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Laboratoire de Recherche en Informatique - Algo Group
Seminar
For more information or if you want to be on the mailing list, contact Iordanis Kerenidis.

List of all seminars

Upcoming seminars
Friday, 05 October 2012
Time: 14:30
Room: 0 (Bat. 650)
Speaker: Jin Akiyama (Université de Tokyo)
Title: Geometry behind Art : Tessellations, Reversibilities and Decompositions of Polyhedra
Abstract


Friday, 29 June 2012
Time: 14:30
Room: 445 (Bat. PCRI-N)
Speaker: Periklis A. Papakonstantinou ()
Title: Time-space tradeoffs for width-parameterized SAT
Abstract


Friday, 25 May 2012
Time: 15:00
Room: 445 (Bat. PCRI-N)
Speaker: Petru Valicov (LaBRI, Bordeaux)
Title: A new algorithm for the Orthogonal Packing Problem
Abstract


Friday, 25 May 2012
Time: 14:00
Room: 445 (Bat. PCRI-N)
Speaker: Mathieu Liedloff ()
Title: Un algorithme exponentiel pour l'étiquetage L(2,1) de graphes
Abstract


Friday, 04 May 2012
Time: 14:30
Room: 445 (Bat. PCRI-N)
Speaker: Johan Thapper (LIX)
Title: A new graph parameter and its relation to approximation properties of graph H-colouring
Abstract


Friday, 13 April 2012
Time: 14:30
Room: 445 (Bat. PCRI-N)
Speaker: Pavol Hell (Simon Fraser University, Vancouver Canada)
Title: Finite obstructions to graph partitions
Abstract


Friday, 17 February 2012
Time: 14:30
Room: 445 (Bat. PCRI-N)
Speaker: Daniele Gardy ()
Title: Arbres enrichis
Abstract


Friday, 03 February 2012
Time: 14:30
Room: 445 (Bat. PCRI-N)
Speaker: Nathann Cohen ()
Title: Une preuve courte d'un résultat de choisissabilité dans les graphes planaires
Abstract


Thursday, 07 October 2010
Time: 11:00
Room: 79 (Bat. 490)
Speaker: Francois Le Gall (The University of Tokyo)
Title: An Efficient Quantum Algorithm for some Instances of the Group Isomorphism Problem
Abstract


Tuesday, 28 September 2010
Time: 14:00
Room: 90 (Bat. 490)
Speaker: Yi-Kai Liu (Caltech)
Title: Quantum State Tomography, Compressed Sensing, and Matrix Product States
Abstract


Tuesday, 14 September 2010
Time: 15:30
Room: 79 (Bat. 490)
Speaker: Ronald de Wolf (CWI)
Title: Better Bell inequality violations from theoretical computer science
Abstract


Tuesday, 14 September 2010
Time: 11:00
Room: 79 (Bat. 490)
Speaker: Julia Kempe (LRI)
Title: Habilitation: Calcul Quantique
Abstract


Tuesday, 07 September 2010
Time: 11:00
Room: 101 (Bat. 490)
Speaker: Amit Chakrabarti (Dartmouth College)
Title: Information Cost Tradeoffs for AUGMENTED INDEX
Abstract


Tuesday, 17 August 2010
Time: 15:00
Room: 101 (Bat. 490)
Speaker: Sevag Gharibian (University of Waterloo)
Title: Strong NP-hardness of the Quantum Separability Problem
Abstract


Tuesday, 17 August 2010
Time: 11:00
Room: 101 (Bat. 490)
Speaker: Jop Briet (CWI)
Title: The positive definite Grothendieck problem with rank constraint
Abstract


Tuesday, 13 July 2010
Time: 11:00
Room: 101 (Bat. 490)
Speaker: David Woodruff (IBM Almaden)
Title: Fast Robust Regression in Data Streams
Abstract


Friday, 09 July 2010
Time: 11:00
Room: 98 (Bat. 490)
Speaker: Umesh Vazirani (UC Berkeley)
Title: The detectability lemma and the area law
Abstract


