320 search results - page 41 / 64 » Parity Problems in Planar Graphs |
MST
2011
12 years 10 months ago
2011
We study the complexity of testing if two given matroids are isomorphic. The problem is easily seen to be in Σ p 2. In the case of linear matroids, which are represented over pol...
APPROX
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. We provide improved approximation algorithms for the minmax generalization problems considered by Du, Eppstein, Goodrich, and Lueker [1]. In min-max generalization proble...
FSTTCS
2008
Springer
13 years 8 months ago
2008
Springer
We consider an extension of Church’s synthesis problem to ordinals by adding limit transitions to graph games. We consider game arenas where these limit transitions are defined...
WG
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. We model a problem proposed by Alcatel, a satellite building company, using improper colourings of graphs. The relation between improper colourings and maximum average de...
DAM
2008
13 years 7 months ago
2008
: In this paper, we study a new problem of convex drawing of planar graphs with non-convex boundary constraints. It is proved that every triconnected plane graph whose boundary is ...