Planar Posets that are Accessible from Below Have Dimension at Most 6

Csaba BirĂ³, Bartlomiej Bosek, Heather C. Smith, William T. Trotter, Ruidong Wang, Stephen J. Young. Planar Posets that are Accessible from Below Have Dimension at Most 6. Order, 38(1):21-36, 2021. [doi]

Abstract

Abstract is missing.