Thursday, 01 July 2010
Time: 11:00
Room: 101 (Bat. 490)
Speaker: Denis Rosset (Universite de Geneve)
Title: Multi-nonlocality : how can we characterize the quantum correlations of entangled independent sources ?
Abstract


Tuesday, 29 June 2010
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Peter Bro Miltersen (Computer Science Department, Aarhus University)
Title: Lower bounds for solving concurrent reachabiltiy games using strategy iteration
Abstract


Tuesday, 29 June 2010
Time: 11:00
Room: 101 (Bat. 490)
Speaker: Boaz Patt-Shamir (Université de Tel-Aviv)
Title: Online Set Packing
Abstract


Tuesday, 08 June 2010
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Julia Kempe (Université de Tel-Aviv)
Title: Two-source extractors secure against quantum
Abstract


Friday, 28 May 2010
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Ben Rossman (MIT)
Title: Lower Bounds for k-CLIQUE on Random Graphs
Abstract


Tuesday, 04 May 2010
Time: 10:00
Room: 101 (Bat. 490)
Speaker: Mathilde Bouvel (LIAFA)
Title: Motifs et classes de permutations : le point de vue des arbres de décomposition
Abstract


Tuesday, 13 April 2010
Time: 10:00
Room: 101 (Bat. 490)
Speaker: Antoine Genitrini (Universit´e de Versailles St-Quentin-en-Yvelines, lab. PRiSM.)
Title: Expressions booléennes aléatoires et fonctions booléennes
Abstract


Tuesday, 30 March 2010
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Takeshi Koshiba (Saitama University)
Title: Interactive Hashing and BB84 states
Abstract


Tuesday, 09 March 2010
Time: 11:00
Room: 101 (Bat. 490)
Speaker: Spyros Angelopoulos (Max Planck Institute)
Title: Scheduling strategies for efficient interruptible algorithms
Abstract


Wednesday, 03 March 2010
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Raghav Kulkarni (University of Chicago, Chicago IL, USA.)
Title: Evasiveness and the Music of Primes
Abstract


Friday, 12 February 2010
Time: 11:00
Room: 101 (Bat. 490)
Speaker: Giorgos Christodoulou (Liverpool University)
Title: On the performance of approximate equilibria in congestion games
Abstract


Thursday, 04 February 2010
Time: 14:30
Room: 101 (Bat. 490)
Speaker: Yeow Meng CHEE (Nanyang Technological University Singapore)
Title: Universal Cycles, 2-Radius Sequences, and Fetching Huge Objects into Small Memory
Abstract


Thursday, 04 February 2010
Time: 13:30
Room: 101 (Bat. 490)
Speaker: David Duris ()
Title: Destructive rule-based properties and first-order logic
Abstract


Thursday, 14 January 2010
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Thomas Vidick (UC Berkeley)
Title: Near-optimal extractors against quantum storage
Abstract


Tuesday, 24 November 2009
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Mauro Sozio (Max Planck)
Title: An Efficient Algorithm for Replicating Data in Modern Networks
Abstract


Thursday, 12 November 2009
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Simon Perdrix (CNRS)
Title: Classical and Quantum Fanouts have the same Power
Abstract


Thursday, 05 November 2009
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Damian Markham (ENST)
Title: Information Flow in Secret Sharing Protocols
Abstract


Thursday, 15 October 2009
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Oded Regev (Tel-Aviv University)
Title: Tight bound for Gap Hamming Distance
Abstract


Thursday, 01 October 2009
Time: 14:00
Room: 101 (Bat. 490)
Speaker: David Xiao (LRI)
Title: Using Merlin to Estimate Histograms and Recursively Find Collisions, with Applications
Abstract


Thursday, 17 September 2009
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Bireswar Das (The Institute of Mathematical Sciences)
Title: SZK Proofs for Black Box Group Problems
Abstract


Tuesday, 15 September 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Matthew McKague (University of Waterloo)
Title: On quantum mechanics over the reals
Abstract


