Measures on coallocation and normal lattices

Let ℒ1 and ℒ2 be lattices of subsets of a nonempty set X. Suppose ℒ2 coallocates ℒ1 and ℒ1 is a subset of ℒ2. We show that any ℒ1-regular finitely additive measure on the algebra generated by ℒ1 can be uniquely extended to an ℒ2-regular measure on the algebra generated by ℒ2. The case when ℒ1 is not...

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Main Author: Jack-Kang Chan
Format: Article
Language:English
Published: Wiley 1992-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/S0161171292000929
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author Jack-Kang Chan
author_facet Jack-Kang Chan
author_sort Jack-Kang Chan
collection DOAJ
description Let ℒ1 and ℒ2 be lattices of subsets of a nonempty set X. Suppose ℒ2 coallocates ℒ1 and ℒ1 is a subset of ℒ2. We show that any ℒ1-regular finitely additive measure on the algebra generated by ℒ1 can be uniquely extended to an ℒ2-regular measure on the algebra generated by ℒ2. The case when ℒ1 is not necessary contained in ℒ2, as well as the measure enlargement problem are considered. Furthermore, some discussions on normal lattices and separation of lattices are also given.
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spelling doaj-art-10f634c629aa43fb9bb0a0d61c9c429c2025-02-03T05:50:19ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04251992-01-0115470171810.1155/S0161171292000929Measures on coallocation and normal latticesJack-Kang Chan0Norden Systems, 75 Maxess Road, Melville, New York 11747, USALet ℒ1 and ℒ2 be lattices of subsets of a nonempty set X. Suppose ℒ2 coallocates ℒ1 and ℒ1 is a subset of ℒ2. We show that any ℒ1-regular finitely additive measure on the algebra generated by ℒ1 can be uniquely extended to an ℒ2-regular measure on the algebra generated by ℒ2. The case when ℒ1 is not necessary contained in ℒ2, as well as the measure enlargement problem are considered. Furthermore, some discussions on normal lattices and separation of lattices are also given.http://dx.doi.org/10.1155/S0161171292000929
spellingShingle Jack-Kang Chan
Measures on coallocation and normal lattices
International Journal of Mathematics and Mathematical Sciences
title Measures on coallocation and normal lattices
title_full Measures on coallocation and normal lattices
title_fullStr Measures on coallocation and normal lattices
title_full_unstemmed Measures on coallocation and normal lattices
title_short Measures on coallocation and normal lattices
title_sort measures on coallocation and normal lattices
url http://dx.doi.org/10.1155/S0161171292000929
work_keys_str_mv AT jackkangchan measuresoncoallocationandnormallattices