研究活動

研究講演

招待講演

"Noise-induced degeneration in online learning," The 7th International Conference on Random Dynamical Systems, Hanoi, Vietnam (June, 2022)
“Stochastic chaos in random dynamical systems and its Applications,” Mathematical Science of Complex Systems: Physics, Chemistry, Biology, Information and Chaos. Hokkaido University, Japan (March 2021)
“Stochastic bifurcation in a turbulent swirling flow” Mathematical methods for the studies of flow, shape, and dynamics, RIMS Kyoto, Japan　(August 2021)
“Stochastic bifurcation in a turbulent swirling flow”, invited talk, CRITICS workshop 2020, Imperial College, London, UK, (August, 2020).
“Anomalous diffusion in random dynamical systems”, The Mathematics of Climate and Environment, IHP, Paris, France, (October, 2019).
“Stochastic bifurcation in a turbulent swirling flow”, invited talk, LML summer school, ICTP, Trieste, Italy, (July, 2019).
“Anomalous diffusion in random dynamical systems,” invited talk, DCP19, CNR, Pisa, Italy, (July, 2019).
“Stochastic bifurcation in a turbulent swirling flow”, contributed talk, Workshop on data analysis and machine learning in dynamical systems, University of Tokyo, Tokyo, (May, 2019).
“Stochastic bifurcation in a turbulent swirling flow”, invited talk, CRITICS workshop, Imperial College London, London, (March, 2019).
“Stochastic chaos in a turbulent swirling flow”, invited talk, LML workshop, Imperial College London, London, (March, 2019).
“Stochastic bifurcation in random dynamical systems and its application to modeling atmospheric jet dynamics”, invited talk, “Dynamical Systems and Climate Dynamics,” LSCE/CNRS-Saclay, Saclay, France (October, 2018).
“Stochastic bifurcation in random dynamical systems and its application to modeling atmospheric jet dynamics”, invited talk, Dynamics Days Europe, Loughborough, UK (September, 2018).
“Stochastic chaos in a turbulent swirling flow”, invited lecture, LML summer school, London Mathematical Laboratory, London, UK (August, 2018).
“Stochastic chaos in a turbulent swirling flow”, invited lecture, CIMPA spring school, Vietnam Academy of Science and Technology, Hanoi, Vietnam (March, 2018).
“Stochastic chaos in a turbulent swirling flow”, Lorentz Center Workshop on Random Dynamical Systems, Leiden, Netherlands, (December, 2017).
“Anomalous diffusion and intermittency in random dynamical systems,” Statistical and nonlinear physics seminar at CNRS, Saclay, France, (November, 2017).
“Anomalous diffusion and intermittency in random dynamical systems ,” Marseille neuroscience workshop, Marseille, France, (November, 2017).
“Anomalous diffusion and intermittency in random dynamical systems,” ANOCOS, Tempare, Finland, (August, 2017).
"Stochastic chaos in a turbulent swirling flow," RIMS workshop on dynamical systems theory and its applications, Kyoto, Japan, (June, 2017).
"Noise-induced bifurcations in a random logistic map," Kyoto Dynamics Days: Random Dynamical Systems Theory and Its Applications, Kyoto University, Kyoto, Japan, (April. 2017).
"Anomalous diffusion and intermittency in random dynamical systems," Kyoto Dynamics Days: Random Dynamical Systems Theory and Its Applications, Kyoto University, Kyoto, Japan, (April. 2017).
"Stochastic bifurcation in random logistic maps," invited talk, Applications of statical-mechanics and dynamical systems to climate, LSCE, CEA, CNRS, Saclay, France (Nov. 2016).
"Anomalous diffusion in random dynamical systems," invited talk, Dynamics Days Latin America and the Caribbean, University of Puebla, Puebla, Mexico, (Oct. 2016).
"Anomalous diffusion in random dynamical systems," Hokkaido-Pisa Summer Institute, University of Pisa, Pisa, Italy (Sept. 2016).
"Anomalous diffusion in random dynamical systems," Workshop on Anomalous Dynamics and Weak ergodicity breaking, University of Warwick, Coventry, UK, (Aug. 2016).
"Neural Field dynamics for growing brains," AAAS panel presentation, AAAS, Washington DC, USA, (Feb. 2016).
