Some Remarks on Pseudotrees

Alós-Ferrer, Carlos and Ritzberger, Klaus (2005) Some Remarks on Pseudotrees. Order, 22 (1), pp. 1-9. DOI: 10.1007/s11083-005-9001-1

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This paper provides new results on pseudotrees. First, it is shown that pseudotrees are precisely those posets for which consistent sets, directed sets, and nonempty chains coincide. Second, we show that chain-complete pseudotrees yield complete meet-semilattices. Third, we prove that pseudotrees are precisely those posets that admit a set representation by sets of appropriate chains. This latter result generalizes results needed for applications in game theory and economics. (author's abstract)

Item Type: Article in Academic Journal
Date Deposited: 23 Oct 2014 09:17
Last Modified: 01 Apr 2016 14:15
DOI: 10.1007/s11083-005-9001-1
ISSN: 0167-8094

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