226 search results - page 24 / 46 » Lower bounds on the obstacle number of graphs |
SODA
2004
ACM
13 years 9 months ago
2004
ACM
We consider the problem of picking (buying) an inexpensive s-t path in a graph where edges are owned by independent (selfish) agents, and the cost of an edge is known to its owner...
ICALP
2011
Springer
12 years 11 months ago
2011
Springer
Competitive analysis is the established tool for measuring the output quality of algorithms that work in an online environment. Recently, the model of advice complexity has been in...
CORR
2012
Springer
12 years 3 months ago
2012
Springer
Graph pattern matching is often defined in terms of subgraph isomorphism, an np-complete problem. To lower its complexity, various extensions of graph simulation have been consid...
SOFSEM
1997
Springer
14 years 3 hour ago
1997
Springer
: In this paper we rst present a general lower bound on the stabilization time which holds for a number of graph theoretic problems, including leader election, spanning tree constr...
SIROCCO
2007
13 years 9 months ago
2007
We consider the problem of periodic exploration of all nodes in undirected graphs by using a nite state automaton called later a robot. The robot, using a constant number of state...