Talks and conference organization
2024
Seminar (Hsinchu, Taiwan, October 15, 2024) [Invited]
Recent Progress in Many-Body Theories (RPMBT-22) (Tsukuba, September 23-27, 2024) [Keynote]
ITP seminar (Cologne, Germany, May 15, 2024) [Invited]
20th RQC Colloquium (RIKEN@Wako, February 14, 2024) [Invited]
2023
International Network on Quantum Annealing (INQA) (Innsbruck, Austria, November 6-8, 2023) [Invited]
The 29th Solvay Conference on Physics “The structure and dynamics of disordered systems"(Brussels, Belgium, October 19-21, 2023) [Invited]
East Asia Joint Seminars on Statistical Physics (EAJSSP) 2023(Tokyo, October 11-13, 2023) [Organizer]
7th Chinese Conference on Statistical Physics and Complex Systems (Hybrid, Kunming, China, July 26-28, 2023) [Invited]
Adiabatic Quantum Computing Conference AQC2023 (Albuquerque, USA, June 19-23, 2023) [Steering Committee]
Conference to celebrate the 25th Anniversary of the John von Neumann Institute for Computing (Cologne, Germany, April 21, 2023) [Keynote]
Seminar at the Institute of Physics, University of Cologne (Cologne, Germany, April 19, 2023) [Invited]
Interdisciplinary Science Conference in Okinawa (OIST, Okinawa, February 27- March 3, 2023) [Invited]
Qubits2023(Virtual + Miami Beach, January 17- 19, 2023) [Invited]
2022
Seminar at International Network on Quantum Annelaing (Virtual, August 9, 2022) [Invited]
Q2B Tokyo (Tokyo, July 14, 2022) [Invited]
Adiabatic Quantum Computing Conference AQC2022 (ICTP Trieste, June 20-24, 2022) [Steering Committee]
Inaugural symposium of Quantum Computing Unit at Tokyo Tech (Virtual, June 16, 2022) [Organizer]
2021
International Symposium on Trans-scale Quantum Science (Virtual, October 25-29, 2021) [Invited]
Quantum Many-Body Days 2021 (Virtual, September 7-28, 2021) [Invited]
Adiabatic Quantum Computing Conference AQC2021 (Virtual, hosted by Tokyo Tech, June 22-25, 2021) [Organizer]
2020
Conference on Quantum Annealing /AQC2020 (Virtual hosted by ICTP Trieste, October 5-6, 2020) [Keynote] [Steering Committee]
Meeting on Quantum Annealing of the LHZ Architecture and Related Topics (Tokyo, February 7, 2020) [Organizer]
2019
QEO Review Meeting (Los Angeles, USA, December 9-10, 2019)
Tokyo Tech - IIT Guwahati Joint Workshop (Tokyo Tech, November 11-12, 2019) [Invited]
International Workshop on Innovative Algorithms for Big Data (Kyoto, October 31-November 1, 2019) [Invited]
Selected Topics in Quantum Computation and Quantum Information (Tokyo, October 28-29, 2019) [Invited]
East Asia Joint Seminars on Statistical Physics 2019 (Chinese Academy of Science, Beijing, China, October 22-25, 2019) [Invited] [Organizer]
Japan-Netherlands Quantum Conference (Delft, The Netherlands, September 16-18, 2019) [Invited]
SAIT Forum (Korea, August, 2019) [Invited]
Adiabatic Quantum Computing Conference AQC2019 (Innsbruck, Austria, June 24-27, 2019) [Steering Committee]
ICT Research Initiative toward Smart Society (Shenzhen, China, May 23, 2019) [Invited]
Seminar at D-Wave Systems (Burnaby, Canada, April 12, 2019)
Seminar at 1QBit (Vancouver, Canada, April 11, 2019)
RIKEN-Berkeley Workshop on Quantum Information Science (Bekeley, USA, January 28- February 1, 2019) [Invited]
QEO Technical Exchange Meeting (San Diego, USA, January 7, 2019)
2018
Quantum Computing Materials Challenges(IPAM UCLA, Los Angeles, USA, 27-29 August 2018) [Invited]
QEO Internal Review Meeting (NASA Ames Research Center, Moffett Field, California, USA, 28-29 June 2018)