Monday, 07 September 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Giannicola Scarpa (University of Salerno)
Title: Network Games with Quantum Strategies
Abstract


Thursday, 09 July 2009
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Rahul Jain (CQT, National University of Singapore)
Title: Two-message quantum interactive proofs are in PSPACE.
Abstract


Thursday, 09 July 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Claire Mathieu (Brown University)
Title: Correlation Clustering with Noisy Input.
Abstract


Thursday, 25 June 2009
Time: 10:00
Room: 101 (Bat. 490)
Speaker: Anupam Gupta (Carnegie Mellon University)
Title: Approximate Clustering without the Approximation Algorithm
Abstract


Tuesday, 23 June 2009
Time: 15:30
Room: 90 (Bat. 490)
Speaker: Barry Sanders (University of Calgary)
Title: An introduction to "continuous variable" quantum information
Abstract


Friday, 19 June 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: McGettrick, Michael (National University of Ireland)
Title: The Quantum Prisoners Multilemma, and other quantum games.
Abstract


Thursday, 11 June 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Christoph Durr (Ecole Polytechnique)
Title: Online Scheduling of Bounded Length Jobs to Maximize Throughput
Abstract


Thursday, 07 May 2009
Time: 14:30
Room: 79 (Bat. 490)
Speaker: Benoît Masson (University of Western Ontario)
Title: Des piles de sable aux automates de sable
Abstract


Thursday, 07 May 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: THOMAS DECKER (McGill University)
Title: Hidden Polynomial Function Graphs
Abstract


Thursday, 30 April 2009
Time: 14:00
Room: 79 (Bat. 490)
Speaker: Louis Esperet (Charles University, Prague, Czech Republic)
Title: Couplages parfaits dans les graphes cubiques
Abstract


Friday, 10 April 2009
Time: 11:30
Room: 90 (Bat. 490)
Speaker: Nicolas Thibault (Université d'Évry Val d'Essonne)
Title: Algorithme d'approximation pour l'ordonnancement on-line de tâches avec pénalités
Abstract


Thursday, 09 April 2009
Time: 14:00
Room: 90 (Bat. 490)
Speaker: Marion Le Gonidec (Université du Sud Toulon Var.)
Title: TBA
Abstract


Thursday, 09 April 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Mathieu Tracol (LRI)
Title: Analyse statistique pour Markov Decision Processes et Automates Probabilistes
Abstract


Thursday, 02 April 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Olivier Mallet (LIAFA)
Title: Autour des surpartitions et des identités de type Rogers-Ramanujan
Abstract


Tuesday, 10 March 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Daviv Xiao (Princeton University)
Title: On the Black-box Complexity of PAC Learning
Abstract


Thursday, 26 February 2009
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Oded Regev (Tel-Aviv University)
Title: Unique Games with Entangled Provers are Easy
Abstract


Friday, 20 February 2009
Time: 14:00
Room: 90 (Bat. 490)
Speaker: Francois le Gall (Japan Science and Technology Agency)
Title: Efficient Isomorphism Testing for a Class of Group Extensions
Abstract


Friday, 30 January 2009
Time: 11:30
Room: 90 (Bat. 490)
Speaker: Alessandro Panconesi (Sapienza Università di Roma)
Title: The Compressible Web: An Ounce of Knowledge for a Ton of Data?
Abstract


Thursday, 18 December 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Hubert Chan (Max Planck Institute)
Title: Approximation Algorithms on Bounded Dimensional Metric Spaces
Abstract


Thursday, 11 December 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: David Steurer (Princeton University)
Title: Rounding Parallel Repetitions of Unique Games
Abstract


Tuesday, 09 December 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Gabor Ivanyos (Hungarian Academy of Sciences)
Title: On unconditional deterministic polynomial factorization over finite fields
Abstract


Thursday, 27 November 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Alex Postnikov (MIT)
Title: Total positivity, matroids, and polytopes
Abstract


