ESCOFFIER Bruno
Professeur
Équipe : RO
Tel: 01 44 27 72 09, Bruno.Escoffier (at) nulllip6.fr
https://webia.lip6.fr/~escoffier
Équipe : RO
- Sorbonne Université - LIP6
Boîte courrier 169
Couloir 26-00, Étage 4, Bureau 419
4 place Jussieu
75252 PARIS CEDEX 05
Tel: 01 44 27 72 09, Bruno.Escoffier (at) nulllip6.fr
https://webia.lip6.fr/~escoffier
Trois doctorants à Sorbonne Université (Direction de recherche / Co-encadrement)
- BOUTON POPPER Jules : Routing and connectivity problems in temporal graphs.
- BRUNOD INDRIGO Luca : Aspects algorithmiques pour l’ancrage de décisions en optimisation sous incertitude.
- XEFTERIS Michail : Multistage optimization and prediction.
Deux docteurs (2020 - 2023) à Sorbonne Université
- 2023
- TYDRICHOVA Magdaléna : Aspects structurels et algorithmiques des restrictions de domaines de préférences dans la prise de décision collective : contributions à l'étude des préférences unimodales et Euclidiennes.
- 2020
- TEILLER Alexandre : Aspects Algorithmiques de l’Optimisation «Multistage».
Publications 2004-2024
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2024
- Th. Bellitto, J. Cohen, B. Escoffier, N. Khang, M. Rabie : “Canadian Traveller Problems in Temporal Graphs”, (2024)
- B. Escoffier, O. Spanjaard, M. Tydrichová : “Recognizing single-peaked preferences on an arbitrary graph: Complexity and algorithms”, Discrete Applied Mathematics, vol. 348, pp. 301-319, (Elsevier) (2024)
- B. Escoffier, O. Spanjaard, M. Tydrichová : “Euclidean preferences in the plane under $\ell_1$, $\ell_2$ and $\ell_\infty$ norms”, Social Choice and Welfare, (Springer Verlag) (2024)
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2023
- E. Bampis, B. Escoffier, P. Youssef : “Online 2-stage stable matching”, Discrete Applied Mathematics, vol. 341, pp. 394-405, (Elsevier) (2023)
- B. Escoffier, O. Spanjaard, M. Tydrichová : “Algorithmic Recognition of 2-Euclidean Preferences”, Proceedings of ECAI 2023, vol. 372, Frontiers in Artificial Intelligence and Applications, Krakow (Cracovie), Poland, pp. 637-644, (IOS Press), (ISBN: 978-1-64368-437-6) (2023)
- E. Bampis, B. Escoffier, N. Hahn, M. Xefteris : “Online TSP with Known Locations”, Algorithms and Data Structures Symposium (WADS), vol. 14079, Lecture Notes in Computer Science, Montreal, Canada, pp. 65-78, (Springer Nature Switzerland) (2023)
- P. Bendotti, L. Brunod‑Indrigo, Ph. Chrétienne, B. Escoffier : “Algorithms and complexity results for resource leveling problems”, ROADEF, Rennes, France (2023)
- E. Bampis, C.‑E. Cella, B. Escoffier, M. Rocco, A. Teiller : “Target-based computer-assisted orchestration: Complexity and approximation algorithms”, European Journal of Operational Research, vol. 304 (3), pp. 926-938, (Elsevier) (2023)
- E. Bampis, B. Escoffier, Th. Gouleakis, N. Hahn, K. Lakis, G. Shahkarami, M. Xefteris : “Learning-Augmented Online TSP on Rings, Trees, Flowers and (Almost) Everywhere Else”, 31st Annual European Symposium on Algorithms (ESA 2023), vol. 274, Leibniz International Proceedings in Informatics (LIPIcs), Amsterdam, Netherlands, pp. 12:1-12:17, (Schloss Dagstuhl - Leibniz-Zentrum für Informatik) (2023)
- Th. Bellitto, C. Conchon‑Kerjan, B. Escoffier : “Restless Exploration of Periodic Temporal Graphs”, 2nd Symposium on Algorithmic Foundations of Dynamic Networks (SAND 2023), vol. 257, Leibniz International Proceedings in Informatics (LIPIcs), Pise, Italy, pp. 13:1-13:15, (Schloss Dagstuhl – Leibniz-Zentrum für Informatik) (2023)
- E. Bampis, B. Escoffier, P. Youssef : “Online 2-stage Stable Matching”, AAMAS 2023, 2023 International Conference on Autonomous Agents and Multiagent Systems, Londres, United Kingdom, pp. 2475-2477, (International Foundation for Autonomous Agents and Multiagent Systems) (2023)
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2022
- Th. Ehrhard, S. Attias, E. Bampis, V. Cohen‑Addad, B. Escoffier, C. Mathieu, F. Pascual, A. Pass‑Lanneau, D. Saulpic : “Découpage électoral des circonscriptions législatives en France: déséquilibres démographiques et contraintes territoriales”, Revue Française de Science Politique, vol. Vol. 72 (3), pp. 333-364, (Presses de Sciences Po) (2022)
