Matrices generated by semilattices

Johan Karlander
1995 Discrete Applied Mathematics  
We give a characterization of O-l matrices M which are generated by semilattices in the way that Mij = 0 if and only if xi A xj = 0 where xi, xj, d are elements in a semilattice. 0166-21 SX/95/SO9.50 6) 1995-Elsevier Science B.V. All rights reserved SSDI 0166-2 18X(93)E0159-V
doi:10.1016/0166-218x(93)e0159-v fatcat:pjoxl6b77zf2thgujluls3hxgm