Adiabatic Quantum Computing Conference AQC2018 (NASA Ames Research Center, Moffett Field, California, USA, 25-28 June 2018) [Steering Committee]
Qubits Europe: D-Wave Users Conference (Munich, Germany, 10-12 April 2018) [Invited]
Aspen Winter Conference on Advances in Quantum Algorithms and Computation (Aspen Center for Physics, Aspen, Colorado, USA, 11-17 March 2018) [Invited] "Exponential speedup of quantum annealing by inhomogeneous driving of the transverse field"
Mini-symposium on “Disruptive Technologies for Future Science and Engineering” at the SIAM Conference on Parallel Processing for Scientific Computing (Waseda University, Tokyo, 7-10 March, 2018)[Invited]
2017
QEO Kickoff meeting (San Diego, USA, 25-27 October 2017) "Error supression by a finite value of the transverse field", "Sequential control of the transverse field"
The 4th East Asia Joint Seminar on Statistical Physics (EAJSSP) (Kaoshiung, Taiwan, 17-20 October 2017) [Organizer]
Tokyo Tech - SBU Meeting on Interdisciplinary Theoretical and Computational Physical Sciences (Tokyo Tech, 4-6 October 2017) [Invited] "Developments in Quantum annealing""
Workshop on Post-Quantum Cryptography and Quantum Computation (Chongqing Univ, China, 3 August 2017) [Invited]
iTHEMS Colloquim (RIKEN, 27January 2017) [Invited] "Quantum computing by quantum annealing"
3rd Asian Post-Quantum Cryptography Forum (Tokyo Tech, 22-23 March 2017) [Invited] "Quantum computing by quantum annealing"
Sixth International Conference on Adiabatic Quantum Computing (AQC2017) (Tokyo, 26-29 June 2017)[Invited][Organizer]
2016
Advancing Innovation: Japan-Canada, Ontario Dialogue for Strategic Collaboration (Tokyo Tech, 30 Novemer 2016) [Invited] [Organizer] "Theory of quantum computing from Tokyo Tech and its commercialization by a Canadian venture"
2016 International Conference on Solid State Devices and Materials (ssdm2016) (Tsukuba International Congress Center, 26-29 September 2016) [Invited] (Panelist of Ramp Session)
Workshop on the theory and practice of adiabatic quantum computers and quantum simulation (ICTP, Trieste, Italy, 22-26 Augst, 2016) [Organizer]
Fifth International Conference on Adiabatic Quantum Computing (AQC2016) (Google LA, Venice, California, USA, 27-29 June 2016) [Steering Committee]
Canadian-Japanese Scientific & Cultural Exchange: Quantum Computing via Quantum Annealing (Palace Hotel and The Embassy of Canada, Tokyo, 30-31 May 2016) [Invited] "Quantum annealing: Messages to and from Japan", "Quantum annealing: A Biased Perspective"
APS March Meeting (Baltimore Convention Center, USA, 14-18 March 2016) [Invited] "Mean-field analysis of quantum annealing with XX-type terms"
Statistical Physics of Disordered Systems and Its Applications (SPDSA2016), (Sendai, 27-28 January 2016) [Invited] "Effects of thermal noise on the performance of quantum annealing"
YITP Workshop on Quantum Information Physics (YQIP2016) (Kyoto University, 5-8 January 2016) [Invited] "Error tolerance of quantum annealing"
2015
New-Generation Computers: Quantum Annealing and Coherent Computing (Stanford University, USA, 10-11 December 2015) [Invited] "Bayesian inference of the Ising model ground state out of noisy data"
Physics Department Colloquium (University of Southern California, USA, 7 December 2015) [Invited] "Quantum annealing: Where did it come from and where is it now?"
