Appa, Gautam

Appa, Gautam and Becker, Kai Helge and Papadaki, Katerina (2006) A brief encounter with sudoku LSE Magazine. 20-20. ISSN 0023-639X

Appa, Gautam and Pitsoulis, Leonidas and Williams, H. Paul, eds (2006) Handbook on modelling for discrete optimization International series in operations research & management science, 88. Springer, New York, USA. ISBN 9780387329413

Appa, Gautam and Magos, D. and Mourtos, Ioannis and Janssen, Jeannette (2006) On the Orthogonal Latin Square polytope Discrete Mathematics, 306 (2). 171-187. ISSN 0012-365X

Appa, Gautam and Magos, D. and Mourtos, Ioannis (2006) On multi-index assignment polytopes Linear Algebra and Its Applications, 416 (2-3). 224-241. ISSN 0024-3795

Appa, Gautam and Magos, D. and Mourtos, Ioannis (2006) A new class of facets for the Latin square polytope Discrete Applied Mathematics, 154 (6). 900-911. ISSN 0166-218X

Appa, Gautam and Magos, D. and Mourtos, Ioannis (2006) Searching for mutually orthogonal Latin squares via integer and constraint programming European Journal of Operational Research, 173 (2). 519-530. ISSN 0377-2217

Appa, Gautam and Argyris, Nikolaos and Parthasarathy, S. (2006) A faster algorithm for data envelopment analysis Operational Research Group working papers, LSEOR 06.84. Operational Research Group, Department of Management, London, UK.

Appa, Gautam and Magos, D. and Mourtos, Ioannis and Pitsulis, L. (2006) Modelling for feasibility - the case of mutually orthogonal Latin squares problem In: Appa, Gautam and Pitsoulis, Leonidas and Williams, H. Paul, (eds.) Handbook on Modelling for Discrete Optimization. International series in operations research & management science (88). Springer, New York, US, 103-128. ISBN 0387329412

Appa, Gautam and Argyris, Nikolaos (2006) On regions of stability for preserving efficiency classifications in data envelopment analysis Operational Research Group working papers, LSEOR 06.87. Operational Research Group, Department of Management, London, UK.

Appa, Gautam and Argyris, N. and Williams, H. Paul (2006) A methodology for cross-evaluation in DEA Operational Research working papers, LSEOR 06.81. Operational Research Group, Department of Management, London School of Economics and Political Science, London, UK. ISBN 0753017032

Appa, Gautam and Williams, H. Paul (2006) A new framework for the solution of DEA models European Journal of Operational Research, 172 (2). 604-615. ISSN 0377-2217

Appa, Gautam and 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 and 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). 336-344. ISSN 0167-6377

Appa, Gautam and Magos, D. and Mourtos, Ioannis (2004) LP relaxations of multiple all_different predicates Lecture Notes in Computer Science, 3011. 364-369. ISSN 0302-9743

Appa, Gautam and 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). 298-307. ISSN 0160-5682

Appa, Gautam and 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 and Williams, H. Paul (2002) A formula for the solution of DEA models Operational Research working papers, LSEOR 02.49. Department of Operational Research, London School of Economics and Political Science, London, UK.

Appa, Gautam and 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.

Appa, Gautam and Yue, M. (2000) A reply to Zhu: how useful or accurate is this alternative? Journal of the Operational Research Society, 51 (3). 379-379. ISSN 0160-5682

Appa, Gautam (2000) Is my solution unique? On the uniqueness of solutions to linear programs Operational Research working papers, LSEOR 00.33. Department of Operational Research, London School of Economics and Political Science, London, UK.

Appa, Gautam and Giannikos, Ioannis (1992) Using duality information from a mixed integer program to derive new and old results for the rectilinear obnoxious facility location problem Operational Research working papers, LSEOR 92.2. Department of Operational Research, London School of Economics and Political Science, London, UK.