Sciweavers

5473 search results - page 139 / 1095
» On the graph isomorphism problem
Sort
View
SIAMDM
2008
118views more  SIAMDM 2008»
15 years 6 months ago
Ramsey-Type Problem for an Almost Monochromatic K4
In this short note we prove that there is a constant c such that every k-edge-coloring of the complete graph Kn with n 2ck contains a K4 whose edges receive at most two colors. Th...
Jacob Fox, Benny Sudakov
STACS
2010
Springer
16 years 1 months ago
Treewidth Reduction for Constrained Separation and Bipartization Problems
We present a method for reducing the treewidth of a graph while preserving all the minimal s−t separators. This technique turns out to be very useful in the design of parameteriz...
Dániel Marx, Barry O'Sullivan, Igor Razgon
AAIM
2007
Springer
123views Algorithms» more  AAIM 2007»
15 years 11 months ago
Efficient Algorithms for k -Disjoint Paths Problems on DAGs
Given an acyclic directed graph and two distinct nodes s and t, we consider the problem of finding k disjoint paths from s to t satisfying some objective. We consider four objectiv...
Rudolf Fleischer, Qi Ge, Jian Li, Hong Zhu
AAIM
2011
Springer
337views Algorithms» more  AAIM 2011»
14 years 10 months ago
On Variants of the Spanning Star Forest Problem
A star forest is a collection of vertex-disjoint trees of depth at most 1, and its size is the number of leaves in all its components. A spanning star forest of a given graph G is ...
Jing He, Hongyu Liang
292
Voted
BMCBI
2007
93views more  BMCBI 2007»
15 years 7 months ago
The topology of metabolic isotope labeling networks
Background: Metabolic Flux Analysis (MFA) based on isotope labeling experiments (ILEs) is a widely established tool for determining fluxes in metabolic pathways. Isotope labeling ...
Michael Weitzel, Wolfgang Wiechert, Katharina N&ou...