Zambelli, Giacomo

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2013) Extended formulations in combinatorial optimization. Annals of operations research, 204 (1). pp. 97-143. ISSN 0254-5330

Basu, Amitabh and Campelo, Manoel B. and Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2012) Unique lifting of integer variables in minimal inequalities. Mathematical programming, Online ISSN 0025-5610

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2011) Corner polyhedron and intersection cuts. Surveys in operations research and management science, 16 (2). pp. 105-120. ISSN 1876-7354

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2011) A geometric perspective on lifting. Operations research, 59 (3). pp. 567-577. ISSN 0030-364X

Basu, Amitabh and Cornuéjols, Gérard and Zambelli, Giacomo (2011) Convex Sets and Minimal Sublinear Functions. Journal of convex analysis, 18 (2). pp. 427-432. ISSN 0944-6532

Basu, Amitabh and Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2010) A counterexample to a conjecture of Gomory and Johnson. Mathematical programming, ISSN 0025-5610

Conforti, Michele and Wolsey, Laurence A. and Zambelli, Giacomo (2010) Projecting an extended formulation for mixed-integer covers on bipartite graphs. Mathematics of operations research, 35 (3). pp. 603-623. ISSN 0364-765X

Basu, Amitabh and Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2010) Maximal lattice-free convex sets in linear subspaces. Mathematics of operations research, 35 (3). pp. 704-720. ISSN 0364-765X

Basu, Amitabh and Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2010) Minimal inequalities for an infinite relaxation of integer programs. SIAM journal on discrete mathematics, 24 (1). pp. 158-168. ISSN 0895-4801

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2010) Polyhedral approaches to mixed integer linear programming. In: Jünger, Michael and Liebling , Thomas M. and Naddef , Denis and Nemhauser, George L. and Pulleyblank , William R. and Reinelt , Gerhard and Rinaldi , Giovanni and Wolsey , Laurence A. , (eds.) 50 years of integer programming 1958-2008: from the early years to the state-of-the-art. Springer, Berlin, Germany, pp. 334-384. ISBN 9783540682745

Bazu, Amithabh and Campelo, Manoel B. and Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2010) On lifting integer variables in minimal inequalities. In: Eisenbrand , Friedrich and Shepherd, Bruce, (eds.) Integer programming and combinatorial optimization. Springer, Berlin, Germany, pp. 85-95. ISBN 9783642130359

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2010) Extended formulations in combinatorial optimization. 4OR: A Quarterly Journal of Operations Research, 8 (1). pp. 1-48. ISSN 1619-4500

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2010) Equivalence between intersection cuts and the corner polyhedron. Operations research letters, 38 (3). pp. 153-155. ISSN 0167-6377

Conforti, Michele and Zambelli, Giacomo (2009) The mixing set with divisible capacities: a simple approach. Operations research letters, 37 (6). pp. 379-383. ISSN 0167-6377

Del Pia, Alberto and Zambelli, Giacomo (2009) Half-integral vertex covers on bipartite bidirected graphs: total dual integrality and cut-rank. SIAM journal on discrete mathematics, 23 (3). pp. 1281-1296. ISSN 0895-4801

Zambelli, Giacomo (2009) On degenerate multi-row Gomory cuts. Operations research letters, 37 (1). pp. 21-22. ISSN 0167-6377

Conforti, Michele and Gerards, Bert and Zambelli, Giacomo (2007) Mixed-integer vertex covers on bipartite graphs. In: Fischetti , Matteo and Williamson, David .P., (eds.) Integer programming and combinatorial optimization. Springer, Berlin, Germany, pp. 324-336. ISBN 9783540727927

Zambelli, Giacomo (2007) Colorings of k-balanced matrices and integer decomposition property of related polyhedra. Operations research letters, 35 (3). pp. 353-356. ISSN 0167-6377

Conforti, Michele and Summa, Marco Di and Zambelli, Giacomo (2007) Minimally infeasible set-partitioning problems with balanced constraints. Mathematics of operations research, 32 (3). pp. 497-507. ISSN 0364-765X

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2006) Decomposing berge graphs containing no proper wheels, long prisms or their complements. Combinatorica, 26 (5). pp. 533-558. ISSN 0209-9683

Conforti, Michele and Cornuéjols, Gérard and Liu, Xinming and Vuskovic, Kristina and Zambelli, Giacomo (2006) Odd hole recognition in graphs of bounded clique size. SIAM journal on discrete mathematics, 20 (1). pp. 42-48. ISSN 0895-4801

Conforti, Michele and Zambelli, Giacomo (2006) Recognizing balanceable matrices. Mathematical programming, 105 (2-3). pp. 161-179. ISSN 0025-5610

Zambelli, Giacomo (2005) A polynomial recognition algorithm for balanced matrices. Journal of combinatorial theory, series B, 95 (1). pp. 49-67. ISSN 0095-8956

Colussi, Livio and Conforti, Michele and Zambelli, Giacomo (2005) Disjoint paths in arborescences. Discrete mathematics, 292 (1-3). pp. 187-191. ISSN 0012-365X

Conforti, Michele and Cornuéjols, Gérard and Zambelli, Giacomo (2004) Bicolorings and equitable bicolorings of matrices. In: Grötschel, Martin , (ed.) The sharpest cut : the impact of Manfred Padberg and his work. Society for Industrial and Applied Mathematics, Philadelphia, USA, pp. 33-37. ISBN 9780898715521