Preemptive scheduling of interval orders is polynomial N. W. SauerM. G. Stone OriginalPaper Pages: 345 - 348
Generalizations of Tarski's fixed point theorem for order varieties of complete meet semilattices Joel BermanW. J. Blok OriginalPaper Pages: 381 - 392
Forbidden configurations for distributive and modular ordered sets Ivan ChajdaJiří Rachůnek OriginalPaper Pages: 407 - 423