%0 Journal Article
%T A q-analogue of the four functions theorem
%A Demetres Christofides
%J Mathematics
%D 2009
%I arXiv
%X 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.
%U http://arxiv.org/abs/0909.5137v1