ESA
1993
Springer
14 years 4 months ago
1993
Springer
A digraph is upward planar if it has a planar drawing such that all the edges are monotone with respect to the vertical direction. Testing upward planarity and constructing upward ...
GD
2004
Springer
14 years 5 months ago
2004
Springer
The upward planarity testing problem consists of testing if a digraph admits a drawing Γ such that all edges in Γ are monotonically increasing in the vertical direction and no e...