Combinatorial Characterization of Upward Planarity
Xuexing Lu , Yu Ye
Communications in Mathematics and Statistics ›› 2019, Vol. 7 ›› Issue (2) : 207 -223.
Combinatorial Characterization of Upward Planarity
We give a combinatorial characterization of upward planar graphs in terms of upward planar orders, which are special linear extensions of edge posets.
Upward planar graph / Planar st graph / Upward planar order
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