East Asia Joint Seminars on Statistical Physics 2015 (KIAS, Seoul, Korea, 14-17 October 2015)[Invited][Organizer] "Quantum annealing and quantum phase transitions"
Yukawa International Seminar 2015 (YKIS2015) (Kyoto University, 17-19 August 2015) [Invited] "Relation between classical stochastic dynamics and quantum annealing"
New Horizons of Quantum and Classical Information 2015 (NHQCI2015) (Tokyo Tech, 3-5 August 2015) [Organizer] "Quantum annealing: A biased perspective"
Fourth International Conference on Adiabatic Quantum Computing (AQC2015) (ETH Zurich, Switzerland, 29 June - 2 July 2015) [Steering Committee]
2014
Statphys-KolkataVIII (S. N. Bose National Centre for Basic Sciences, Kolkata, India, 1 - 5 December 2014) [Invited] "Relation of classical non-equilibrium dynamics and quantum annealing"
Physics of quantum information processing (Osaka University, Osaka, Japan, 25- 26 August 2014) [Invited] "Theory and appilcatoins of quantum annealing"
International Workshop on Quantum LDPC Codes (Perimeter Institute, Waterloo, Canada, 14 - 16 July 2014) [Invited] "Overview of the theory of spin glasses and its applications to quantum codes "
Third International Workshop on Adiabatic Quantum Computing (AQC 2014) (University of Southern California, Los Angeles, USA, 11 - 14 June 2014) [Invited] "Is quantum annealing equivalent to simulated annealing?"
Advances on Nonequlibrium Statistical Mechanics (Galileo Galilei Institute, Florence, Italy, 4 May - 5 July 2014) [Invited] "Relation between classical dynamics and quantum Hamiltonians"
Google Tech Talk (Google Los Angeles, USA, 28 March 2014) [Invited] "Theory of quantum annealing" Youtube video
Seminar at NASA Ames Research Center (Mountain View, California, USA, 27 March 2014) [Invited] "Theory of quantum annealing"
2013
East Asia Joint Seminars on Statistical Physics (Kyoto, 21-24 October 2013) [Organizer]
STATPHYS 25, The 25th International Conference on Statistical Physics (Seoul, Korea, 22-26 July 2013) [Steering Committee Member]
Diversity & Complexity: Realm of Today’s Statistical Physics (Kolkata, India, 14-17 January 2013) [Advisory Committee Member]
2012
Quantum Information meets Statistical Mechanics (QISM 2012) (Innsbruck, Austria, 22-25 September 2012) [Invited]"Quantum annealing: Basics and beyond"
Workshop on equilibrium and out-of-equilibrium properties of systems with long-range interactions (Lyon, France 27-31 August 2012)"Ensemble inequivalence in disordered spin systems" [Invited]
Nonequilibrium statistical physics of complex systems (Seoul, Korea, 3-6 July 2012) "Multi-dimensional quantum paths to optimization problems"[Invited]
Workshop on Disordered Quantum Systems (Paris, France, 23 April 2012 - 20 July 2012) "Quantum annealing -- Convergence theorems and the choice of quantum terms" [Invited]
East Asia Joint Seminars on Statistical Physics 2012 (Suzhou, China, 18-20 March 2012) [Organizer]
2011
Unifying Concepts in Glass Physics V (Paris, France, 12-16 December 2011)"Ensemble inequivalence in disordered spin systems"[Invited]
Fall Meeting of the Chinese Physical Society (Hangzhou, China , 15-18 September 2011) "Equivalence and inequivalence of canonical and microcanonical ensembles."[Invited]
DMQS2011 (Dynamics and Manipulations of Quantum Systems) (Tokyo, 14-16 February 2011) [Organizer] Quantum annealing: To be adiabatic or not. That is the question." [Invited]
nanoPHYS11 (International Symposium on Nanoscience and Quantum Physics 2011) (Tokyo, 26-28 January 2010) [Organizer] M. Ohzeki and H. Nishimori "Nonequilibrium work distribution in quantum annealing" Proceedings J. Phys. Conf. Ser. 302 (2011) 012047 IOP
