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» An s -Hamiltonian Line Graph Problem
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116
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COR
2006
93views more  COR 2006»
15 years 3 months ago
Solving capacitated arc routing problems using a transformation to the CVRP
A well known transformation by Pearn, Assad and Golden reduces a Capacitated Arc Routing Problem (CARP) into an equivalent Capacitated Vehicle Routing Problem (CVRP). However, tha...
Humberto Longo, Marcus Poggi de Aragão, Edu...
111
Voted
SIAMDM
2008
118views more  SIAMDM 2008»
15 years 3 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
127
Voted
SODA
1998
ACM
99views Algorithms» more  SODA 1998»
15 years 4 months ago
On-Line File Caching
Consider the following file caching problem: in response to a sequence of requests for files, where each file has a specified size and retrieval cost, maintain a cache of files of ...
Neal E. Young
STACS
2010
Springer
15 years 10 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
154
Voted
AAIM
2007
Springer
123views Algorithms» more  AAIM 2007»
15 years 7 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