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International Journal of Mathematics and Mathematical Sciences 
Volume 26 (2001), Issue 10, Pages 581-588
doi:10.1155/S0161171201020087

On blockers in bounded posets

Andrey O. Matveev

Data-Center Company, RU-620034, P.O. Box 5, Ekaterinburg, Russia

Received 15 November 2000; Revised 24 May 2001

Abstract

Antichains of a finite bounded poset are assigned antichains playing a role analogous to that played by blockers in the Boolean lattice of all subsets of a finite set. Some properties of lattices of generalized blockers are discussed.