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» An s -Hamiltonian Line Graph Problem
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EOR
2006
57views more  EOR 2006»
15 years 6 months ago
Routing and wavelength assignment by partition colouring
The problem of routing and wavelength assignment in all-optical networks may be solved by a combined approach involving the computation of alternative routes for the lightpaths, f...
Thiago F. Noronha, Celso C. Ribeiro
185
Voted
STOC
2006
ACM
174views Algorithms» more  STOC 2006»
16 years 7 months ago
Edge-disjoint paths in Planar graphs with constant congestion
We study the maximum edge-disjoint paths problem in undirected planar graphs: given a graph G and node pairs s1t1, s2t2, . . ., sktk, the goal is to maximize the number of pairs t...
Chandra Chekuri, Sanjeev Khanna, F. Bruce Shepherd
153
Voted
COCOA
2007
Springer
16 years 1 months ago
Steiner Forests on Stochastic Metric Graphs
We consider the problem of connecting given vertex pairs over a stochastic metric graph, each vertex of which has a probability of presence independently of all other ver
Vangelis Th. Paschos, Orestis Telelis, Vassilis Zi...
WG
2005
Springer
16 years 10 days ago
Channel Assignment and Improper Choosability of Graphs
Abstract. We model a problem proposed by Alcatel, a satellite building company, using improper colourings of graphs. The relation between improper colourings and maximum average de...
Frédéric Havet, Jean-Sébastie...
WG
2005
Springer
16 years 10 days ago
Optimal Broadcast Domination of Arbitrary Graphs in Polynomial Time
Broadcast domination was introduced by Erwin in 2002, and it is a variant of the standard dominating set problem, such that vertices can be assigned various domination powers. Broa...
Pinar Heggernes, Daniel Lokshtanov