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
          
          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.