2010
FSGT2010 (International Meeting on Frontiers in Spin Glass Theory) (Tokyo, 17-18 November 2010) [Organizer]
STATPHYS 24, The 24th International Conference on Statistical Physics (Cairns, Australia, 19-23 July 2010)
"Quantum annealing"[Plenary]
StatPhysHK: Complexity, Computation and Information, A satellite of STATPHYS 24 (Hong Kong, China, 13-16 July 2010) [Organizer]
"Lee-Yang zeros for the spin glass on the Bethe lattice"[Invited]
2009
Conference on Computational Physics 2009 (Kaohsiung, Taiwan, 15-19 December 2009)
M. Ohzeki and H. Nishimori "Quantum annealing with Jarzynski equality" Computer Physics Communications 182 (2011) 257 Elsevier
Statistical Mechanics on Random Structures (Banff, Canada, 15-20 November 2009) [Invited] "Absence of a spin glass transition in two dimensions"
Trajectories and Friends, Symposium to celebrate the 60th birthday of Professor A Nihat Berker (Cambridge, USA, 17 October 2009)
"Spin glasses on hierarchical lattices: the best platform to test new ideas" [Invited]
Proceedings (H. Nishimori and M. Ohzeki, Multicrical point of spin glasses) Physica A 389 (2010) 2907-2910 Elsevier
Minerva International Workshop on "The Science of Complexity" (Eilat, Israel, 29 March - 1 April 2009) [Invited]
"Quantum annealing: degenerate case"
APFA7 (Applications of Physics in Financial Analysis) (Tokyo, 1-5 March 2009) [Organizer]
nanoPHYS09 (International Symposium on Nanoscience and Quantum Physics) (Tokyo, 23-25 February 2009) [Organizer]
"Quantum annealing: Optimization by quantum mechanics"
M. Ohzeki and H. Nishimori "Non-equilibrium relations in spin glasses" Proceedings
T. Obuchi, Y. Kabashima, H. Nishimori and M. Ohzeki "Zero-temperature complex replica zeros of the +/-J Ising spin glass on mean-field systems and beyond" Proceedings Physica E Elsevier
Quantum Phase Transition and Dynamics: Quenching, Annealing and Quantum computation (Kolkata, India, 3-7 Fero
2008
MBQEC (Multicritical Behaviour of Spin Glasses and Quantum Error Correcting Codes) (Tokyo, 17-19 November 2008) [Invited][Organizer]
"Toric code and the multicritical point of spin glasses: A short review"
DMQS2008 (Dynamics and Manipulations of Quantum Systems) (Tokyo, 20-22 October 2008) [Invited][Organizer]
"Quantum annealing"
JPSJ Online—News and Comments (10 October 2008)
"Measuring very rare events"
IW-SMI 2008 (International Workshop on Statistical Mechanical Informatics) (Sendai, 14-17 September 2008) [Invited] [Organizer]
"Quantum annealing for problems with ground-state degeneracy" Proceedings J. Phys.: Conference Series 143(2009) 012003 IOP
Seminar at SISSA (Trieste, Italy, 7 March 2008)
"Griffiths singularities in finite-dimensional spin glasses"
A Scientific Day in Honour of Nicolas Sourlas (Paris, France, 6 June 2008) [Invited]
"Lee-Yang zeros and Griffiths singularities in 2d and 3d spin glasses"
Seminar at Université Paris-Sud (Orsay, France, 9 June 2008)
"Lee-Yang zeros and Griffiths singularities in 2d and 3d spin glasses"
YEP 2008 (Young European Probabilists Workshop) (Eindhoven, The Netherlands, 10-14 March 2008) [Invited]
"Quantum annealing"
2007
IW-SMI 2007 (International Workshop on Statistical Mechanical Informatics) (Kyoto, 16-19 September 2007) [Invited][Organizer]
"Mathematical Aspects of Quantum Annealing" Proceedings J. Phys.: Conference Series 95 (2008) 012021 IOP
K. Hukushima, Y. Kabashima, H. Nishimori and T. Tanaka "Preface" J. Phys.: Conference Series 95 (2008) 011011 IOP