- E. Bampis, B. Escoffier, M. Xefteris : “Canadian Traveller Problem with Predictions”, 20th International Workshop on Approximation and Online Algorithms, WAOA 2022, vol. 13538, Lecture Notes in Computer Science, Potsdam, Germany, pp. 116-133 (2022)
- E. Bampis, D. Christou, B. Escoffier, K. Nguyen : “Online learning for min-max discrete problems”, Theoretical Computer Science, vol. 930, pp. 209-217, (Elsevier) (2022)
- B. Escoffier, O. Spanjaard, M. Tydrichová : “Weighted majority tournaments and Kemeny ranking with 2-dimensional Euclidean preferences”, Discrete Applied Mathematics, vol. 318, pp. 6-12, (Elsevier) (2022)
- B. Escoffier, L. Gourvès, V. Paschos : “In memory of Jérôme Monnot”, Theoretical Computer Science, vol. 921, pp. 1-3, (Elsevier) (2022)
- E. Bampis, B. Escoffier, A. Teiller : “Multistage knapsack”, Journal of Computer and System Sciences, vol. 126, pp. 106-118, (Elsevier) (2022)
- E. Bampis, D. Christou, B. Escoffier, A. Kononov, K. Nguyen : “A simple rounding scheme for multistage optimization”, Theoretical Computer Science, vol. 907, pp. 1-10, (Elsevier) (2022)
- P. Bendotti, L. Brunod‑Indrigo, Ph. Chrétienne, B. Escoffier : “Anchor-robust project scheduling with time-dependent job durations”, (2022)
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2021
- B. Escoffier, O. Spanjaard, M. Tydrichová : “Measuring Nearly Single-Peakedness of an Electorate: Some New Insights”, Algorithmic Decision Theory 7th International Conference, ADT 2021, Toulouse, France, November 3–5, 2021, Proceedings, vol. 13023, Lecture Notes in Computer Science, Toulouse, France, pp. 19-34, (Springer) (2021)
- E. Bampis, B. Escoffier, K. Schewior, A. Teiller : “Online Multistage Subset Maximization Problems”, Algorithmica, vol. 83 (8), pp. 2374-2399, (Springer Verlag) (2021)
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2020
- B. Escoffier, O. Spanjaard, M. Tydrichová : “Recognizing Single-Peaked Preferences on an Arbitrary Graph: Complexity and Algorithms”, Proceedings of the 13th International Symposium on Algorithmic Game Theory, SAGT 2020, vol. 12283, Lecture Notes in Computer Science, Augsburg, Germany, pp. 291-306, (Springer) (2020)
- B. Escoffier, E. Bampis, A. Kononov : “LP-Based Algorithms for Multistage Minimization Problems”, Approximation and Online Algorithms, WAOA 2020, vol. 12806, Lecture Notes in Computer Science, Pisa, Italy, pp. 1-15, (Springer) (2020)
- T. Allouche, B. Escoffier, S. Moretti, M. Öztürk : “Social Ranking Manipulability for the CP-Majority, Banzhaf and Lexicographic Excellence Solutions”, Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence {IJCAI-PRICAI-20}, Yokohama, Japan, pp. 17-23, (International Joint Conferences on Artificial Intelligence Organization) (2020)
- B. Escoffier, H. Gilbert, A. Pass‑Lanneau : “Iterative Delegations in Liquid Democracy with Restricted Preferences”, AAAI Technical Track: Game Theory and Economic Paradigms, vol. 34 (2), New-York, NY, United States, pp. 1926-1933 (2020)
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2019
- B. Escoffier, H. Gilbert, A. Pass‑Lanneau : “The Convergence of Iterative Delegations in Liquid Democracy in a Social Network”, Lecture Notes in Computer Science, vol. 11801, Athènes, Greece, pp. 284-297 (2019)
- B. Escoffier : “Saving colors and Max Coloring: some fixed-parameter tractability results”, Theoretical Computer Science, vol. 758, pp. 30-41, (Elsevier) (2019)
- E. Bampis, B. Escoffier, K. Schewior, A. Teiller : “Online Multistage Subset Maximization Problems”, 27th Annual European Symposium on Algorithms (ESA 2019), vol. 144, Leibniz International Proceedings in Informatics (LIPIcs), Munich, Germany, (Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik) (2019)
- E. Bampis, B. Escoffier, A. Teiller : “Multistage Knapsack”, 44th International Symposium on Mathematical Foundations of Computer Science (MFCS 2019), vol. 138, Aachen, Germany, pp. 22:1-22:14, (Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik) (2019)
