2314 search results - page 29 / 463 » Minimal Partitions of a Graph |
DAM
2007
13 years 8 months ago
2007
: In this paper we deal with the arc ranking problem of directed graphs. We give some classes of graphs for which the arc ranking problem is polynomially solvable. We prove that de...
EJC
2008
13 years 7 months ago
2008
Let be a G-symmetric graph, and let B be a nontrivial G-invariant partition of the vertex set of . This paper aims to characterize (, G) under the conditions that the quotient gr...
JDA
2006
13 years 8 months ago
2006
Assume that each vertex of a graph G is assigned a nonnegative integer weight and that l and u are nonnegative integers. One wishes to partition G into connected components by del...
COCOON
2007
Springer
14 years 2 months ago
2007
Springer
The regularity lemma of Szemer´edi gives a concise approximate description of a graph via a so called regular-partition of its vertex set. In this paper we address the following ...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
We present fast algorithms for constructing probabilistic embeddings and approximate distance oracles in sparse graphs. The main ingredient is a fast algorithm for sampling the pr...