Seminar at Koc University (Istanbul, Turkey, 4 September 2007)
"Quantum annealing: Optimization by quantum mechanics"
"Viewing the World through Spin Glasses" in Honour of Professor David Sherrington (Oxford, UK, 31 August - 1 September 2007) [Invited][Organizer]
J. Phys. A.: Math. and Theor. 32 (2008) 32301 Preface to the Special Issue of J. Phys. A
STATPHYS 23 (The 23rd International Conference on Statistical Physics) (Genoa, Italy, 9-13 July 2007) [Steering Committee Member]
"Convergence properties of quantum annealing"
ICMAT2007 (International Conference on Materials for Advanced Technologies) (Singapore, 1-6 July 2007) [Invited]
"Quantum Annealing : Optimization by quantum mechanics"
Statistical Physics and its applications to complex problems in communication (Eilat, Israel, 11-15 March 2007) [Invited][Organizer]
"Convergence theorem of quantum annealing"
Second International Symposium on Nanometer-scale Quantum Physics nanoPHYS'07 (Tokyo, 24-26 January 2007) [Organizer]
S. Suzuki and H. Nishimori "Quantum Ferromagnetic Annealing" Proceedings Physica E 40 (2007) 367 Elsevier
Ramanujan Lecture, Saha Institute for Nuclear Physics (as a part of STATPHYS-KOLKATA VI) (Kolkata, India, 5-9 January 2007) [Invited]
"Spin glasses and information" Proceedings Physica A 384 (2007) 94-99 Elsevier
STATPHYS-KOLKATA VI, (Kolkata, India, 5-9 January 2007) [Invited]
"Quantum Annealing : Optimization by quantum mechanics"
S. Suzuki and H. Nishimori "Quantum annealing by ferromagnetic interactions" Proceedings Physica A 384 (2007) 137-140 Elsevier
2006
ICTP/SISSA joint lecture, ICTP and SISSA (Trieste, Italy, June 2006) [Invited]
"Possibly exact threshold for toric code of quantum memory"
Seminar at Department of Mathematics, University of Bologna (Bologna, Italy, February 2006)
"Symmetries and their consequences in models of spin glasses"
2005
Seminar at JST-ERATO Quantum Computation and Information Project Team (Tokyo, December 2005)
"Torus code and the statistical mechanics of spin glasses"
Statistical Physics of Disordered Systems and Its Applications: SPDSA 2005 (Rome, Italy, September 2005) [Invited][Organizer]
"Existence proof of duality relations in spin glass models"
The Third 21COE Symposium: Astrophysics as Interdisciplinary Science (Tokyo, September 2005)
Y. Saika and H. Nishimori, "Statistical-mechanical approaches to the problem of phase retrieval
in adaptive optics in astronomy" J. Phys: Conference Series 31 (2006) 169-170 IOP
Mathematical Physics of Spin Glasses (Cortona, Italy, June/July 2005) [Invited]
"Duality in spin glasses" cond-mat/0602453 J. Stat. Phys 126 (2007) 977-986 Springer
(also listed in the page of original papers)
EU network meeting: Statistical Physics of Glasses, Spin Glasses, Information Processing and Combinatorial Optimization (Les Houches, France, January/February 2005) [Invited]
"Quantum error correction and spin glasses"
First International Symposium on Nanometer-scale Quantum Physics (Tokyo, January 2005)
K. Takeda, T. Sasamoto and H. Nishimori, "Finite-dimensional spin glass and quantum error correcting code"
Physica E 29 (2005) 720-724 doi:10.1016/j.physe.2005.06.061
2004
The 12th International Conference on Recent Progress in Many-body Theories (Santa Fe, US, August 2004) [Invited]
H. Nishimori, K. Takeda and T. Sasamoto, "Possibly exact solution for the multicritical point of finite-dimensional spin glasses"
Int. J. Mod. Phys. B 20 (2006) 2805 doi:10.1142/S021797920603531X
In "Series in Advances in Quantum Many Body Theory - Vol. 9", Ed. J. A. Carlson and G. Ortiz, World Scientific, 2006.
