Published Papers:
 Combining LiftandProject and ReduceandSplit
INFORMS Journal on Computing, To appear. (with: Egon Balas, Tamas Kis, Giacomo Nannicini)
 On the Relative Strength of Split, Triangle and Quadrilateral Cuts
Mathematical Programming A, To appear. (with: Amitabh Basu, Pierre Bonami, François Margot)
 A Counterexample to a Conjecture of Gomory and Johnson
Mathematical Programming A, To appear. (with: Amitabh Basu, Michele Conforti, Giacomo Zambelli)
 Convex Sets and Minimal Sublinear Functions
Journal of Convex Analysis, To appear. (with: Amitabh Basu, Giacomo Zambelli)
 Maximal Latticefree Convex Sets in Linear Subspaces
Mathematics of Operations Research, To appear. (with: Amitabh Basu, Michele Conforti, Giacomo Zambelli)
 Minimal Inequalities for an Infinite Relaxation of Integer Programs
SIAM Journal on Discrete Mathematics 24, 2010; 158168. (with: Amitabh Basu, Michele Conforti, Giacomo Zambelli)
 A Geometric Perspective on Lifting
Operations Research, To appear. (with: Michele Conforti, Giacomo Zambelli)
 On Lifting Integer Variables in Minimal Inequalities
IPCO 2010, Lausanne, LNCS 6080, 2010; 8595. (with: Amitabh Basu, Manoel Campelo, Michele Conforti, Giacomo Zambelli)
 Equivalence Between Intersection Cuts and the Corner Polyhedron
Operations Research Letters 38, 2010; 153155.
 Extended Formulations in Combinatorial Optimization
4OR  Quarterly Journal of Operations Research 8, 2010; 148. (with: Michele Conforti, Giacomo Zambelli)
 Branching on General Disjunctions
Mathematical Programming A, To appear. (with: Miroslav Karamanov)
 Improved Strategies for Branching on General Disjunctions
Mathematical Programming A, To appear. (with: L. Liberti, Giacomo Nannicini)
 Minimal Valid Inequalities for Integer Constraints
Mathematics of Operations Research 34, 2009; 538546. (with: Valentin Borozan)
 Stable Sets, Corner Polyhedra and the Chvatal Closure
Operations Research Letters 37, 2009; 375378. (with: Manoel Campelo)
 Feasibility Pump for Mixed Integer Nonlinear Programs
Mathematical Programming 119, 2009; 331352. (with: François Margot, Pierre Bonami, A. Lodi)
 On the Relative Strength of Split, Triangle and Quadrilateral Cuts
Mathematical Programming 126 126, 2011; 281314. (with: Amitabh Basu, Pierre Bonami, François Margot)
 An Algorithmic Framework for Convex Mixed Integer Nonlinear Programs
Discrete Optimization, 2008. (with: Pierre Bonami, et al)
 Valid Inequalities for Mixed Integer Linear Programs
Mathematical Programming B, 2008.
 On the Facets of Mixed Integer Programs with Two Integer Variables and Two Constraints
Mathematical Programming 120, 2009; 419456. (with: François Margot)
 Revival of the Gomory Cuts in the 1990's
StateoftheArt and Recent Advances in Integer Programming, 2005.
 Recognizing Berge Graphs
Combinatorica 25, 2005; 143186. (with: Maria Chudnovsky, Xinming Liu, Paul Seymour, Kristina Vuskovic)
 Early Estimates of the Size of BranchandBound Trees
INFORMS Journal on Computing, 2004. (with: Miroslav Karamanov, Yanjun Li)
 Bicolorings and Equitable Bicolorings of Matrices
MPS/SIAM Series on Optimization, The Sharpest Cut: The Impact of Manfred Padberg and His Work, 2004; 3337. (with: Michele Conforti, Giacomo Zambelli)
 SquareFree Perfect Graphs
Journal of Combinatorial Theory B(90), 2004; 257307. (with: Michele Conforti, Kristina Vuskovic)
 Decomposition of OddHoleFree Graphs, by Double Star Cutsets and 2Joins
Discrete mathematics 141, 2004; 4191. (with: Michele Conforti, Kristina Vuskovic)
 ReduceandSplit Cuts: Improving the Performance of Mixed Integer Gomory Cuts
Management Science, 2003. (with: K. A. Andersen, Yanjun Li)
 Balanced Matrices
Discrete Mathematics, 2003. (with: Michele Conforti, Kristina Vuskovic)
 The Strong Perfect Graph Theorem
Optima 70, 2003; 26.