Thursday, 13 November 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Benny Chor (Tel Aviv University)
Title: Information Theoretic Approaches to Whole Genome Phylogenies
Abstract


Thursday, 06 November 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Oded Lachish (University of Warwick)
Title: Property Testing in the Underlying Graph Model
Abstract


Thursday, 30 October 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Simon Perdrix (Oxford University)
Title: Finding optimal flow efficiently
Abstract


Thursday, 16 October 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Peter Richter (LRI)
Title: On the hitting times of quantum versus random walks
Abstract


Thursday, 02 October 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Peter P. Palfy (Renyi Institute, Budapest)
Title: Random algorithms for recognizing black-box groups
Abstract


Tuesday, 01 July 2008
Time: 15:00
Room: 79 (Bat. 490)
Speaker: Umesh Vazirani (UC Berkeley)
Title: Expander Flows, Graph Spectra and Graph Separators
Abstract


Tuesday, 01 July 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Amit Deshpande (Microsoft Research, India)
Title: Sampling-Based Algorithms for Dimension Reduction
Abstract


Thursday, 26 June 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Pranab Sen (Tata Institute of Fundamental Research)
Title: Making Classical Zero Knowledge Protocols Secure Against Quantum Attacks
Abstract


Friday, 20 June 2008
Time: 11:30
Room: 90 (Bat. 490)
Speaker: Ashish Goel (Stanford University)
Title: Molecular algorithms: combining efficiency with robustness
Abstract


Thursday, 12 June 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Dieter van Melkebeek (University of Winsconsin Madison)
Title: Lower Bounds for Satisfiability and Related Problems (Part II)
Abstract


Thursday, 05 June 2008
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Dieter van Melkebeek (University of Winsconsin Madison)
Title: Lower Bounds for Satisfiability and Related Problems
Abstract


Tuesday, 20 May 2008
Time: 14:00
Room: 79 (Bat. 490)
Speaker: Troy Lee (Rutgers University)
Title: Disjointness is hard in the multi-party number-on-the-forehead model
Abstract


Monday, 19 May 2008
Time: 11:30
Room: 79 (Bat. 490)
Speaker: Elias Koutsoupias (Univeristy of Athens, Greece)
Title: Mechanism design for scheduling unrelated machines
Abstract


Friday, 09 May 2008
Time: 14:30
Room: 101 (Bat. 490)
Speaker: Gilles Brassard (Univ Montreal)
Title: Loss-tolerant quantum coin flipping
Abstract


Tuesday, 29 April 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Vincent Nesme (Technische Universitat Braunschweig)
Title: Quantum Cellular Automata
Abstract


Thursday, 17 April 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Guy Even (Tel-Aviv University)
Title: A strongly polynomial algorithm for finding optimal policies for one dimensional Markov decision processes
Abstract


Thursday, 10 April 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Nisheeth Vishnoi (IBM Research)
Title: Cuts, Embeddings and Flows
Abstract


Thursday, 03 April 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Allan Sly (UC Berkeley)
Title: Mixing on Random Graphs
Abstract


Thursday, 20 March 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Harald Raecke (Carnegie Mellon University)
Title: Hierarchical Graph Decompositions for Minimizing Congestion
Abstract


Monday, 25 February 2008
Time: 16:30
Room: 101 (Bat. 490)
Speaker: Kazuo Iwama (Kyoto University, Japan)
Title: Design and Analysis of Classic and Quantum Network Coding
Abstract


Monday, 25 February 2008
Time: 15:05
Room: 101 (Bat. 490)
Speaker: Keiji Matsumoto (National Institute of Informatics (NII) , Tokyo, Japan)
Title: PSPACE has one round quantum multiprover interactive proofs
Abstract


Monday, 25 February 2008
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Hirotada Kobayashi (Naitonal Institute of Informatics (NII), Tokyo, Japan)
Title: Entanglement and Multi-Prover Interactive Proof Systems
Abstract


