2009/09/28 by Demetres Christofides, Christofides, Demetres
Mathematics · #05A20 #06A07 #60C05 #Combinatorics (math.CO) #FOS: Mathematics #Probability (math.PR) #math.CO #math.PR #msc:05A20 #msc:06A07 #msc:60C05
paper · pdf · doi:10.48550/arxiv.0909.5137
6 pages
arxiv created 2009/09/28 · arxiv updated 2009/12/01
In this article we give a proof of a q-analogue of the celebrated four functions theorem. This analogue was conjectured by Bjorner and includes as special cases both the four functions theorem and also Bjorner's q-analogue of the FKG inequality.