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Weak tail conditions for local martingales

Hulley, Hardy and Ruf, Johannes ORCID: 0000-0003-3616-2194 (2019) Weak tail conditions for local martingales. Annals of Probability, 47 (3). pp. 1811-1825. ISSN 0091-1798

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Identification Number: 10.1214/18-AOP1302


The following conditions are necessary and jointly sufficient for an arbitrary c`adl`ag local martingale to be a uniformly integrable martingale: (A) The weak tail of the supremum of its modulus is zero; (B) its jumps at the first-exit times from compact intervals converge to zero in L 1, on the events that those times are finite; and (C) its almost sure limit is an integrable random variable.

Item Type: Article
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Additional Information: © 2018 Institute of Mathematical Statistics
Divisions: Mathematics
Subjects: Q Science > QA Mathematics
Date Deposited: 27 Jul 2018 09:27
Last Modified: 24 May 2024 20:24
Funders: Bruti-Liberati Visiting Fellowship Fund

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