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Magos, Dimitris, Mourtos, Ioannis and Appa, Gautam (2012) A polyhedral approach to the alldifferent system. Mathematical Programming, 132 (1-2). pp. 209-260. ISSN 0025-5610
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2006) A new class of facets for the Latin square polytope. Discrete Applied Mathematics, 154 (6). pp. 900-911. ISSN 0166-218X
Appa, Gautam, Magos, D., Mourtos, Ioannis and Janssen, Jeannette (2006) On the Orthogonal Latin Square polytope. Discrete Mathematics, 306 (2). pp. 171-187. ISSN 0012-365X
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2006) On multi-index assignment polytopes. Linear Algebra and Its Applications, 416 (2-3). pp. 224-241. ISSN 0024-3795
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2006) Searching for mutually orthogonal Latin squares via integer and constraint programming. European Journal of Operational Research, 173 (2). pp. 519-530. ISSN 0377-2217
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2005) On the system of two all_different predicates. Information Processing Letters, 94 (3). pp. 99-105. ISSN 0020-0190
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2004) An LP-based proof for the non-existence of a pair of orthogonal Latin squares for n = 6. Operations Research Letters, 32 (4). pp. 336-344. ISSN 0167-6377
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2004) A branch and cut algorithm for a four-index assignment problem. Journal of the Operational Research Society, 55 (3). pp. 298-307. ISSN 0160-5682
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2004) LP relaxations of multiple all_different predicates. Lecture Notes in Computer Science, 3011. pp. 364-369. ISSN 0302-9743
Appa, Gautam, Magos, D., Mourtos, Ioannis and Pitsulis, L. (2006) Modelling for feasibility - the case of mutually orthogonal Latin squares problem. In: Appa, Gautam, Pitsoulis, Leonidas and Williams, H. Paul, (eds.) Handbook on Modelling for Discrete Optimization. International series in operations research & management science (88). Springer Berlin / Heidelberg, New York, US, pp. 103-128. ISBN 0387329412
Appa, Gautam, Magos, D. and Mourtos, Ioannis (2005) On the system of two all_different predicates. Operational Research working papers (LSEOR 05.74). Department of Operational Research, London School of Economics and Political Science, London, UK. ISBN 0753016966
Appa, Gautam, Mourtos, Ioannis and Magos, D. (2002) Integrating constraint and integer programming for the orthogonal Latin squares problem. Operational Research working papers (LSEOR 01.47). Department of Operational Research, London School of Economics and Political Science, London, UK.
Appa, Gautam, Mourtos, Ioannis and Magos, D. (2002) An LP-based proof of the non-existence of a pair of Orthogonal Latin Squares for n = 6. Operational Research working papers (LSEOR 02.51). Department of Operational Research, London School of Economics and Political Science, London, UK.
