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COMBINATORICA
2010
14 years 4 months ago
2010
We prove that the edges of every graph of bounded (Euler) genus can be partitioned into any prescribed number k of pieces such that contracting any piece results in a graph of bou...
CORR
2010
Springer
14 years 9 months ago
2010
Springer
We introduce the notion of Lombardi graph drawings, named after the abstract artist Mark Lombardi. In these drawings, edges are represented as circular arcs rather than as line seg...
SOFSEM
1997
Springer
15 years 1 months 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...
GD
2008
Springer
14 years 10 months ago
2008
Springer
A visibility representation of a graph G is to represent the nodes of G with non-overlapping horizontal line segments such that the line segments representing any two distinct adja...
WADS
2007
Springer
15 years 3 months ago
2007
Springer
Let G = (V, E) be an weighted undirected graph on n vertices and m edges, and let dG be its shortest path metric. We present two simple deterministic algorithms for approximating ...