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2018
- E. Angel, E. Bampis, B. Escoffier, M. Lampis : “Parameterized Power Vertex Cover”, Discrete Mathematics and Theoretical Computer Science, vol. 20 (2), (DMTCS) (2018)
- E. Bampis, B. Escoffier, S. Mladenovic : “Fair resource allocation over time”, AAMAS 2018 - 17th International Conference on Autonomous Agents and MultiAgent Systems, Stockholm, Sweden, pp. 766-773, (International Foundation for Autonomous Agents and Multiagent Systems) (2018)
- E. Bampis, B. Escoffier, M. Lampis, Vangelis Th. Paschos : “Multistage Matchings”, 16th Scandinavian Symposium and Workshops on Algorithm Theory (SWAT 2018), vol. 101, Leibniz International Proceedings in Informatics (LIPIcs), Malmo, Sweden, pp. 7:1-7:13 (2018)
- É. Bonnet, B. Escoffier, Vangelis Th. Paschos, G. Stamoulis : “Purely combinatorial approximation algorithms for maximum k -vertex cover in bipartite graphs”, Discrete Optimization, vol. 27, pp. 26-56, (Elsevier) (2018)
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2017
- B. Escoffier, L. Gourvès, J. Monnot : “The Price of Optimum: Complexity and Approximation for a Matching Game”, Algorithmica, vol. 77 (3), pp. 836-866, (Springer Verlag) (2017)
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2016
- B. Escoffier : “Saving colors and Max Coloring: some fixed-parameter tractability results”, Proceedings of WG 2016, 42nd International Workshop on Graph-Theoretic Concepts in Computer Science, Lecture Notes in Computer Science, Istanbul, Turkey (2016)
- E. Angel, E. Bampis, B. Escoffier, M. Lampis : “Parameterized Power Vertex Cover”, Graph-Theoretic Concepts in Computer Science, vol. 9941, Lecture Notes in Computer Science, Istanbul, Turkey, pp. 97-108, (Springer) (2016)
- É. Bonnet, B. Escoffier, V. Paschos, G. Stamoulis : “A 0.821-Ratio Purely Combinatorial Algorithm for Maximum k-vertex Cover in Bipartite Graphs”, LATIN 2016: Theoretical Informatics - 12th Latin American Symposium, vol. 9644, Lecture Notes in Computer Science, Ensenada, Mexico, pp. 235-248, (Springer) (2016)
- B. Escoffier, Vangelis Th. Paschos, E. Tourniaire : “Super-polynomial approximation branching algorithms”, RAIRO - Operations Research, vol. 50 (4-5), pp. 979-994, (EDP Sciences) (2016)
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2015
- É. Bonnet, B. Escoffier, V. Paschos, E. Tourniaire : “Multi-parameter Analysis for Local Graph Partitioning Problems: Using Greediness for Parameterization”, Algorithmica, vol. 71 (3), pp. 566-580, (Springer Verlag) (2015)
- É. Bonnet, B. Escoffier, E. Kim, V. Paschos : “On Subexponential and FPT-Time Inapproximability”, Algorithmica, vol. 71 (3), pp. 541-565, (Springer Verlag) (2015)
- B. Escoffier, J. Monnot, Vangelis Th. Paschos, M. Xiao : “New results on polynomial inapproximability and fixed parameter approximability of edge dominating set”, Theory of Computing Systems, vol. 56 (2), pp. 330-346, (Springer Verlag) (2015)
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2014
- B. Escoffier, V. Paschos, E. Tourniaire : “Approximating MAX SAT by Moderately Exponential and Parameterized Algorithms”, Theoretical Computer Science, vol. 560 (2), pp. 147-157, (Elsevier) (2014)
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2013
- B. Escoffier, J. Monnot, F. Pascual, O. Spanjaard : “Truthful many-to-many assignment with private weights”, 8th International Conference on Algorithms and Complexity (CIAC 2013), vol. 7878, Lecture Notes in Computer Science, Barcelona, Spain, pp. 209-220, (Springer) (2013)
- B. Escoffier, J. Monnot, F. Pascual, O. Spanjaard : “Algorithmes à véracité garantie pour des problèmes de b-couplage dans un graphe biparti”, 14e Congrès de la Société Française de Recherche Opérationnelle et d'Aide à la Décision, ROADEF 2013, Troyes, France (2013)