 Graphs without Odd Holes, Parachutes or Proper Wheels: A Generalization of Meyniel Graphs and of Line Graphs of Bipartite Graphs
Journal of Combinatorial Theory B(87), 2003; 331347. (with: Michele Conforti)
 A Class of Berge Graphs Containing P6
Journal of Combinatorial Theory B(87), 2003; 300330. (with: Xinming Liu)
 KCuts: A Variation of Gomory Mixed Integer Cuts from the LP Tableau
INFORMS Journal on Computing 15, 2003; 385396. (with: Yanjun Li, Dieter Vandenbussche)
 Decomposing Berge Graphs Containing No Proper Wheel, Long Prism or their Complements
Combinatorica, 2002. (with: Michele Conforti, Giacomo Zambelli)
 A Note on Dijoins
Discrete Mathematics 243, 2002; 213216. (with: B. Guenin)
 Ideal Binary Clutters, Connectivity and a Conjecture of Seymour
SIAM Journal on Discrete Mathematics 15, 2002; 329352. (with: B. Guenin)
 Ideal Clutters
Discrete Applied Mathematics 123, 2002; 303338. (with: B. Guenin)
 EvenHoleFree Graphs Part II: Recognition Algorithm
Journal of Graph Theory 40, 2002; 238266. (with: Michele Conforti, Ajai Kapoor, Kristina Vuskovic)
 EvenHoleFree Graphs Part I: Decomposition Theorem
Journal of Graph Theory 39, 2002; 649. (with: Michele Conforti, Ajai Kapoor, Kristina Vuskovic)
 Perfect Graphs, Partitionable Graphs and Cutsets
Combinatorica 22, 2002; 1933. (with: Michele Conforti, Grigor Gasparyan, Kristina Vuskovic)
 On the Rank of Mixed 0, 1 Polyhedra
Mathematical Programming A(91), 2002; 391397. (with: Yanjun Li)
 A Connection Between Cutting Plane Theory and the Geometry of Numbers
Mathematical Programming A(93), 2002; 123127. (with: Yanjun Li)
 Balanced 0+1 Matrices Part I: Decomposition
Journal of Combinatorial Theory B(81), 2001; 243274. (with: Michele Conforti, Ajai Kapoor, Kristina Vuskovic)
 Balanced 0+1 Matrices Part II: Recognition Algorithm
Journal of Combinatorial Theory B(81), 2001; 275306. (with: Michele Conforti, Ajai Kapoor, Kristina Vuskovic)
 On Padberg's Conjecture about Almost Totally Unimodular Matrices
Operations Research Letters 27, 2000; 9799. (with: Luis F. Zuluaga)
 The Packing Property
Mathematical Programming A(89), 2000; 113126. (with: François Margot, B. Guenin)
 Decomposition of Balanced Matrices
Journal of Combinatorial Theory B(77), 1999; 292406. (with: Michele Conforti, M. Rao)
 Mixed 01 Programming by LiftandProject in a BranchandCut Framework (with S. Ceria and G. Cornuéjols)
Management Science 42, 1996; 12291246. (with: Egon Balas, Sebastian Ceria)
 A LiftandProject Cutting Plane Algorithm for Mixed 01 Programs
Mathematical Programming 58, 1993; 295324. (with: Egon Balas, Sebastian Ceria)
Working Papers:
 On the safety of Gomory cut generators
May, 2012. (with: François Margot, Giacomo Nannicini)
 Intersection Cuts with Infinite Split Rank
October, 2010. (with: Amitabh Basu, François Margot)
 ReduceandSplit Revisited: Efficient Generation of Split cuts for Mixedinteger Linear Programs
April, 2010.
 Experiments with tworow cuts from degenerate tableaux
December, 2009. (with: Amitabh Basu, Pierre Bonami, François Margot)
 Mixed Integer NonLinear Programs Featuring "On/Off" Constraints: Convex Analysis and Applications
October, 2009. (with: Hassan Hijazi, Pierre Bonami, Adam Ouorou)
Publications:
 "Polyhedral Approaches to Mixed Integer Linear Programming"
in Michael Juenger (ed.) 50 Years of Integer Programming, 343386, Springer Verlag, (2009). (with: Michele Conforti, Giacomo Zambelli)
 Optimization Methods in Finance, Cambridge University Press, (2007).
(with: R. Tutuncu)
 Combinatorial Optimization: Packing and Covering, SIAM, (2001).
