingale of branching random walk

Haojie Hou, Yan-Xia Ren, Renming Song

In this paper, we study the functional convergence in law of the fluctuations of the derivative martingale of branching random walk on the real line. Our main result strengthens th…