Talks and Presentations                                                   Visits click here

Conferences/ Workshops/ Invited Seminar Speaker
 
01/08
GDR Information Quantique, Paris, France
      Invited Speaker: The mystery of quantum games and non-local correlations
11/07
Theory Seminar, Technion, Israel
      Invited Speaker: On the hardness of entangled multi-prover games
11/07
Physics Seminar, University of Vienna, Austria
      Invited Speaker: Local Hamiltonians, Quantum Complexity and Adiabatic Quantum Computing
10/07
QIPC, Barcelona, Spain
      Invited Speaker: The mystery of quantum games and non-local correlations
10/07
Dagstuhl Workshop on Algebraic Methods in Complexity, Schloß Dagstuhl, Germany
       Invited speaker: On the hardness of entangled games
09/07
LRI Algorithms and Complexity Seminar, LRI, Orsay, France
      Invited Speaker: On the power of entangled provers
08/07
Giambiagi Winter School, University of Buenos Aires, Argentina
      Invited Tutorial Speaker: Quantum Algorithms
07/07 Leiden Workshop on Complexity of Hamiltonian Systems, Leiden, Netherlands
     Invited Speaker: Perturbation Theory Gadgets and Reductions in QMA
06/07
Golden Jubilee Conference, University of Waterloo, Canada
      Invited Speaker: Immunizing games against entanglement
06/07
STOC'07, San Diego, USA
      Speaker: Exponential separations for one-way quantum communication complexity, with applications to cryptography
05/07
Mathematical Physics Seminar, Technion, Haifa
      Invited Speaker: Local Hamiltonians  and Adiabatic Quantum Computing
04/07
QAP Meeting, University of Bristol, UK
      Speaker: On the power of entangled quantum provers
08/06
Physics Colloquium, University of Buenos Aires, Argentina
      Invited Speaker: The Local Hamiltonian Problem and Adiabatic Computation
08/06
International Congress on Mathematical Physics, Rio de Janeiro, Brasil
      Invited Speaker: The Local Hamiltonian Problem
06/06
CiE 2006, Computability in Europe, Swansea, UK
      Invited Tutorial Speaker: Quantum Computing : Standard Tools and New Models
06/06
Trieste Summer School, Trieste, Italy
      Invited Tutorial Speaker: Quantum Algorithms
05/06
Gordon Conference, Barga, Italy
       Invited Speaker: New separations in quantum communication complexity
01/06
The Weizmann Institute CS Colloquium, Rehovot, Israel
      Invited Colloquium Speaker: Ingredients for Quantum Computing
11/05
Poincare "Bourbaphy" Seminar, Poincare Institute, Paris, France
      Invited  Lecture:  Quantum Error Correction (affiche)
06/05
IPNO Colloquium, Institut de Physique Nucleaire, Orsay, France
      Invited Speaker: Quantum Computing - Future or Fairy Tale?
01/05
SODA'05, Vancouver, Canada
      Talks: Coins Make Quantum Walks Faster and The hidden subgroup problem and permutation group theory
12/04
The Hebrew University Mathematics Colloquium, Jerusalem, Israel
     Invited Colloquium Speaker: Quantum Computation and the Symmetric Group
12/04
FSTTCS'04, Chennai, India
     Talk: The Complexity of Local Hamiltonians
12/04
Colloque: ``Information Quantique'', Orsay
     Talk: The Complexity of Local Hamiltonians
08/04
Quantum Information Theory: Present Status and Future Directions, Newton Institute, Cambridge, UK       
     Invited Speaker: The Complexity of Local Hamiltonians
05/04
Leiden Workshop on Quantum Information Processing, Leiden, Netherlands
     Invited Speaker: The local Hamiltonian problem - pushing the constant to its limit
05/04
UC Davis Statistics Colloquium, Davis, CA
     Invited Colloquium Speaker: Quantum Walks - An Approach to Quantum Computing
04/04
Berkeley Mathematics Department Colloquium, UC Berkeley
     Invited Colloquium Speaker: Quantum Computation and the Symmetric Group
03/04
MIT Special EECS Seminar, MIT, Boston
    Invited Seminar Speaker: Quantum Walks - An Aproach to Quantum Computing
01/04
Seventh Workshop on Quantum Information Processing 2003, Perimeter Institute, Waterloo
    Invited Talk: Symmetric Group Problems
01/04
RESQ Workshop, Technical University of Barcelona, Spain
    Talk:  Symmetric Group Problems
08/03
RANDOM'03, Princeton University
    Talk: Quantum Walks Hit Exponentially Faster
05/03
RESQ Workshop, Max-Planck-Institute, Munich, Germany
    Talk:  New tools for Quantum Computation
04/03
 Cambridge-MIT Seminar, MIT, Boston
    Invited Seminar Speaker:  New tools for Quantum computation
01/03
 Inhomogeneous Random Systems 2003, Cergy-Pontoise, France
    Invited Talk: Quantum Random Walks
12/02
Sixth Workshop on Quantum Information Processing 2002, MSRI, Berkeley
    Talk: Quantum Random Walks Hit Exponentially Faster
08-09/02
Combinatorial & Computational Aspects of Statistical Physics and Random Graphs & Structures , Isaac-Newton Institute, Cambridge, UK
    Invited Talk: Quantum Random Walks
07/02
International Conference on Quantum Information: Conceptual Foundations, Developments and Perspectives, Oviedo, Spain
     Invited Talk: Quantum Random Walks 
04/02
Workshop on Decoherence in Quantum Information Processing, Durham, UK
     Invited Talk: Quantum Walks Hit Exponentially Faster
04/02
RAND-APX'02 Workshop, Paris, France
     Invited Talk: Quantum Random Walks
03/02
EURESCO Conference on Quantum Information: Quantum Entanglement, San Feliu de Guixols, Costa Brava, Spain
    Talk: How robust are entangled states?
03/02
SQUINT Meeting, Bolder, Colorado
   Invited Talk: Encoded Universality-An Overview
11/01
Colloque: ``Information Quantique'', IHP, Paris
  Invited Talk: Calcul universel quantique code
01/01
QIP 2001, Amsterdam, Netherlands
   Talk: Separability and Disorder
12/00 Program "Quantum Measurement Theory and Quantum Information", Erwin-Schroedinger-Institut, Vienna, Austria
   Invited Talk: News on Entanglement and Quantum Random Walks
7/00
Workshop on Quantum Information, Benasque, Spain
   Invited Talk: Quantum drunk - Quantum Random Walks
6/00
Think-tank on Computer Science Aspects, Torino, Italy
  Invited Talk: Decoherence Free Subsystems and the Exchange Interaction
6/00
Colloque: ``Information Quantique'', Orsay, France
   Talk: Sous-espaces sans decoherence
5/00
SQUINT Meeting, Albuquerque, New Mexico
   Poster: Optimal Cloning with Atoms is Possible
4/00
American Mathematical Society, Sectional Meeting, Lowell, MA
   Invited Talk: Universal Computation on Decoherence Free Subsystems
2/00
Workshop on Quantum Information, Technion, Haifa, Israel
   Invited Talk: Universal Computation on DFS and Asymptotic Universality
7/99
Summer School on Quantum Computation, Torino, Italy
   Talk: Multiparty Entanglement and Cryptography
7/99
Workshop on Complexity, Computation and the Physics of Information, Cambridge, England
   Talk: Universal Computation on Decoherence Free Subspaces
   Poster: Multipartite Entanglement
4/99
SQUINT Meeting, Albuquerque, New Mexico
    Poster: Multipartite Entanglement and its Applications to Cryptography


