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EJC
2008
13 years 7 months ago
A dichotomy for minimum cost graph homomorphisms
Gregory Gutin, Pavol Hell, Arash Rafiey, Anders Ye...
AMC
2006
109views more  AMC 2006»
13 years 7 months ago
Combinatorial algorithms for the minimum interval cost flow problem
S. Mehdi Hashemi, Mehdi Ghatee, Ebrahim Nasrabadi
EOR
2008
106views more  EOR 2008»
13 years 7 months ago
Convergent Lagrangian heuristics for nonlinear minimum cost network flows
We consider the separable nonlinear and strictly convex single-commodity network flow problem (SSCNFP). We develop a computational scheme for generating a primal feasible solution...
Torbjörn Larsson, Johan Marklund, Caroline Ol...