Gérard P. Cornuéjols
IBM University Professor of Operations Research, Emeritus
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- Cornell University - Ph D - 1978
- ENPC (Paris) - BS - 1974
Research
operations research, optimizationPublications
- When the Gomory-Chvatal Closure Coincides with the Integer Hull
(author(s): Gerard Cornuejols, Yanjun Li)
Operations Research Letters 46, 2018; 251-256 - On Some Polytopes Contained in the 0,1 Hypercube that Have a Small Chvatal Rank
(author(s): Gerard Cornuejols, Dabeen Lee)
Mathematical Programming B, 2018 - Optimality Certificates for Convex Minimization and Helly Numbers
(author(s): Amitabh Basu, Michele Conforti, Gerard Cornuejols, Robert Weismantel, Stefan Weltge)
Operations Research Letters 45, 2017; 671-674 - From Estimation to Optimization via Shrinkage
(author(s): Gerard Cornuejols, Danial Davarnia)
Operations Research Letters 45, 2017; 642-646 - Ideal Clutters that Do Not Pack
(author(s): Ahmad Abdi, Gerard Cornuejols, Kanstantsin Pashkovich)
Mathematics of Operations Research, 2017 - Cut-Generating Functions for Integer Variables
(author(s): Sercan Yildiz, Gerard Cornuejols)
Mathematics of Operations Research, 2016 - Deciding Emptiness of the Gomory-Chvatal Closure in NP-Complete, Even for a Rational Polyhedron Containing No Integer Point
(author(s): Gerard Cornuejols, Yanjun Li)
IPCO 2016, 2016; 387-397 - On Some Polytopes Contained in the 0,1 Hypercube that Have a Small Chvatal Rank
(author(s): Gerard Cornuejols, Dabeen Lee)
IPCO 2016, 2016; 300-311 - Disjunctive Cuts for Cross-Sections of the Second-Order Cone
(author(s): Sercan Yildiz, Gerard Cornuejols)
Operations Research Letters 43, 2015; 432-437 - Sufficiency of Cut-Generating Functions
(author(s): Gerard Cornuejols, Sercan Yildiz, Laurence Wolsey)
Mathematical Programming A 152, 2015; 643-651 - On the Relative Strength of Families of Intersection Cuts Arising from Pairs of Tableau Constraints in Mixed Integer Programs
(author(s): Yogesh Awate, Gerard Cornuejols, Bertrand Guenin, Levent Tuncel)
Mathematical Programming 150, 2015; 459-489 - Cut-Generating Functions and S-Free Sets
(author(s): Michele Conforti, Gerard Cornuejols, Aris Daniilidis, Claude Lemarechal, Jerome Malick)
Mathematics of Operations Research, 2015; 276-301 - Special Issue: International Symposium on Mathematical Programming, Pittsburgh, July 2015
(author(s): Gerard Cornuejols, Andrew Schaefer)
Mathematical Programming B, 2015 - Integer Programming
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Springer, 2014 - On the Safety of Gomory Cut Generators
(author(s): Gerard Cornuejols, François Margot, Giacomo Nannicini)
Mathematical Programming Computation 5(4), 2013; 345-395 - Cutting Planes from Two-Term Disjunctions
(author(s): Pierre Bonami, Michele Conforti, Gerard Cornuejols, Marco Molinaro, Giacomo Zambelli)
Operations Research Letters 41, 2013; 442-444 - Extended Formulations in Combinatorial Optimization
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Annals of Operations Research 204, 2013; 97-143 - Lifting Gomory Cuts with Bounded Variables
(author(s): Gerard Cornuejols, Marco Molinaro, Tamas Kis)
Operations Research Letters 41, 2013; 142-146 - A 3-Slope Theorem for the Infinite Relaxation in the Plane
(author(s): Gerard Cornuejols, Marco Molinaro)
Mathematical Programming 142, 2013; 83-105 - Combining lift-and-project and reduce-and-split
(author(s): Egon Balas, Gerard Cornuejols, Tamas Kis, Giacomo Nannicini)
INFORMS Journal on Computing 25(3), 2013; 475-487 - Unique Lifting of Integer Variables in Minimal Inequalities
(author(s): Amitabh Basu, Manoel Campelo, Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Mathematical Programming 141, 2013; 561-576 - Cut-Generating Functions
(author(s): Michele Conforti, Gerard Cornuejols, Aris Daniilidis, Claude Lemarechal, Jerome Malick)
LNCS, Springer 7801, 2013; 123-132 - A Counterexample to a Conjecture of Gomory and Johnson
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Mathematical Programming A, 2012; 25-38 - How Tight is the Corner Relaxation? Insights Gained from the Stable Set Problem
(author(s): Gerard Cornuejols, Carla Michini, Giacomo Nannicini)
Discrete Optimization 9, 2012; 109-121 - Mixed Integer NonLinear Programs featuring 'On/Off' Constraints: Convex Analysis and Applications
