Appa, Gautam
Professor Emeritus Gautam Appa
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Experience keywords:
causes and effects of communal strife, India; linear programming; environmental impacts of large dams; combinatorial optimisation; integer programming; performance evaluation; data envelopment analysis
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Languages: Gujarati [Spoken: Fluent, Written: Fluent]; Hindi [Spoken: Intermediate, Written: Intermediate]; Norwegian [Spoken: Basic, Written: Basic]
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Media experience:
Radio; TV
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The following references are sourced from LSE Research Online|. References that are linked lead to the full text.
Magos, Dimitris and Mourtos, Ioannis and Appa, Gautam (2012) A polyhedral approach to the alldifferent system. Mathematical programming, 132 (1-2). pp. 209-260. ISSN 0025-5610 Pitsoulis, Leonidas and Papalamprou, Konstantinos and Appa, Gautam and Kotnyek, Balázs (2009) On the representability of totally unimodular matrices on bidirected graphs. Discrete mathematics, 309 (16). pp. 5024-5042. ISSN 0012-365X Appa, Gautam and Kotnyek, Balázs and Papalamprou, Konstantinos and Pitsoulis, Leonidas (2007) Optimization with binet matrices. Operations research letters, 35 (3). pp. 345-352. ISSN 0167-6377 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 Appa, Gautam and Pitsoulis, Leonidas and Williams, H. Paul, (eds.) (2006) Handbook on modelling for discrete optimization. Springer, New York, USA. ISBN 9780387329413 Appa, Gautam and 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 and Magos, D. and Mourtos, Ioannis and Janssen, Jeannette (2006) On the Orthogonal Latin Square polytope. Discrete mathematics, 306 (2). pp. 171-187. ISSN 0012-365X 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. Springer, New York, US, pp. 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 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 and 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 and Kotnyek, Balázs (2006) A bidirected generalisation of network matrices. Networks, 47 (4). pp. 185-198. ISSN 1097-0037 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 (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 Appa, Gautam and 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 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). pp. 336-344. ISSN 0167-6377 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). pp. 298-307. ISSN 0160-5682 Appa, Gautam and Kotnyek, Balázs (2004) Rational and integral k-regular matrices. Discrete mathematics, 275 (1-3). pp. 1-15. ISSN 0012-365X Appa, Gautam and 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 and Kotnyek, Balázs (2003) Optimization with binet matrices. Operational Research working papers, LSEOR 03.59. Department of Operational Research, London School of Economics and Political Science, London, UK Appa, Gautam (2002) On the uniqueness of solutions to linear programs. Journal of the operational research society, 53 (10). pp. 1127-1132. 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 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 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 (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 Yue, M. (2000) A reply to Zhu: how useful or accurate is this alternative? Journal of the operational research society, 51 (3). pp. 379-379. ISSN 0160-5682 Appa, Gautam and Sridharan, R. (2000) OR helps poor in a controversial irrigation project. Interfaces, 30 (2). pp. 13-28. ISSN 0092-2102 Appa, Gautam and Yue, M. (1999) On setting scale efficient targets in DEA. Journal of the operational research society, 50 (1). pp. 60-69. ISSN 0160-5682 Appa, Gautam and Yue, Ming (1996) On measuring scale efficiency and setting scale efficient targets in DEA. Operational Research working papers, LSEOR 96.22/2. Department of Operational Research, London School of Economics and Political Science, London, UK Appa, Gautam (1994) Using primal-dual relationship in mixed integer programming. Operational Research working papers, LSEOR 94.13. 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 Appa, Gautam and Sridharan, R. (1992) Report on the canal affected people and the downstream impact of the Sardar Sarover projects. Operational Research working papers, LSEOR 92.1. Department of Operational Research, London School of Economics and Political Science, London, UK
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