A Note on Obstructions to Clustered Planarity
Copyright policy )A Note on Obstructions to Clustered Planarity
A planar digraph $D$ is clustered planar if in some planar embedding of $D$ we have at each vertex the in-arcs occurring sequentially in the local rotation. By supplementing the operations used to form the usual minors in Kuratowski's theorem, clustered planar digraphs are characterised.
- Monash University Australia
- University of Auckland New Zealand
clustered embedding, Directed graphs (digraphs), tournaments, excluded minors, Graph minors, planarity, digraph, Planar graphs; geometric and topological aspects of graph theory, clustered planar graphs, 2604 Applied Mathematics, obstructions, clustered planar directed graph, 2607 Discrete Mathematics and Combinatorics, 2608 Geometry and Topology, 2614 Theoretical Computer Science, 1703 Computational Theory and Mathematics
clustered embedding, Directed graphs (digraphs), tournaments, excluded minors, Graph minors, planarity, digraph, Planar graphs; geometric and topological aspects of graph theory, clustered planar graphs, 2604 Applied Mathematics, obstructions, clustered planar directed graph, 2607 Discrete Mathematics and Combinatorics, 2608 Geometry and Topology, 2614 Theoretical Computer Science, 1703 Computational Theory and Mathematics
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