"Robust computation in neural field," AFCA keynote talk, CANDAR, Sapporo, Japan (Dec. 2015).
"Asymmetric game dynamics and its applications," SAET, Waseda University, Tokyo, Japan (Aug. 2014).
"Random dynamical systems approaches to noise-induced phenomena," Workshop on Computation and Computability in Dynamics, Trieste, Italy (July 2014).
"Random dynamical systems approaches to noise-induced phenomena," Loughborough University, Leicestershire, UK, (May 2014).
"Random dynamical systems approaches to noise-induced phenomena," Mini Conference on Glassy and Complex Systems, King's College, London, UK, (May 2014).
"Random dynamical systems approaches to noise-induced phenomena," Dynamical Systems, Fluid Dynamics and Lagrangian Coherent Structures, Hokkaido University, Japan, (Mar. 2014)
"Random dynamical systems approaches to noise-induced phenomena," Random dynamical systems and its applications, RIMS, Kyoto, Japan, (Feb. 2014).
"Random basin in dice roll," Random dynamical systems and its applications, RIMS, Kyoto, Japan, (Feb. 2014).
"Stability and diversity in collective adaptation," nonlinear physics seminar, University of Manchester, UK, (Feb. 2014).
"Real number computation and dynamical systems," invited talk, RIMS, Kyoto, Japan, (Jan. 2014).
"Asymmetric game dynamics and its applications," invited seminar, University of Bristol, Bristol, UK, (Dec. 2013).
"Asymmetric game dynamics and its applications," invited seminar, King's College London, UK, (Nov. 2013).
"Noise-induced phenomena in one dimensional maps," LML seminar, London Mathematical Laboratory, London, UK, (May 2013).
"Randomness in noised dynamical systems," invited talk, Ergodic theory, information theory, and computer sciences, Osaka University, Osaka, Japan, (Mar. 2013).
"Asymmetric game dynamics and its applications," invited lecture, CICS, Universidad del Desarrollo, Santiago, Chile, (Oct. 2012).
"Random Dynamics from a Time Series of Physiological Rhythms," invited talk, NOLTA 2012, Palma de Majorca, Spain, (Oct. 2012).
"Noise-induced phenomena in one dimensional maps," DynamIC seminar, Imperial College-London, London, UK, (Oct. 2012).
"Noise-induced phenomena in one dimensional maps," Complex systems group seminar, Imperial College-London, London, UK, (Oct. 2012).
"Random dynamical systems approaches to noise-induced phenomena," Summer Workshop 2012 - Artificial Minds and Real Brains, Hokkaido University, Sapporo, Japan, (Aug. 2012).
"Noise-induced phenomena in one dimensional maps," invited seminar, Kyoto University, Kyoto, Japan, (Jul. 2012).
"Noise-induced phenomena in one dimensional maps," invited seminar, Soongsil University, Seoul, Korea, (Jun. 2012).
"Noise-induced phenomena and their applications," invited talk, Workshop on Open dynamical systems: Ergodic Theory, Probabilistic Methods and Applications, BIRS, Banff, Canada, (Apr. 2012).
"Noise-induced phenomena and their applications: interaction between deterministic chaos and stochastic randomness," invited talk, International workshop on Anomalous Statistics, Generalized Entropies, and Information Geometry, Nara Women's Univeristy, Nara, Japan, (Mar. 2012).
"Noise-induced phenomena and their applications: interaction between deterministic chaos and stochastic randomness," invited talk, Nonlinear Science Colloquium, Waseda Univeristy, Japan, (Jan. 2012).
"Random nonlinear phenomena and its applications," invited talk, Yakushima workshop, Kagoshima, Japan, (2011).
"Random dynamics from time-series and its applications," invited talk, NOLTA2011, Kobe, Japan, (2011).
"Noise-induced phenomena in one dimensional maps," invited talk, KiDS seminar, Kyoto, Japan, (2011).
"Robust Computation in Two-dimensional Neural Field," invited talk, ICCN2011, Niseko, Japan, (2011).
"Noise-induced phenomena in one dimensional maps," invited talk, SIAM Conference on Applications of Dynamical systems, Snowbird, USA, (2011).
"Noise-induced statistical periodicity and its applications," Dynamics of Complex Systems 2011, Hokkaido University, Sapporo, Japan, (2011).
