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» Solving Sparse Linear Constraints
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DISOPT
2008
113views more  DISOPT 2008»
14 years 11 months ago
The inverse 1-median problem on a cycle
Abstract. Let the graph G = (V, E) be a cycle with n + 1 vertices, nonnegative vertex weights and positive edge lengths. The inverse 1-median problem on a cycle consists in changin...
Rainer E. Burkard, Carmen Pleschiutschnig, Jianzho...
COCOA
2010
Springer
14 years 9 months ago
Feasibility-Based Bounds Tightening via Fixed Points
Abstract. The search tree size of the spatial Branch-and-Bound algorithm for Mixed-Integer Nonlinear Programming depends on many factors, one of which is the width of the variable ...
Pietro Belotti, Sonia Cafieri, Jon Lee, Leo Libert...
MP
2011
14 years 6 months ago
Lifting for conic mixed-integer programming
Lifting is a procedure for deriving valid inequalities for mixed-integer sets from valid inequalities for suitable restrictions of those sets. Lifting has been shown to be very eï¬...
Alper Atamtürk, Vishnu Narayanan
IANDC
2008
105views more  IANDC 2008»
14 years 11 months ago
Symbolic protocol analysis for monoidal equational theories
We are interested in the design of automated procedures for analyzing the (in)security of cryptographic protocols in the Dolev-Yao model for a bounded number of sessions when we t...
Stéphanie Delaune, Pascal Lafourcade, Denis...
IOR
2007
106views more  IOR 2007»
14 years 11 months ago
Planning and Scheduling by Logic-Based Benders Decomposition
We combine mixed integer linear programming (MILP) and constraint programming (CP) to solve an important class of planning and scheduling problems. Tasks are allocated to faciliti...
John N. Hooker