Visits and Short Stays:
 

06-07/05
CWI, University of Amsterdam
     collaborative visit
02-04/05
Mathematical Sciences Research Institute & ICSI, Berkeley, USA
     member of the MSRI program on Randomized Algorithms and visitor at ICSI
04/04 & 12/04
           & 08/05
Hebrew University and University of Tel Aviv
     collaborative visits
Fall 03-Spring 04
University of California, Berkeley
     extended visit
05/03
Perimeter Institute, Waterloo, Canada
     visit to  quantum information group
05/03
Massachussetts Institute of Technology, Boston
     visit to quantum information groups
02/03 National University of Singapore
    visiting the Quantum Information group
09/02-12/02 Mathematical Sciences Research Institute, Berkeley, USA
    member of the program "Quantum Computation"
05/01 Imperial College, London, UK
    visiting the group of Prof. Peter Knight
05/01 & 04/02 University of Oxford, Clarendon Lab, UK
    visiting the group of Prof. Artur Ekert
03/01 California Institute of Technology
   visiting the group of Prof. John Preskill
12/00 Erwin-Schroedinger-Institut, Vienna, Austria
   visit (program "Quantum Measurement Theory and Quantum Information")
08/00 University of Queensland, Brisbane, Australia
   visit to the Centre for Quantum Computation (Prof. G. Milburn)
03/00 University of Vienna, Austria
   Collaboration with the group of Prof. A. Zeilinger
12/99 IBM - Watson Research Centre, Yorktown
   Collaboration with the group of Ch. Bennett
11/98-1/99  California Institute of Technology
   visiting the group of Prof. John Preskill