International Conference on Statistical Physics of Quantum Systems SPQS (Sendai, July 2004) [Invited]
K. Takeda and H. Nishimori, "Duality of the random model and quantum toric code"
J. Phys. Soc. Jpn. 74 (2005) Suppl. A 115-118 JPSJ-PDF
Statistical Physics of Disordered Systems and Its Applications SPDSA 2004 (Hayama, July 2004) [Invited][Organizer]
H. Yano and H. Nishimori, "Ground state entanglement in spin systems" Prog. Theor. Phys. Supplement No. 157 (2005) 164-167 PTP
T. Sasamto and H. Nishimori, "Phase structure of the random Zq model in 2d"ibid 82-85 PTP
T. Hamasaki and H. Nishimori, "Exact Ground-State Energies of the Random-Field Ising Chain and Ladder "ibid 120-123 PTP
S. Morita, H. Nishimori and P. Contucci, "Griffiths inequalities in the Nishimori line"ibid 73-76 PTP
K. Takeda and H. Nishimori, "Duality of the random model and the quantum toric code" ibid 237-240 PTP
Y. Saika and H. Nishimori, "Statistical-Mechanical Approaches to the Problem of Phase Retrieval by the Q-Ising Model " ibid 292-295 PTP
The 22nd International Conference on Statistical Physics (STATPHYS22) (Bangalore, India, July 2004) [Organizer]
"Dualities in finite-dimensional Ising spin glasses"
2003
Slow Dynamics in Complex Systems (Sendai, November 2003)
Y. Saika and H. Nishimori, "Statistical Mechanics of Phase Unwrapping Problem by the Q-Ising Model"
AIP Conference Proceedings 708, AIP (2004). 406-409 PDF (*) Abstract page: doi:10.1063/1.1764186
Preface of the Special Issue 'Statistical Physics of Disordered Systems: From real materials to optimization and codes',
J. Phys. A 36 (2003) No. 43. IOPP
Hayashibara Forum "Physics and Information", (Okayama, July 2003) [Invited] [Organizer]
"Multicritical point of the two-dimensional spin glass ---Quantum Information and statistical mechanics---"
Seminar at University of Paris VI (March 2003, Paris)
"Duality, Symmetry, and Multicritical Point of 2d SG"
Seminar at Ecole Normale Superieure (March 2003, Paris)
"Duality, Symmetry, and Multicritical Point of 2d SG"
2002
Lattice models and complex systems (May 2002, Taipei and Taichung, Taiwan) [Invited]
"Duality and Multicritical Point in 2d spin glasses"Physica A 321 (2003) 108-113 doi:10.1016/S0378-4371(02)01791-0
"Absence of the effects of vortices in the gauge glass"Physica A 321 (2003) 114-123doi:10.1016/S0378-4371(03)00023-2
Scientific Meeting of Board Members of J. Phys. A, University of York (April 2002, York, UK) [Invited]
"Multicritical Point in 2d spin glasses"
Seminar at Mathematics Department, King's College London (February 2002, London, UK)
"Duality and Multicritical Point in 2d spin glasses"
Theoretical Physics Forum, Oxford University (January 2002, Oxford, UK) [Invited]
"Duality and Multicritical Point in 2d spin glasses"
2001
Horizons in Complex Systems (December 2001, Messina, Italy) [Invited]
"Location of the multicritical point of 2d spin glasses"
International Symposium on Slow Dynamical Processes in Nature (November 2001, Seoul, Korea) [Invited]
"Complex and non-complex phase structures in models of spin glasses and information processing"
Physica A 315 (2002) 243-254.doi:10.1016/S0378-4371(02)01228-1
STATPHYS 21 (21st International Conference on Statistical Physics) (July 2001, Cancun, Mexico) [Invited]
"Exact results on spin glass models"
Physica A 306 (2002) 68-75. doi:10.1016/S0378-4371(02)00486-7
2000
International meeting on statistical-mechanical approaches to intelligent information processing, (December 2000, Sendai, Japan). [Invited]
"Statistical mechanics as a source of ideas for stochastic information processing"
International Meeting on Disordered and Complex Systems (July 2000, London, UK) [Invited]
"Absence of RSB in a region of the phase diagram of the Ising spin glass" Published in 'Disordered and Complex Systems' (Eds. P. Sollich, A.C.C. Coolen, L.P. Hughston and R. F. Streater)
AIP Conference Proceedings 553, AIP (2001) 67-72 . Abstract page: doi:10.1063/1.1358165
1999
International Meeting: Frontiers in Magnetism (October 1999, Kyoto, Japan) [Invited]
"Spin states and entropy of Ising spin glasses"
Published in 'Frontiers in Magnetism' (Eds. Y. Miyako, H. Takayama, and S. Miyashita)
J. Phys. Soc. Jpn. 69 (2000) Supplement A, 160-164 JPSJ