(author(s): Hassan Hijazi, Pierre Bonami, Gerard Cornuejols, Adam Ouorou)
Computational Optimization and Applications 52, 2012; 537-558 - Unique Minimal Liftings for Simplicial Polytopes
(author(s): Amitabh Basu, Gerard Cornuejols, Matthias Koeppe)
Mathematics of Operations Research 37, 2012; 346-355 - Intersection Cuts with Infinite Split Rank
(author(s): Amitabh Basu, Gerard Cornuejols, François Margot)
Mathematics of Operations Research 37, 2012; 21-40 - Convex Sets And Minimal Sublinear Functions
(author(s): Amitabh Basu, Gerard Cornuejols, Giacomo Zambelli)
Journal of Convex Analysis 18(2), 2011; 427-432 - Corner Polyhedron and Intersection Cuts
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Surveys in Operations Research and Management Science 16, 2011; 105-120 - Improved Strategies for Branching on General Disjunctions
Mathematical Programming A 130, 2011; 225-247
- On the Relative Strenght of Split, Triangle and Quadrilateral Cuts
Mathematical Programming(author(s): Amitabh Basu, Pierre Bonami, Gerard Cornuejols, François Margot)
Mathematical Programming 126, 2011; 281-314 - Practical Strategies for Generating Rank-1 Split Cuts in Mixed-Integer Linear Programming
Mathematical Programming Computation 3, 2011; 281-318
- Experiments With Two-Row Cuts From Degenerate Tableaux
(author(s): Amitabh Basu, Pierre Bonami, Gerard Cornuejols, François Margot)
Informs Journal On Computing 23(4), 2011; 578-590 - Combining Lift-and-Project and Reduce-and-Split
(author(s): Egon Balas, Gerard Cornuejols, Tamas Kis, Giacomo Nannicini)
INFORMS Journal on Computing, 2011 - Branching On General Disjunctions
(author(s): Miroslav Karamanov, Gerard Cornuejols)
Mathematical Programming 128(2-Jan), 2011; 403-436 - A Geometric Perspective On Lifting
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Operations Research 59(3), 2011; 569-577 - On The Relative Strength Of Split, Triangle And Quadrilateral Cuts (extended abstract)
(author(s): Amitabh Basu, Pierre Bonami, Gerard Cornuejols, François Margot)
SODA 2009, SIAM-ACM, 2011; 1220-1229 - Minimal Inequalities For An Infinite Relaxation Of Integer Programs
(author(s): Amitabh Basu, Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Siam Journal On Discrete Mathematics 24(1), 2010; 158-168 - Maximal Lattice-Free Convex Sets In Linear Subspaces
(author(s): Amitabh Basu, Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Mathematics Of Operations Research 35(3), 2010; 704-720 - Equivalence Between Intersection Cuts And The Corner Polyhedron
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Operations Research Letters 38(3), 2010; 153-155 - Extended Formulations In Combinatorial Optimization
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
4Or-A Quarterly Journal Of Operations Research 8(1), 2010 - Stable Sets, Corner Polyhedra And The Chvatal Closure
(author(s): Manoel Campelo, Gerard Cornuejols)
Operations Research Letters 37(6), 2009; 375-378 - On The Facets Of Mixed Integer Programs With Two Integer Variables And Two Constraints
(author(s): Gerard Cornuejols, François Margot)
Mathematical Programming 120(2), 2009; 429-456 - Minimal Valid Inequalities For Integer Constraints
(author(s): Valentin Borozan, Gerard Cornuejols)
Mathematics Of Operations Research 34(3), 2009; 538-546 - A Feasibility Pump For Mixed Integer Nonlinear Programs
(author(s): Pierre Bonami, Gerard Cornuejols, Andrea Lodi, François Margot)
Mathematical Programming 119(2), 2009; 331-352 - Lehman Matrices
(author(s): Gerard Cornuejols, Bertrand Guenin, Levent Tuncel)
Journal Of Combinatorial Theory Series B 99(3), 2009; 531-556 - Projected Chvatal-Gomory Cuts For Mixed Integer Linear Programs
(author(s): Pierre Bonami, Gerard Cornuejols, Sanjeeb Dash, Matteo Fischetti, Andrea Lodi)
Mathematical Programming 113(2), 2008; 241-257 - An Algorithmic Framework For Convex Mixed Integer Nonlinear Programs
(author(s): Pierre Bonami, Lorenz T. Biegler, Andrew R. Conna, Gerard Cornuejols, Ignacio E. Grossmann, Carl D. Laird, Jon Lee, Andrea Lodi, François Margot, Nicolas Sawaya, Andreas Wachter)
Discrete Optimization 5(2), 2008; 186-204 - Valid Inequalities For Mixed Integer Linear Programs
Mathematical Programming 112(1), 2008
- A Note On The Mir Closure
(author(s): Pierre Bonami, Gerard Cornuejols)