Monday, 18 February 2008
Time: 11:00
Room: 101 (Bat. 490)
Speaker: Arie Matsliah (Technion University)
Title: Underapproximation for Model-Checking Based on Universal Circuits
Abstract


Thursday, 14 February 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Ashwin Nayak (University of Waterloo)
Title: On divergence Information (Lecture 2)
Abstract


Thursday, 07 February 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Ashwin Nayak (University of Waterloo and Perimeter Institute)
Title: On Divergence Information
Abstract


Tuesday, 29 January 2008
Time: 11:30
Room: 101 (Bat. 490)
Speaker: Oded Regev (Tel-Aviv University)
Title: Impossibility of a Quantum Speed-up with a Faulty Oracle
Abstract


Friday, 29 June 2001
Time: 14:00
Room: 101 (Bat. 490)
Speaker: Peter Bro Miltersen (Computer Science Department, Aarhus University)
Title: Lower bounds for solving concurrent reachabiltiy games using strategy iteration
Abstract



Thursday january 17 2008
Time: 14h00   Room: 90 (490)
Speaker: Andre Chailloux (LRI)
Title: Noninteractive and Interactive Zero Knowledge are equivalent in the help model
Abstract


Thursday january 10 2008
Time: 11h30   Room: 101 (490)
Speaker: Pascal Ochem (LRI)
Title: Binary words avoiding the pattern AABBCABBA
Abstract


Tuesday december 11 2007
Time: 14h00   Room: 79 (490)
Speaker: Rahul Jain (Univ of Waterloo and IQC)
Title: Direct product theorems for communication complexity via sub-distribution bounds with application to communication-entanglement trade-offs in quantum communication protocols
Abstract


Thursday december 06 2007
Time: 14h00   Room: 101 (490)
Speaker: Penghui Yao (Chinese Academy of Sciences)
Title: Quantum Matchcircuits
Abstract


Thursday november 29 2007
Time: 13h30   Room: 101 (490)
Speaker: Olivier Bernardi (CNRS - Univ Paris-Sud)
Title: On the growth rate of minor-closed classes of graphs
Abstract


Thursday november 22 2007
Time: 13h30   Room: 79 (490)
Speaker: Nisheeth Vishnoi (UC Berkeley and IBM India Research Lab)
Title: The Unique Games Conjecture is false for Expanders
Abstract


Tuesday november 13 2007
Time: 14h00   Room: 79 (490)
Speaker: Nisheeth Vishnoi (UC Berkeley and IBM India Research Lab)
Title: A Semidefinite Programming Based Approach for Partitioning Graphs
Abstract


Thursday october 25 2007
Time: 13h30   Room: 79 (490)
Speaker: Sylvain Perifel (LIP, ENS Lyon)
Title: Interpolation in Valiant's theory
Abstract


Thursday october 18 2007
Time: 13h00   Room: 101 (490)
Speaker: Amir Shpilka (Technion University)
Title: Polynomial identity testing and polynomial interpolation for restricted circuits
Abstract


Thursday october 04 2007
Time: 14h00   Room: 101 (490)
Speaker: Oded Regev (Tel-Aviv Univ)
Title: Lecture 2
Abstract


Tuesday october 02 2007
Time: 14h00   Room: Bur. 248a ()
Speaker: Oded Regev (Tel-Aviv Univ)
Title: Lecture 1
Abstract


Thursday september 27 2007
Time: 13h30   Room: 79 (490)
Speaker: Julia Kempe (Tel-Aviv Univ)
Title: Entanglement in Multi-prover interactive proof systems
Abstract


Tuesday september 25 2007
Time: 11h30   Room: 90 (490)
Speaker: Morteza Mohammad Noori (IPM, Tehran)
Title: Inclusion matrices and chains
Abstract


Tuesday september 18 2007
Time: 11h30   Room: 101 (490)
Speaker: Oded Regev (Tel-Aviv Univ)
Title: A Hypercontractive Inequality for Matrix-Valued Functions
Abstract