"Asymmetric game dynamics and its extensions," Game theory workshop, Nagoya University, Nagoya, Japan, (2011).
"Noise-induced phenomena in one dimensional maps," invited seminar, Queen Mary University of London, London, UK, (2011).
"Noise-induced phenomena in one dimensional maps," invited seminar, Department of Applied Mathematics at the University of Colorado at Boulder, Colorado, USA, (2011).
"Noise-induced phenomena in one dimensional maps," invited seminar, Max-Planck Institute Mathematics in the Sciences, Leipzig, Germany, (2010).
"Noise-induced phenomena in one dimensional maps," invited talk, NIMS Hot Topics Workshop on Applied Dynamical Systems "Dynamics in Network and Mathematical Neuroscience," NIMS, Daejeon, Korea, (2010).
"Noise-induced phenomena in one dimensional maps," invited talk, Symposium: Applications of complex systems, RIES, Hokkaido University, Sapporo, Japan, (2010).
"Noise-induced phenomena in one dimensional maps," invited talk, Kagoshima workshop on nonlinear and Nonequilibrium dynamics, Kagoshima University, Kagoshima, Japan, (2010).
"Noise-induced phenomena in one dimensional maps," invited talk, RIKEN Mathematical Science Workshop, Kamisuwa, Japan, (2010).
"Robust computation in activation-inhibition field," invited talk, The 9th international conference on unconventional computation, Tokyo, Japan, (2010).
"Noise-induced phenomena in one dimensional maps: hidden fragility in nonlinear dynamics," invited talk, Sapporo winter school on nonlinear science, Hokkaido, Japan, (2010).
"Noise-induced phenomena in one dimensional maps," invited seminar, University of Tokyo, Japan, (2010).
"Stability and diversity in collective adaptation," invited talk, Chaos revolution in science, technology, and society, Bali, Indonesia, (2009).
"Noise-induced phenomena in one dimensional maps," invited talk, Biology and Control, SICE, Waseda University, Tokyo, Japan, (2009).
"Noise-induced phenomena in one dimensional maps," invited talk, Behavior and Logic of Cellular Systems, RIKEN, Saitama, Japan, (2009).
"Chaos in function dynamics," invited talk, GCOE at Kobe University, Okinawa, Japan, (2009).
"Noise-induced phenomena in one dimensional maps," invited talk, Workshop: Fluctuation and Noise in Living Organisms, RIKEN, Saitama, Japan, (2009).
"Noise-induced phenomena in one dimensional maps," invited talk, Hierarchy in Life Systems, RIKEN, Saitama, Japan, (2009).
"High-dimensional chaotic dynamics in an N-person game," invited seminar, Kyushu University, Hakata, Japan, (2009).
"Random Dynamics from Time Serieses of Rotating Fluid," invited talk, Dynamics Days Asia-Pacific, Nara, Japan, (2008).
"Limit of Analog Computation," invited seminar, University of Tokyo, Tokyo, Japan, (2008).
"Random Dynamics from Time Serieses of Rotating Fluid," invited talk, Dynamics of Complex systems, Hokkaido Univeristy, Sapporo, Japan, (2008).
"Re-visiting Noise-induced Order," invited talk, Artificial Life: Half-way through, University of Tokyo, Tokyo, Japan, (2008).
"Noise-induced Phenomena in one-dimensional maps," invited seminar, ASI,RIKEN, Saitama, Japan, (2008).
"Function Dynamics: An Introductory Review," invited talk, Workshop "Nonlinear Dynamics and Informatics VII," ISM, Tokyo, Japan, (2007).
"N-person Game Dynamics," invited talk, Santa Fe Institute, Santa Fe, USA, (2007).
"Heteroclinic Cycles in N-person Game Dynamics," invited talk, Minisymposium at SIAM Conference on Application of Dynamical Systems, Snowbird, USA (2007).
"Adaptive Dynamics for Interacting Markovian Processes," invited talk, Max Planck Institute, Mathematics for the Sciences, Leipzig, Germany (2006).
"Stability and Diversity in Collective Adaptation," invited talk, Max Planck Institute, Dynamics and Self-organization, G¨ottingen, Germany (2006).
