17 search results - page 2 / 4 » Planar Graphs, via Well-Orderly Maps and Trees |
MFCS
1998
Springer
13 years 11 months ago
1998
Springer
It is known that a language is context-free iff it is the set of borders of the trees of recognizable set, where the border of a (labelled) tree is the word consisting of its leaf ...
ICALP
2009
Springer
14 years 7 months ago
2009
Springer
We introduce a generic approach for counting subgraphs in a graph. The main idea is to relate counting subgraphs to counting graph homomorphisms. This approach provides new algori...
COMGEO
2012
ACM
12 years 3 months ago
2012
ACM
A straight-line drawing of a plane graph G is a planar drawing of G, where each vertex is drawn as a point and each edge is drawn as a straight line segment. Given a set S of n poi...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
We study the topological simplification of graphs via random embeddings, leading ultimately to a reduction of the Gupta-Newman-Rabinovich-Sinclair (GNRS) L1 embedding conjecture t...
GD
2005
Springer
14 years 1 months ago
2005
Springer
A clustered graph has its vertices grouped into clusters in a hierarchical way via subset inclusion, thereby imposing a tree structure on the clustering relationship. The c-planari...