Thursday september 13 2007
Time: 15h00   Room: 79 (490)
Speaker: Julien Degorre
Title: Soutenance
Abstract


Wednesday september 12 2007
Time: 10h00   Room: 79 (490)
Speaker: Philippe Nadeau (LRI)
Title: Soutenance
Abstract


Tuesday september 11 2007
Time: 14h00   Room: firtech (490)
Speaker: Oded Regev (Tel-Aviv Uni)
Title: Simulating Quantum Correlations with Finite Communication
Abstract


Thursday september 06 2007
Time: 14h00   Room: 90 (490)
Speaker: Kae Nemoto (NII, Japan)
Title: Qubus computation
Abstract


Thursday june 07 2007
Time: 11h30   Room: 101 (490)
Speaker: Sylvain Perifel (ENS Lyon)
Title: Symmetry of information and nonuniform lower bounds
Abstract


Thursday may 31 2007
Time: 11h30   Room: 101 (490)
Speaker: Elham Kashefi (Oxford University)
Title: Parallelising Quantum Circcuits
Abstract


Wednesday may 16 2007
Time: 14h00   Room: 101 (490)
Speaker: Dimitris Achlioptas (University of California, Santa Cruz)
Title: Random k-SAT (Lecture 3)
Abstract


Monday may 14 2007
Time: 14h00   Room: 101 (490)
Speaker: Dimitris Achlioptas (University of Santa Cruz)
Title: Random k-SAT (Lecture 2)
Abstract


Friday may 11 2007
Time: 13h30   Room: 101 (490)
Speaker: Dimitris Achlioptas (University of California, Santa Cruz)
Title: Random k-SAT (Lecture 1)
Abstract


Wednesday may 09 2007
Time: 11h00   Room: 101 (490)
Speaker: Dimitris Achlioptas (University of California, Santa Cruz)
Title: Applications of Random Matrices in Spectral Computations and Machine Learning
Abstract


Thursday may 03 2007
Time: 11h30   Room: 101 (490)
Speaker: Julien Bernat ((IML, Marseille))
Title: Algorithme des paires equilibrees irreductibles pour les langages substitutifs
Abstract


Thursday april 26 2007
Time: 11h30   Room: 101 (490)
Speaker: Joel Friedman (UBC)
Title: Trouble with Non-regular Graphs and Expansion
Abstract


Tuesday april 24 2007
Time: 10h00   Room: 101 (490)
Speaker: Guillaume Malod (University of Mons-Hainaut, Belgium)
Title: Circuits avec deux opérations
Abstract


Thursday april 19 2007
Time: 11h30   Room: 101 (490)
Speaker: Mikkel Thorup (AT&T Labs-Research)
Title: Approximate Distance Oracles for Planar Graphs and for the Plane with Obstacles
Abstract


Thursday april 12 2007
Time: 11h30   Room: 101 (490)
Speaker: Luca Castelli Aleardi (LIX, Ecole Polytechnique)
Title: Compact representations of Geometric Data Structures
Abstract


Thursday april 05 2007
Time: 11h30   Room: 101 (490)
Speaker: Farid Ablayev (Kazan State University)
Title: On Computational Power of Classical and Quantum Branching Programs
Abstract


Monday april 02 2007
Time: 14h30   Room: 79 (490)
Speaker: Elad Verbin (Tel Aviv University)
Title: Colored Range Searching via Matrix Multiplication
Abstract


Friday march 30 2007
Time: 11h30   Room: firtech (490)
Speaker: Laszlo Babai (Univ. of Chicago)
Title: The Abelian Sandpile Model
Abstract


Thursday march 22 2007
Time: 11h30   Room: 101 (490)
Speaker: Gabor Ivanyos (Hungarian Academy of Sciences)
Title: Transformers and deciding universality of quantum gates
Abstract


Thursday march 15 2007
Time: 11h30   Room: 101 (490)
Speaker: Fanny Pascual (INRIA, ID-IMAG, Grenoble)
Title: Optimisation en présence d'entités aux intérêts divergents : exemple avec un problème d'ordonnancement
Abstract