- N. Bourgeois, F. Della Croce, V. Paschos, B. Escoffier : “Fast algorithms for min independent dominating set”, Discrete Applied Mathematics, vol. 161 (4-5), pp. 558-572, (Elsevier) (2013)
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2012
- B. Escoffier, V. Paschos, E. Tourniaire : “Moderate exponential time approximation and branching algorithms”, (2012)
- É. Bonnet, B. Escoffier, V. Paschos, E. Tourniaire : “Using greediness for parameterization: the case of max and min (k, n − k)-cut”, (2012)
- B. Escoffier, E. Kim, V. Paschos : “Subexponential and FPT-time Inapproximability of Independent Set and Related Problems”, (2012)
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2011
- B. Escoffier, L. Gourvès, K. Nguyen, F. Pascual, O. Spanjaard : “Strategy-proof Mechanisms for Facility Location Games with Many Facilities”, 2nd International Conference on Algorithmic Decision Theory (ADT'11), vol. 6992, Lecture Notes in Artificial Intelligence, Piscataway, NJ, United States, pp. 67-81, (Springer) (2011)
- B. Escoffier, L. Gourvès, K. Nguyen, F. Pascual, O. Spanjaard : “Algorithmes à véracité garantie pour le placement d’installations sur une ligne”, 12e Congrès de la Société Française de Recherche Opérationnelle et d'Aide à la Décision (ROADEF 2011), Saint-Etienne, France (2011)
- B. Escoffier, V. Paschos, E. Tourniaire : “Approximating MAX SAT by moderately exponential algorithms”, (2011)
- N. Boria, N. Bourgeois, B. Escoffier, V. Paschos : “Exponential approximation schemata for some network design problems”, (2011)
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2010
- B. Escoffier, L. Gourvès, J. Monnot, O. Spanjaard : “Two-stage stochastic matching and spanning tree problems: polynomial instances and approximation”, European Journal of Operational Research, vol. 205 (1), pp. 19-30, (Elsevier) (2010)
- B. Escoffier, O. Spanjaard : “Dynamic Programming”, chapter in Concepts of Combinatorial Optimization, pp. 71-98, (ISTE -- Wiley), (ISBN: 9781848211476) (2010)
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2009
- N. Bourgeois, B. Escoffier, V. Paschos, J. M. M. Van Rooij : “Fast algorithms for max independent set”, (2009)
- N. Bourgeois, F. Della Croce, B. Escoffier, V. Paschos : “Exact algorithms for dominating clique problems”, (2009)
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2008
- B. Escoffier, J. Monnot, O. Spanjaard : “Some tractable instances of interval data minmax regret problems”, Operations Research Letters, vol. 36 (4), pp. 424-429, (Elsevier) (2008)
- B. Escoffier, J. Monnot, O. Spanjaard : “Some tractable instances of interval data minmax regret problems: bounded distance from triviality (short version)”, 34th International Conference on Current Trends in Theory and Practice of Computer Science, vol. 4910, Lecture Notes in Computer Science, Nový Smokovec, Slovakia, pp. 280-291, (Springer-Verlag) (2008)
- G. Ausiello, V. Bonifaci, B. Escoffier : “Complexity and Approximation in Reoptimization”, (2008)
- N. Bourgeois, B. Escoffier, V. Paschos : “Efficient approximation of MIN COLORING by moderately exponential algorithms”, (2008)
- N. Bourgeois, B. Escoffier, V. Paschos : “Efficient approximation of MIN SET COVER by "low-complexity" exponential algorithms”, (2008)
- N. Bourgeois, B. Escoffier, V. Paschos, J. M. M. Van Rooij : “Fast algorithms for MAX INDEPENDENT SET in graphs of small average degree”, (2008)
- N. Bourgeois, B. Escoffier, V. Paschos, J. M. M. Van Rooij : “Fast algorithms for max independent set in graphs of small average degree”, (2008)
- N. Bourgeois, B. Escoffier, V. Paschos : “Effcient approximation by “low-complexity” exponential algorithms”, (2008)
- N. Bourgeois, B. Escoffier, V. Paschos : “An improved exact algorithm for maximum independent set in sparse graphs”, (2008)
- J. Lang, B. Escoffier, M. Öztürk : “Single-Peaked consistency and its complexity”, 18th European Conference on Artificial Intelligence(ECAI'08), Greece, pp. 366-370 (2008)
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2007
- B. Escoffier, J. Monnot, O. Spanjaard : “Some tractable instances of interval data minmax regret problems: bounded distance from triviality”, (2007)
