PSEUDO-LYM INEQUALITIES AND AZ IDENTITIES

Citation
Pl. Erdos et La. Szekely, PSEUDO-LYM INEQUALITIES AND AZ IDENTITIES, Advances in applied mathematics, 19(4), 1997, pp. 431-443
Citations number
17
Categorie Soggetti
Mathematics,Mathematics
ISSN journal
01968858
Volume
19
Issue
4
Year of publication
1997
Pages
431 - 443
Database
ISI
SICI code
0196-8858(1997)19:4<431:PIAAI>2.0.ZU;2-8
Abstract
We give pseudo-LYM inequalities in some posets and we give a new restr iction in this way for their antichains. Typically these posets fail t he LYM inequality and some of them are known to not be Sperner. (C) 19 97 Academic Press.