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Communication Dans Un Congrès Année : 2019

Balanced Schnyder woods for planar triangulations: an experimental study with applications to graph drawing and graph separators

Forêts de Schnyder équilibrées pour les triangulations planaires: une étude expérimentale avec applications au dessin des graphes et aux séparateurs des graphes

Résumé

In this work we consider balanced Schnyder woods for planar graphs, which are Schnyder woods where the number of incoming edges of each color at each vertex is balanced as much as possible. We provide a simple linear-time heuristic leading to obtain well balanced Schnyder woods in practice. As test applications we consider two important algorithmic problems: the computation of Schnyder drawings and of small cycle separators. While not being able to provide theoretical guarantees, our experimental results (on a wide collection of planar graphs) suggest that the use of balanced Schnyder woods leads to an improvement of the quality of the layout of Schnyder drawings, and provides an efficient tool for computing short and balanced cycle separators.
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hal-04331181 , version 1 (08-12-2023)

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Luca Castelli Aleardi. Balanced Schnyder woods for planar triangulations: an experimental study with applications to graph drawing and graph separators. International Symposium on Graph Drawing and Network Visualization (GD2019), Sep 2019, Prague, Czech Republic. pp.114-121, ⟨10.1007/978-3-030-35802-0_9⟩. ⟨hal-04331181⟩
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