124 search results - page 18 / 25 » Undirected Graphs of Entanglement Two |
IPCO
2001
13 years 8 months ago
2001
Garg [10] gives two approximation algorithms for the minimum-cost tree spanning k vertices in an undirected graph. Recently Jain and Vazirani [16] discovered primal-dual approxima...
SODA
2004
ACM
13 years 8 months ago
2004
ACM
We propose optimal routing algorithms for Chord [1], a popular topology for routing in peer-to-peer networks. Chord is an undirected graph on 2b nodes arranged in a circle, with e...
DM
2006
13 years 7 months ago
2006
The eccentric digraph ED(G) of a digraph G represents the binary relation, defined on the vertex set of G, of being `eccentric'; that is, there is an arc from u to v in ED(G)...
IACR
2011
12 years 7 months ago
2011
A transitive signature scheme allows to sign a graph in such a way that, given the signatures of edges (a, b) and (b, c), it is possible to compute the signature for the edge (or ...
PODC
2006
ACM
14 years 1 months ago
2006
ACM
Coloring the nodes of a graph with a small number of colors is one of the most fundamental problems in theoretical computer science. In this paper, we study graph coloring in a di...