35 search results - page 4 / 7 » When crossings count - approximating the minimum spanning tr... |
ICALP
2009
Springer
14 years 7 months ago
2009
Springer
The algebraic framework introduced in [Koutis, Proc. of the 35th ICALP 2008] reduces several combinatorial problems in parameterized complexity to the problem of detecting multili...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Schnyder woods are decompositions of simple triangulations into three edge-disjoint spanning trees crossing each other in a specific way. In this article, we define a generalizatio...
ORL
2008
13 years 7 months ago
2008
This paper focuses on tractable instances of interval data minmax regret graph problems. More precisely, we provide polynomial and pseudopolynomial algorithms for sets of particul...
ALGORITHMICA
2010
13 years 7 months ago
2010
We study the merging process when Kruskal's algorithm is run with random graphs as inputs. Our aim is to analyze this process when the underlying graph is the complete graph ...
PODC
2005
ACM
14 years 1 months ago
2005
ACM
The problem of verifying a Minimum Spanning Tree (MST) was introduced by Tarjan in a sequential setting. Given a graph and a tree that spans it, the algorithm is required to check...