5473 search results - page 118 / 1095 » On the graph isomorphism problem |
148
click to vote
ORL
2007
15 years 5 months ago
2007
A method that utilizes the polynomially solvable critical independent set problem for solving the maximum independent set problem on graphs with a nonempty critical independent se...
227
click to vote
APPROX
2000
Springer
15 years 10 months ago
2000
Springer
Given a graph (directed or undirected) with costs on the edges, and an integer k, we consider the problem of nding a k-node connected spanning subgraph of minimum cost. For the ge...
153
click to vote
STOC
1991
ACM
15 years 10 months ago
1991
ACM
act We give an algorithm for imbedding a graph G of n vertices onto an oriented surface of minimal genus g. If g > 0 then we also construct a forbidden subgraph of G which is ho...
150
click to vote
JGT
2008
15 years 6 months ago
2008
We consider the following question: how large does n have to be to guarantee that in any two-colouring of the edges of the complete graph Kn,n there is a monochromatic Kk,k? In th...
167
click to vote
WG
2004
Springer
15 years 11 months ago
2004
Springer
An undirected graph is a treelike comparability graph if it admits a transitive orientation such that its transitive reduction is a tree. We show that treelike comparability graphs...