Operations Research Letters 36(1), 2008 - Revival Of The Gomory Cuts In The 1990'S
Annals Of Operations Research 149(1), 2007; 63-66
- Decomposing Berge Graphs Containing No Proper Wheel, Long Prism Or Their Complements
(author(s): Michele Conforti, Gerard Cornuejols, Giacomo Zambelli)
Combinatorica 26(5), 2006; 533-558 - Odd Hole Recognition In Graphs Of Bounded Clique Size
(author(s): M Conforti, Gerard Cornuejols, XM Liu, K Vuskovic, G Zambelli)
Siam Journal On Discrete Mathematics 20(1), 2006; 42-48 - Balanced Matrices
(author(s): Michele Conforti, Gerard Cornuejols, Kristina Vuskovic)
Discrete Mathematics 306(19-20), 2006; 2411-2437 - A Convex-Analysis Perspective On Disjunctive Cuts
(author(s): Gerard Cornuejols, C Lemarechal)
Mathematical Programming 106(3), 2006; 567-586 - Early Estimates Of The Size Of Branch-And-Bound Trees
(author(s): Gerard Cornuejols, M Karamanov, YJ Li)
Informs Journal On Computing 18(1), 2006; 86-96 - Recognizing Berge Graphs
(author(s): M Chudnovsky, Gerard Cornuejols, XM Liu, P Seymour, K Vuskovic)
Combinatorica 25(2), 2005; 143-186 - Reduce-And-Split Cuts: Improving The Performance Of Mixed-Integer Gomory Cuts
(author(s): K Andersen, Gerard Cornuejols, YJ Li)
Management Science 51(11), 2005; 1720-1732 - Split Closure And Intersection Cuts
(author(s): K Andersen, Gerard Cornuejols, YJ Li)
Mathematical Programming 102(3), 2005; 457-493 - The Packing Property
(author(s): Gerard Cornuejols, B Guenin, François Margot)
Mathematical Programming 89(1), 2000; 113-126 - The Packing Property
(author(s): Gerard Cornuejols, B Guenin, François Margot)
Integer Programming And Combinatorial Optimization 1412, 1998; 8-Jan - Gomory Cuts Revisited
(author(s): Egon Balas, S Ceria, Gerard Cornuejols, N Natraj)
Operations Research Letters 19(1), 1996
Working Papers
- On the Rational Polytopes with Chvatal Rank 1
(author(s): Gerard Cornuejols, Dabeen Lee, Yanjun Li)
Mathematical Programming, 2018 - Incorporating Black-Litterman Views in Portfolio Construction when Stock Returns are a Mixture of Normals
(author(s): Gerard Cornuejols, Borak Kosuk)
Omega - Resistant sets in the unit hypercube
(author(s): Ahmad Abdi, Gerard Cornuejols, Dabeen Lee)
Mathematics of Operations Research - Bayesian Solution Estimators in Stochastic Optimization
(author(s): Gerard Cornuejols, Danial Davarnia, Burak Kocuk)
SIAM Journal on Optimization - Cuboids, A Class of Clutters
(author(s): Ahmad Abdi, Gerard Cornuejols, Natalia Guricanova, Dabeen Lee)
Journal of Combinatorial Theory B
Awards and Honors
- National Academy of Engineering - Member, National Academy of Engineering (2016)
- INFORMS - Lanchester Prize (2015)
- INFORMS - John von Neumann Theory Prize (2011)
- SIAM and MOS - Dantzig Prize (2009)
University Service
- PhD Committee, Committee Member (2011 - )
- Tepper Quad Public Art and Welcome Center Committee, Committee Member (2014 - 2017)
- Strategic Planning Committee on Research, Committee Member (2016 - 2017)
- Dean Evaluation Committee, Committee Member (2016 - 2016)
- Guidelines for Centers at the Tepper School, Committee Chair (2012 - 2012)
- Dean Search, Committee Member (2010 - 2011)
Public Service
- University of Waterloo, research (2002 - )
- University of Padova, research (1990 - )
- Hausdorff Institute, Research Fellow (2015 - 2015)
Professional Activities
- Editorial Review Board Member, Mathematics of Operations Research (January 2004 -)
- Editorial Review Board Member, RAIRO (January 2004 -)
- Committee Member, International Symposium on Mathematical Programming, Scientific Program (January 2017 - July 2018)
- Conference Organizer, Summer School on Polyhedral Combinatorics (January 2015 - July 2015)
- Conference Organizer, ISMP 2015 International Symposium on Mathematical Programming, Program Chair (August 2012 - July 2015)
- Book Editor, MOS-SIAM Series on Optimization (2010 - 2014)
- Committee Chair, Workshop on Combinatorial Optimization (November 2012 - November 2014)
- Workshop Organizer, RK60 (September 2012 - May 2013)
- Member, INFORMS, INFORMS Publications Committee (January 2011 - December 2012)
- Conference-Related, International Symposium on Mathematical Programming, Program Committee Member (January 2010 - August 2012)
- Editor-in-Chief, Mathematics of Operations Research (January 1999 - 2003)