Abstract
A 2-cell embedding of an Eulerian digraph in a closed surface is said to be directed if the boundary of each face is a directed closed walk in G. We prove Kuratowski-type theorems about obstructions to directed embeddings of Eulerian digraphs in the plane.
Original language | English |
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Pages (from-to) | 877 - 891 |
Number of pages | 15 |
Journal | European Journal of Combinatorics |
Volume | 25 |
Issue number | 6 |
DOIs | |
Publication status | Published - 2004 |
Externally published | Yes |