Thursday january 18 2007
Time: 14h00   Room: 101 (490)
Speaker: Troy Lee (LRI)
Title: Negative weights make adversaries stronger
Abstract


Thursday january 11 2007
Time: 14h00   Room: 101 (490)
Speaker: Luc Sanselme (LRI)
Title: T.B.A.
Abstract


Monday december 18 2006
Time: 15h30   Room: 101 (490)
Speaker: Robert Spalek (UC Berkeley)
Title: T.B.A.
Abstract


Time: 14h00   Room: 101 (490)
Speaker: Joel Friedman (University of British Columbia)
Title: Boolean Circuit Depth Complexity and Betti Numbers
Abstract


Thursday december 14 2006
Time: 14h00   Room: 101 (490)
Speaker: Phong Q. Nguyen (ENS)
Title: Hermite's constant and lattice reduction algorithms
Abstract


Thursday december 07 2006
Time: 14h00   Room: 101 (490)
Speaker: Ben Toner (CWI, Pays Bas)
Title: De Finetti theorems for finitely exchangeable conditional probability distributions
Abstract


Thursday november 30 2006
Time: 14h00   Room: 101 (490)
Speaker: Thomas Vidick (ENS)
Title: T.B.A.
Abstract


Thursday november 23 2006
Time: 14h00   Room: 101 (490)
Speaker: Dror Rawitz (Tel Aviv University)
Title: Optimization Problems in Multiple-Interval Graphs
Abstract


Thursday november 16 2006
Time: 14h00   Room: 101 (490)
Speaker: Robert Koenig (Cambridge University)
Title: T.B.A.
Abstract


Thursday november 09 2006
Time: 14h00   Room: 101 (490)
Speaker: Sylvie Corteel (LRI)
Title: T.B.A.
Abstract


Monday november 06 2006
Time: 11h00   Room: 101 (490)
Speaker: Peter Bro Miltersen (University of Aarhus)
Title: Strategic Game Playing and Equilibrium Refinements
Abstract


Thursday november 02 2006
Time: 14h00   Room: 101 (490)
Speaker: Hitczenko (LRI & Drexel University)
Title: Probabilistic analysis of a class of WHT algorithms
Abstract


Thursday october 19 2006
Time: 14h30   Room: 101 (490)
Speaker: Christoph Durr (Ecole Polytechnique)
Title: Finding total unimodularity in optimization problems solved by linear programs
Abstract


Tuesday october 10 2006
Time: 14h30   Room: 101 (490)
Speaker: Harald Raecke (Toyota Institute, Chicago, USA)
Title: T.B.A.
Abstract


Thursday october 05 2006
Time: 14h00   Room: 101 (490)
Speaker: Julia Kempe (LRI)
Title: Recent Separations in Quantum Communication Complexity
Abstract


Thursday september 28 2006
Time: 11h00   Room: 101 (490)
Speaker: Boaz Patt-Shamir (Tel Aviv University, Israel)
Title: Tell Me Who I Am: An Interactive Recommendation System
Abstract


Monday june 26 2006
Time: 11h00   Room: 101 (490)
Speaker: Mikkel Thorup (AT&T)
Title: Sampling to estimate arbitrary subset sums
Abstract


Time: 11h00   Room: 101 (490)
Speaker: Mikkel Thorup (AT&T)
Title: Sampling to estimate arbitrary subset sums
Abstract


Thursday june 22 2006
Time: 14h00   Room: 101 (490)
Speaker: Michel de Rougemont (LRI)
Title: Approximate Satisfiability and Equivalence
Abstract


Thursday june 08 2006
Time: 14h00   Room: 101 (490)
Speaker: Yossi Moshe (LRI)
Title: On a conjecture of McIntosh regarding LP-sequences
Abstract


Thursday june 01 2006
Time: 14h00   Room: 101 (490)
Speaker: Oded Regev (Tel Aviv University)
Title: Learning a Parallelepiped: Cryptanalysis of GGH and NTRU Signatures
Abstract


