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» Termination of Integer Linear Programs
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ATMOS
2008
187views Optimization» more  ATMOS 2008»
13 years 9 months ago
Solving Periodic Timetable Optimisation Problems by Modulo Simplex Calculations
In the last 15 years periodic timetable problems have found much interest in the combinatorial optimization community. We will focus on the optimisation task to minimise a weighted...
Karl Nachtigall, Jens Opitz
MP
2008
99views more  MP 2008»
13 years 7 months ago
Compact formulations as a union of polyhedra
We explore one method for finding the convex hull of certain mixed integer sets. The approach is to break up the original set into a small number of subsets, find a compact polyhed...
Michele Conforti, Laurence A. Wolsey
SODA
2001
ACM
188views Algorithms» more  SODA 2001»
13 years 9 months ago
Approximation algorithms for the 0-extension problem
In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals. Our goal is to assign the rest of the nodes ...
Gruia Calinescu, Howard J. Karloff, Yuval Rabani
COR
2008
80views more  COR 2008»
13 years 8 months ago
Multi-period capacitated location with modular equipments
This work deals with a multi-period capacitated location problem inspired by telecommunication access network planning problems, where demands and costs vary from one period to an...
Éric Gourdin, Olivier Klopfenstein
POPL
2007
ACM
14 years 8 months ago
Variance analyses from invariance analyses
An invariance assertion for a program location is a statement that always holds at during execution of the program. Program invariance analyses infer invariance assertions that ca...
Josh Berdine, Aziem Chawdhary, Byron Cook, Dino Di...