"Stability and Diversity in Collective Adaptation," invited talk, Department of Physical Chemistry Fritz Haber Institute, Berlin, Germany (2006).
"Stability and Diversity in Collective Adaptation," invited seminar at JAIST, Ishikawa, Japan (2005).
"Stability and Diversity in Collective Adaptation," invited talk, Conference on Mathematical Biology and Dynamical Systems at University of Texas, Taylor, USA (2005).
"Spatiotemporal Intermittency and its Application to Problems of Memory and Learning," invited lecture at JAIST, Ishikawa, Japan (2005).
"Stability and Diversity in Collective Adaptation," invited lecture at KAIST, Daejeon, Korea (2005).
"Dynamics of learning in Rock-Scissors-Paper game," invited lecture at KNU, Daegu, Korea (2005).
"Spatiotemporal Intermittency and its Application to Problems of Memory and Learning," invited lecture at Max Planck Institute, Leipzig, Germany (2005).
"Stability and Diversity in Collective Adaptation," invited talk at Max Planck Institute, Leipzig, Germany (2005).
"Spatiotemporal Intermittency and its Application to Problems of Memory and Learning," invited lecture at Santa Fe Institute, Santa Fe, NM, USA (2005).
"Stability and Diversity in Collective Adaptation," invited talk at Redwood Neuroscience Institute, Menlo Park, CA, USA (2004).
"Stability and Diversity in Collective Adaptation," invited seminar at University of Tokyo, Tokyo, Japan (2004).
"Stability and Diversity in Collective Adaptation," invited seminar at Santa Fe Institute, Santa Fe, NM, USA (2004).
"Dynamics of Analog Computation," invited talk, Philosophy of Computation, Kyoto, Japan (2003).
"Coupled replicator equations for the dynamics of learning in multiagent systems," invited talk, Complex Systems Studies Interdisciplinary Meeting, Kalamazoo, MI, USA (2003).
"Computation with switching map systems: Nonlinearity and computational complexity," invited seminar at Department of Applied Mathematics, Princeton University, Princeton, NJ, USA (2001).

一般講演

“Stochastic chaos in random dynamical systems,” RIMS workshop on random dynamical systems, Kyoto, (September, 2022).
“Minimal dynamical systems model of the Northern Hemisphere jet stream via embedding of climate data,” RIMS workshop on random dynamical systems, Kyoto, (September, 2022).
Ayaka Okumura, Yuzuru Sato, “Emergence of major and minor peaks in population dynamics of malaria,” Dynamics Days Europe, Aberdeen, UK, (August, 2022).
“Noise-induced degeneration in online learning,” Dynamics Days Europe, Aberdeen, UK, (August, 2022).
“Existence of multiple noise-induced transitions in Lasota-Mackey map,” Hokkaido Summer Institute on Computational Ergodic Theory, (September, 2021)
“Stochastic bifurcation in a turbulent swirling flow,” RIMS workshop on dynamical systems, Kyoto, Japan (June, 2021)
“Noise-induced degeneration in online learning,” Dynamical systems and machine learning, Imperial College London, London, UK, (September, 2020).
Anomalous diffusion in random dynamical systems,” poster presentation, Dynamics Days Digital, Amsterdam, Netherland, (August, 2020).
“Anomalous diffusion in random dynamical systems,” summer school lecture, Shiga, Japan, (October, 2019).
“Stochastic bifurcation and intermittency in random dynamical systems”, contributed talk, RIMS workshop, Kyoto University, Kyoto, (October, 2019).
“Anomalous diffusion and intermittency in random dynamical systems”, Seminar at Tokyo Metropolitan University, Tokyo, (September, 2019).
“Stochastic bifurcation in a turbulent swirling flow”, contributed talk, JSIAM, University of Tokyo, Tokyo, (September, 2019).
“Anomalous diffusion and intermittency in deterministic /random dynamical systems”, contributed talk, RIMS workshop, Kyoto University, Kyoto, (September, 2019).
“Noise-induced Statistical Periodicity in Lasota-Mackey Maps”, contributed talk, RIMS workshop, Kyoto University, Kyoto, (August, 2019).
“Stochastic bifurcation in a turbulent swirling flow”, ICIAM, Valencia, Spain, (July, 2019).
