title: Building Blocks of Upward Planar Digraphs
creator: Healy, Patrick
creator: Lynch, Karol
subject: P.840 Upward
subject: G.770 Planarity Testing
subject: P.540 Planar
description: We show that a digraph is upward planar if and only if its biconnected components have certain properties.  
publisher: Springer
contributor: Pach, János
date: 2004
type: Conference Paper
type: NonPeerReviewed
identifier: Healy, Patrick and Lynch, Karol (2004) Building Blocks of Upward Planar Digraphs. [Conference Paper]
relation: http://gdea.informatik.uni-koeln.de/596/