Published Papers:
- Generalized Intersection Cuts and a New Cut Generating Paradigm
Mathematical Programming A, 2011.
(with: Egon Balas)
- On the Relative Strength of Split, Triangle and Quadrilateral Cuts
Mathematical Programming A, To appear.
(with: Gérard Cornuéjols, Amitabh Basu, Pierre Bonami)
- An Approximate Dynamic Programming Approach to Benchmark Practice-based Heuristics for Natural Gas Storage Valuation
Operations Research 58, 2010; 564-582.
(with: Guoming Lai, Nicola Secomandi)
- Testing Cut Generators for Mixed-Integer Linear Programming
Mathematical Programming Computation 1, 2009; 69-95.
- Feasibility Pump for Mixed Integer Nonlinear Programs
Mathematical Programming 119, 2009; 331-352.
(with: Pierre Bonami, Gérard Cornuéjols, A. Lodi)
- Branching and Bound Tightening Techniques for Non-convex MINLP
Optimization Methods and Software 24, 2009; 597-634.
(with: Pietro Belotti, J. Lee, L. Liberti, A. Waechter)
- Improving Bounds on the Football Pool Problem via Symmetry Reduction and High-Throughput Computing (2007)
INFORMS Journal on Computing 21, 2009; 445-457.
(with: J. Linderoth, G. Thain)
- On the Relative Strength of Split, Triangle and Quadrilateral Cuts
Mathematical Programming 126 126, 2011; 281-314.
(with: Amitabh Basu, Pierre Bonami, Gérard Cornuéjols)
- Symmetry in Integer Linear Programming
50 Years of Integer Programming, 2009.
- An Algorithmic Framework for Convex Mixed Integer Nonlinear Programs
Discrete Optimization 5, 2008; 186-204.
(with: Pierre Bonami, L. Biegler, et al)
- Reoptimization Approaches for the Vehicle Routing Problem with Stochastic Demands
Operations Research 57, 2009; 214-230.
(with: Nicola Secomandi)
- On the Facets of Mixed Integer Programs with Two Integer Variables and Two Constraints
Mathematical Programming 120, 2009; 419-456.
(with: Gérard Cornuéjols)
- Optimization for Simulation: LAD Accelerator
Annals of Operations Research 188, 2011; 285-305.
(with: Miguel Lejeune)
- Integer Programming Solution Approach for Inventory-Production-Distribution Problems with Direct Shipments
International Transactions in Operations Research 15, 2008; 259-281.
(with: Miguel Lejeune)
- On a Binary-Encoded ILP Coloring Formulation
INFORMS Journal on Computing 19, 2007; 406-415.
(with: J. Lee)
- Symmetric ILP: Coloring and Small Integers
Discrete Optimization 4, 2007; 40-62.
- Classification of Orthogonal Arrays by Integer Programming
Journal of Statistical Planning and Inference 138, 2008; 654-666.
(with: Dursun Bulutoglu)
- Min Up/Min Down Polytopes
Discrete Optimization, 2004; 77-85.
(with: J. Lee, J. Leung)
- Exploiting Orbits in Symmetric ILP
Mathematical Programming, Ser. B, 2003; 3-21.
- TSP Heuristics: Domination Analysis and Complexity
Algorithmica, 2003; 111-127.
(with: S. Kabadi, A. Punnen)
- Decompositions, Network Flows and a Precedence Constrained Single Machine Scheduling Problem
Operations Research 51, 2003; 981-992.
(with: M. Queyranne, Y. Wang)
- Pruning by Isomorphism in Branch-and-Cut
Mathematical Programming, 2002; 71-90.
- Small Covering Designs by Branch-and-Cut
Mathematical Programming, 2003; 207-220.
- Pruning by Isomorphism in Branch-and-Cut
Lecture Notes in Computer Science, 2001; 304-317.
- The Packing Property
Mathematical Programming A(89), 2000; 113-126.
(with: Gérard Cornuéjols, B. Guenin)
- Weak K-Majorization and Polyhedra
Mathematical Programming, 1998; 37-53.
(with: G. Dahl)
- A Category of Minimally Nonideal Matrices
Mathematical Methods of Operations Research, 1998; 221-241.
(with: C. Luetolf)
- Analysis of Backtrack Algorithms for Listing all Vertices and all Faces of a Convex Polyhedron
Computational Geometry, 1997; 1-12.
(with: K. Fukuda, T. Liebling)
- Multiterminal Flows and Cuts
Operations Research Letters, 1995; 201-204.
(with: D. Hartvigsen)
- Node Disjoint Paths on Partial 2-Trees: A Linear Algorithm and Polyhedral Results
Mathematical Methods of Operations Research, 1995; 325-346.
(with: A. Prodon, T. Liebling)
- Disjoint Paths in the Plane
ORSA Journal on Computing, 1995; 84-88.
(with: T. Liebling, D. Mueller, A. Prodon, L. Stauffer)
- Tree polytope on 2-trees
Mathematical Programming, 1994; 183-192.
(with: A. Prodon, T. Liebling)
- Some Complexity Results About Threshold Graphs
Discrete Applied Mathematics, 1994; 299-308.
- Quick Updates for P-opt TSP Heuristics
Operations Research Letters, 1992; 45-46.
- The Poset Scheduling Problem
Methods of Operations Research, 1990; 221-230.
(with: A. Prodon, T. Liebling)
- A Note on Order Preserving Matchings
Operations Research Letters, 1989; 197-200.
(with: A. Prodon, T. Liebling)
Working Papers:
- Relaxations of Approximate Linear Programs for the Real Option Management of Commodity Storage
May, 2013.
(with: Selvaprabu Nadarajah, Nicola Secomandi)
- Valuation of Multiple Exercise Options with Energy Applications
September, 2012.
(with: Selvaprabu Nadarajah, Nicola Secomandi)
- Merchant Commodity Storage and Term Structure Model Error
September, 2012.
(with: Nicola Secomandi, Alan Scheller-Wolf, Duane Seppi)
- On the safety of Gomory cut generators
May, 2012.
(with: Gérard Cornuéjols, Giacomo Nannicini)
- The Traveling Salesman Problem with Neighborhoods: MINLP solution
July, 2011.
(with: Iacopo Gentilini, Kenji Shimada)
- Intersection Cuts with Infinite Split Rank
October, 2010.
(with: Amitabh Basu, Gérard Cornuéjols)
- Experiments with two-row cuts from degenerate tableaux
December, 2009.
(with: Amitabh Basu, Pierre Bonami, Gérard Cornuéjols)
- Linear Programming Relaxations of Quadratically Constrained Quadratic Programs
August, 2009.
(with: Andrea Qualizza, Pietro Belotti)
Publications:
- "Novel Approaches to Portfolio Construction: Multiple Risk Models and Multi-Solution Generation"
in S. Satchell (ed.) Optimizing Optimization, Academic Press/North-Holland/Elsevier, (2009).
(with: S. Ceria, A. Renshaw, Anureet Saxena)
- "Symmetry in Integer Programming"
in Juenger et al (ed.) 50 Years of Integer Programming, Springer, (2009).
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