Tightness criteria for random compact sets of cadlag paths

Fuente: arXiv
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Autores principales: Freeman, Nic, Swart, Jan M.
Formato: Preprint
Publicado: 2025
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author Freeman, Nic
Swart, Jan M.
author_facet Freeman, Nic
Swart, Jan M.
contents We give tightness criteria for random variables taking values in the space of all compact sets of cadlag real-valued paths, in terms of both the Skorohod J1 and M1 topologies. This extends earlier work motivated by the study of the Brownian web that was concerned only with continuous paths. In the M1 case, we give a natural extension of our tightness criteria which ensures that non-crossing systems of paths have weak limit points that are also non-crossing. This last result is exemplified through a rescaling of heavy tailed Poisson trees and a more general application to weaves.
format Preprint
id arxiv_https___arxiv_org_abs_2501_06930
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Tightness criteria for random compact sets of cadlag paths
Freeman, Nic
Swart, Jan M.
Probability
Primary: 60B10, Secondary: 60G07
We give tightness criteria for random variables taking values in the space of all compact sets of cadlag real-valued paths, in terms of both the Skorohod J1 and M1 topologies. This extends earlier work motivated by the study of the Brownian web that was concerned only with continuous paths. In the M1 case, we give a natural extension of our tightness criteria which ensures that non-crossing systems of paths have weak limit points that are also non-crossing. This last result is exemplified through a rescaling of heavy tailed Poisson trees and a more general application to weaves.
title Tightness criteria for random compact sets of cadlag paths
topic Probability
Primary: 60B10, Secondary: 60G07
url https://arxiv.org/abs/2501.06930