Convex Drawings of Planar Graphs and the Order Dimension of 3-Polytopes Stefan Felsner OriginalPaper Pages: 19 - 37
Idempotent Totally Symmetric Operations on Finite Posets Cs. SzabóL. Zádori OriginalPaper Pages: 39 - 47
On the Partially Ordered Semigroup Generated by the Class Operators I,R,H,S,P Rozália Sz. MadarászBoža Tasić OriginalPaper Pages: 49 - 60
Height Preserving Minimal Interval Extensions Philippe BaldyMichel Morvan OriginalPaper Pages: 69 - 77
Order Varieties and Monotone Retractions of Finite Posets Gábor KunCsaba Szabó OriginalPaper Pages: 79 - 88
Biclosed Binary Relations and Galois Connections Florent DomenachBruno Leclerc OriginalPaper Pages: 89 - 104