Thursday may 04 2006
Time: 14h00   Room: 101 (490)
Speaker: J.-P. Allouche (LRI)
Title: Monde lexicographique, suites sturmiennes et répartition modulo 1
Abstract


Thursday april 27 2006
Time: 15h00   Room: 101 (490)
Speaker: Christian Schaffner (BRICS, University of Aarhus)
Title: Entropic Uncertainty Relation with Applications in the Bounded Quantum Storage Model.
Abstract


Thursday march 02 2006
Time: 16h30   Room: 101 (490)
Speaker: Francesca Fiorenzi (IGM Universite Marne la Vallee)
Title: Automates cellulaires et groupes finiment engendres
Abstract


Thursday february 23 2006
Time: 14h00   Room: 101 (490)
Speaker: Eric Fusy (LIX-INRIA)
Title: Dessin de triangulations en utilisant des structures transversales
Abstract


Thursday february 09 2006
Time: 10h30   Room: bibliothèque LIMSI (502 bis)
Speaker: Yann CREAC’H , Peter HANAPPE (*)
Title: Œuvres variables : du jeu dans la création interactive
Abstract


Thursday january 12 2006
Time: 10h30   Room: 90 (490)
Speaker: Daniel Lehmann (Hebrew University)
Title: Many-to-many matching: the subset agreement problem
Abstract



  • Thu., 15 December 2005, 16h, salle 101:
    Kinkar Chandra Das, LRI
    Extremal Problem on Degree Sequence of Graphs and Trees (Abstract)

  • Fri., 9 December 2005, 14:30h, salle 79:
    Sophie Laplante, LRI
    HABILITATION: Applications de la complexité de Kolmogorov à la complexité classique et quantique

  • Thu., 8 December 2005, 14h, salle 101:
    Phillippe Nadeau, LRI
    Enumeration of Walks on the Slit Plane (Abstract)

  • Thu., 1 December 2005, 14h, salle 101:
    Robert Spalek, CWI, Amsterdam
    Quantum Time-Space Tradeoffs for Deciding Systems of Linear Inequalities (Abstract)

  • Fri., 25 November 2005, 10h, salle 79:
    Yves Verhoeven, LRI
    SOUTENANCE - THESIS DEFENCE : Complexité structurelle et complexité de requête pour des problèmes totaux

  • Thu., 17 November 2005, 14h, salle 101:
    Julien Degorre, LRI
    Simulating quantum correlations as a distributed sampling problem (Abstract)

  • Thu., 10 November 2005, 14h, salle 101:
    Carlos Martinhon, LRI
    An Approximation Algorithm for the Max-Controlled Set Problem (Abstract)

  • Thu., 3 November 2005, 14h, salle 101:
    Yossi Moshe, LRI
    Random Matrix Products and Applications to Linear Cellular Automata (Abstract)

  • Mon., 24 October 2005, 14:30h, salle 101:
    Christoph Durr, LIX
    HABILITATION: Tomographie discrète, calcul quantique et ordonnancement
    suivi d'un pot a 16:30h

  • Thu., 20 October 2005, 14h, salle 101:
    Gabor Ivanyos, SZTAKI, Budapest
    Quantum computing with global two-qubit gates (Abstract)

  • Wed., 5 October 2005, 14h, salle 101:
    Oded Regev, Tel Aviv University
    Lattice Problems, Norm Reductions and Embeddings (Abstract)

  • Wed., 5 October 2005, 15h30, salle 101:
    Troy Lee, CWI, Amsterdam
    The quantum adversary method and formula size lower bounds (Abstract)

  • Wed., 28 September 2005, 14h, salle 101:
    Iordanis Kerenidis, MIT
    Sampling and quantum one-way functions (Abstract)

  • Wed., 28 September 2005, 11h, salle 101:
    Oded Regev, Tel Aviv University
    On Khot's Unique Games Conjecture and an Application to Approximate Coloring (Abstract)