- N. Bourgeois, B. Escoffier, V. Paschos : “Efficient approximation by "low-complexity" exponential algorithms”, (2007)
- N. Bourgeois, F. Della Croce, B. Escoffier, C. Murat, V. Paschos : “Probabilistic graph-coloring in bipartite and split graphs (Exented version of cahier du LAMSADE 218)”, (2007)
- B. Escoffier, J. Monnot : “Better differential approximation for symetric TSP”, (2007)
- B. Escoffier, L. Gourvès, J. Monnot : “Complexity and approximation results for the connected vertex cover problem in graphs and hypergraphs”, (2007)
- B. Escoffier, V. Paschos : “Structures des classes d’approximation : un état de l’art”, (2007)
- B. Escoffier, M. Milanic, V. Paschos : “Simple and fast reoptimizations for the Steiner tree problem”, (2007)
- N. Bourgeois, F. Della Croce, B. Escoffier, C. Murat, V. Paschos : “Probabilistic graph-coloring in bipartite and split graphs”, (2007)
- B. Escoffier, V. Paschos : “A survey on the structure of approximation classes”, (2007)
- B. Escoffier, J. Monnot : “Better differential approximation for symmetric TSP”, (2007)
- B. Escoffier, V. Paschos : “Structures des classes d’approximation : un état de l’art”, (2007)
- B. Escoffier, M. Milanic, V. Paschos : “Simple and fast reoptimizations for the Steiner tree problem”, (2007)
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2006
- B. Escoffier, P. Hammer : “Approximation of Quadratic Set Covering Problem”, (2006)
- M. Demange, B. Escoffier, J. Monnot, V. Paschos, D. De Werra : “Weighted coloring on planar, bipartite and split graphs: complexity and approximation”, (2006)
- B. Escoffier, J. Monnot, V. Paschos : “Weighted coloring: further complexity and approximability results”, (2006)
- C. Demestrescu, B. Escoffier, G. Moruz, A. Ribichini : “Parallel Algorithms are Good for Streaming”, (2006)
- G. Ausiello, B. Escoffier, J. Monnot, V. Paschos : “Reoptimization of minimum and maximum traveling salesman’s tours (février 2006)”, (2006)
- C. Demetrescu, B. Escoffier, G. Moruz, A. Ribichini : “Parallel Algorithms are Good for Streaming”, (2006)
- F. Della Croce, B. Escoffier, V. Paschos : “Improved worst-case complexity for the MIN 3-SET COVERING problem (janvier 2006)”, (2006)
- F. Della Croce, B. Escoffier, V. Paschos : “Improved worst-case complexity for the MIN 3-SET COVERING problem”, (2006)
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2005
- B. Escoffier, O. Spanjaard : “Programmation dynamique”, chapitre de Optimisation combinatoire (Volume 1: concepts fondamentaux), pp. 95-124, (Hermès), (ISBN: 2-7462-1038-X) (2005)
- B. Escoffier, V. Paschos : “Completeness in approximation classes beyong APX (septembre 2005)”, (2005)
- B. Escoffier, V. Paschos : “Completeness in approximation classes beyond APX”, (2005)
- G. Ausiello, B. Escoffier, J. Monnot, V. Paschos : “Reoptimization of minimum and maximum travelling salesman’s tours”, (2005)
- F. Della Croce, B. Escoffier, C. Murat, V. Paschos : “Probabilistic coloring of bipartite and split graphs”, (2005)
- C. Bazgan, B. Escoffier, V. Paschos : “Completeness in standard and differential approximation classes: Poly-(D)APX- and (D)PTAS-completeness”, (2005)
- B. Escoffier, V. Paschos : “Differential approximation of MIN SAT, MAX SAT and related problems”, (2005)
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2004
- B. Escoffier, V. Paschos : “Differential approximation of MIN SAT, MAX SAT and related problems”, (2004)
- D. De Werra, M. Demange, B. Escoffier, J. Monnot, V. Paschos : “Weighted coloring on planar, bipartite and split graphs: complexity and improved approximation”, ISAAC. 04, France, pp. 896-907, (LNCS 3341-springer verlaag) (2004)
- B. Escoffier, V. Paschos : “An Alternative proof of SAT NP-Completeness”, 10 pages (2004)
- B. Escoffier, V. Paschos : “Differential approximation of MIN SAT, MAX SAT and related problems”, 21 pages (2004)
- B. Escoffier, V. Paschos : “On-line models and algorithms for MAX INDEPENDENT SET”, 16 pages (2004)