A curious application of the Borel-Cantelli Lemmas, a result of Barndorff-Nielsen, and some open problems

Article Type

Research Article

Publication Title

Stochastic Analysis and Applications

Abstract

For an arbitrary sequence of events {A n ,n≥1} and an integer m ≥ 1 we study the problem whether (Formula presented.) implies either (Formula presented.) or (Formula presented.) It is partially solved using both probabilistic and nonprobabilistic arguments. The First and Second Borel-Cantelli Lemmas are both used to show that the implication holds if m = 1 and an equivalent formulation concerning a real series problem is presented. That the implication does not hold if m = 2 is shown using a real series and it is an open problem for m ≥ 3 Some other open problems are also presented and discussed.

First Page

473

Last Page

479

DOI

10.1080/07362994.2019.1585262

Publication Date

5-4-2019

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