275 search results - page 49 / 55 » Bounding the Number of Edges in Permutation Graphs |
SODA
2004
ACM
13 years 8 months ago
2004
ACM
Let H be a fixed graph on h vertices. We say that a graph G is induced H-free if it does not contain any induced copy of H. Let G be a graph on n vertices and suppose that at leas...
ENDM
2007
13 years 7 months ago
2007
In this paper we investigate how certain results related to the HananiTutte theorem can be extended from the plane to surfaces. We give a simple topological proof that the weak Ha...
IJCM
2002
13 years 7 months ago
2002
A minimum spanning tree (MST) with a small diameter is required in numerous practical situations. It is needed, for example, in distributed mutual exclusion algorithms in order to...
FOCS
2008
IEEE
14 years 1 months ago
2008
IEEE
We prove that approximating the Max Acyclic Subgraph problem within a factor better than 1/2 is Unique-Games hard. Specifically, for every constant ε > 0 the following holds:...
SIROCCO
2004
13 years 8 months ago
2004
Abstract. We study asynchronous packet radio networks in which transmissions among nodes may be delayed. We consider the task of broadcasting a message generated by the source node...