“Stochastic bifurcation in a turbulent swirling flow”, contributed talk, RIMS workshop, Kyoto University, Kyoto, (June, 2019).
“Stochastic chaos in a turbulent swirling flow”, invited lecture, LML summer school, London Mathematical Laboratory, London, UK (August, 2018).
"Stochastic chaos in a turbulent swirling flow," RIMS workshop on dynamical systems theory and its applications, Kyoto, Japan, (June, 2017).
"Anomalous diffusion and intermittency in random dynamical systems," seminar at Tokyo Metroplitan University, Tokyo, Japan, (June, 2017).
"Stochastic bifurcation in random logistic maps," SIAM Conference on Applications of Dynamical systems, Snowbird, USA, (May 2017).
"Noise-induced bifurcations in a random logistic map," Kyoto Dynamics Days: Random Dynamical Systems Theory and Its Applications, Kyoto University, Kyoto, Japan, (April. 2017).
"Anomalous diffusion and intermittency in random dynamical systems," Kyoto Dynamics Days: Random Dynamical Systems Theory and Its Applications, Kyoto University, Kyoto, Japan, (April. 2017).
"Anomalous diffusion and intermittency in random dynamical systems," contributed talk, JSIAM Conference, University of Electro-Communications, Tokyo, Japan, (March 2017).
"Stochastic bifurcation in random logistic maps," Keio Dynamics Day, Keio University, Kanagawa, Japan, (Jan. 2017).
"Anomalous diffusion in random dynamical systems," Progress in Anomalous Diffusion Studies, Keio University, Kanagawa, Japan, (Sept. 2016).
"Anomalous diffusion in random dynamical systems," CRITICS Workshop, University of Copenhagen, Copenhagen, Denmark, (Sept. 2016).
"Chaos in function dynamics," RIMS workshop on mathematics for macroeconomics, Kyoto Japan, (July, 2016).
"Noise-induced statistical periodicity and almost cyclic sets," RIMS workshop on dynamical systems, Kyoto, Japan, (June, 2016).
"Anomalous diffusion in random dynamical systems," Workshop on dynamical systems and computation, Kyoto, Japan (Mar. 2016).
"Robust pattern construction in neural field," seminar at Kyoto University, Japan, (Nov. 2015).
"Chaos in random and non-autonomous dynamical systems," invited lecture, Complex systems summer school, Yamanashi, Japan, (Jul. 2015).
"Dynamics of Neural Field," seminar at University of Tokyo, Tokyo, Japan, (Mar. 2015).
"Random Strange Attractors and Stochastic Chaos," invited talk, Dynamical Systems and Computation, Hokkaido University, Sapporo, Japan, (Feb. 2015).
"Random dynamical systems approaches to noise-induced phenomena," invited seminar, University of Sussex, Brighton, UK, (Nov. 2014).
"Random dynamical systems approaches to noise-induced phenomena," invited seminar, Max Planck Institute, Dynamics and Self-organization, Gottingen, Germany, (Oct. 2014).
"Random basin in dice roll," Workshop on Theory and Applications of Random/Non-autonomous Dynamical Systems, Imperial College London, London, UK, (Sept. 2014).
"Random dynamics from time seiries of rotating fluids," workshop on physical origins of correlated extreme events, Max Planck Institute for the Physics of Complex Systems, Dresden, Germany, (June 2014).
"Random dynamical systems approaches to noise-induced phenomena," Open statistical Physics, Open University, Milton Keynes, UK, (Mar. 2014).
"Asymmetric game dynamics and its applications," RIMS, Kyoto, Japan, (Jan. 2014).
"Patterns and computation in neural field," seminar at University of Tokyo, Tokyo, Japan, (Jan. 2014).
"Noise-induced phenomena in one-dimensional maps," Hitotsubashi University, Tokyo, Japan, (Nov. 2013).
Kota Hiratsuka and YS, "Computability and Complexity of Julia Sets," contributed talk, NOTA 2013, Santa Fe, USA, (Sept. 2013).
Kazuhiro Matsumoto and YS, "Random dynamical systems modeling for brain wave synchrony," contributed talk, NOTA 2013, Santa Fe, USA, (Sept. 2013).
Genming Wang and YS, "Partial Control of Chaos and Continuity of Safe Sets," contributed poster, Dynamics Days US, Denver, USA, (Jan. 2013).
Nobuo Matsunaga and YS, "Randomness of Perturbed Dice Throw Dynamics," contributed poster, Dynamics Days US, Denver, USA, (Jan. 2013).
"Noise-induced phenomena in one dimensional maps," contributed talk, RIMS workshop on Collective Behavior in Dynamical Systems, Kyoto University, Kyoto, Japan, (Sept. 2012).
"Noise-induced phenomena in one dimensional maps," contributed talk, Dynamical Systems: 100 years after Poincare, Gijon, Spain, (Sept. 2012).
"Noise-induced statistical periodicity in one dimensional maps," contributed talk, JPS meeting, Hyogo, Japan (Mar. 2012).
Yuko Aoki, Sho Iwamoto, and YS"Dynamics of Mcintyre-Schumacher-Woodhouse model," contributed talk, JPS meeting, Hyogo, Japan (Mar. 2012).
"Noise-induced phenomena in one dimensional maps," contributed talk, ECCS2011, Vienna, Austria, (2011).
"Noise-induced phenomena in one dimensional maps," contributed talk, WCHAOS2011, Dresden, Germany, (2011).
"Random dynamics from time-series of rotating fluid," contributed talk, The 59th National Congress of Theoretical and Applied Mechanics, Tokyo, Japan, (2010).
"Noise-induced phenomena in one dimensional maps," contributed talk, JPS meeting, Okayama, Japan, (2010).
"Noise-induced phenomena in one dimensional maps," contributed talk, Niseko workshop on mathematical biology, Niseko, Hokkaido, (2010).
"Noise-induced phenomena in one dimensional maps," contributed talk, NLP, IEICE, Kagoshima, Japan, (2009).
"Noise-induced phenomena in one dimensional maps," contributed talk, Workshop on Nonlinear Science, Kagoshima University, Kagoshima, Japan, (2009).
"Noise-induced phenomena in one dimensional maps," contributed talk, Dynamics of Complex Systems 2009, Hokkaido University, Sapporo, Japan, (2009)
"Noise-induced phenomena in one dimensional maps," contributed talk, From Hyperbolic dynamics to dynamics with large degrees of freedom, RIMS, Kyoto, Japan, (2009).
"Random Dynamics from Time Serieses of Rotating Fluid," contributed talk, JSIAM Conference, Univerisity of Tokyo, Tokyo, Japan, (2008).
"Stability and Diversity in Collective Adaptation," contributed poster at Isaac Newton Institute, Cambridge, England (2005).
"Stability and Diversity in Collective Adaptation," contributed poster, Arizona Days at Los Alamos National Laboratory, Los Alamos, NM, USA (2004).
"Dynamics of Learning and Flows of Information in Collectives," invited seminar at Theoretical Biology Group , University Utrecht, Utrecht, Netherland (2003).
"Dynamics of Learning and Flows of Information in Collectives," contributed poster, Dynamics Days Europe XXIII, Mallorca, Spain (2003).
"Dynamics of coupled replicator equations," contributed poster, Dynamics Days Europe XXII, Heiderberg, Germany (2002).
"Coupled replicator equations for the dynamics of learning in multiagent systems," invited seminar at Research Unit in Language Evolution and Computation, University of Edinburgh, Edinburgh, Scotland (2002).
"Dynamics of learning and coupled replicator equations," contributed talk, International Workshop on Dynamical Systems in Mathematical Biology, Tokyo, Japan (2002).
"On the power of nonlinear mappings in switching map systems," contributed talk, The second international conference on Unconventional Models of Computation, Brussels, Belgium (2000).
"Undecidability of the Imitation Game," contributed talk, Symposium on Imitation in Animals and Artifacts, Edinburgh, Scotland (1999).
"NP-completeness of kSAT and multifractals," contributed talk, Conference on Computational Physics, Granada, Spain (1999).
"Self-similar sets as satisfiable Boolean expressions," contributed talk, International conference on Unconventional Models of Computation, Auckland, New Zealand, (1998).

佐藤讓 (Ph.D.)
〒060-0812 札幌市北区北12条西6丁目
北海道大学電子科学研究所 / 理学院数学専攻
Phone/Fax +81-11-706-2889, Email:ysato_at_math.sci.hokudai.ac.jp

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