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Activities

Publications

Recent publications

  • Takumi Chihara, Yuzuru Sato, Isaia Nisoli, and Stefano Galatolo. "Existence of multiple noise-induced transitions in Lasota–Mackey maps." Chaos, 32.1, p013117, (2022).
  • Yuzuru Sato, Daiji Tsutsui, and Akio Fujiwara, “Noise-induced degeneration in online learning,” Physica D, vol. 430, p133095 (2022).
  • Yoshito Hirata, Yuzuru Sato, and Davide Faranda, "Permutations uniquely identify states and unknown external forces in non-autonomous dynamical systems," Chaos, vol. 30, pp. 103103, (2020).
  • Davide Faranda, Isaac Pérez Castillo, Oliver Hulme, Aglaé Jezequel, Jeroen S. W. Lamb, Yuzuru Sato and Erica L. Thompson, "Asymptotic estimates of SARS-CoV-2 infection counts and their sensitivity to stochastic perturbation," Chaos, vol. 30, pp. 051107, (2020).
  • Davide Faranda, Yuzuru Sato, Gabriele Messori, Nicholas R. Moloney, Pascal Yiou, "Minimal dynamical systems model of the Northern Hemisphere jet stream via embedding of climate data," Earth System Dynamics, 10(3), pp.555-567, (2019).
  • Yuzuru Sato, and Rainer Klages, “Anomalous diffusion in random dynamical systems,” Physical Review Letters, 122, 174101, (2019)
  • Nicholas R. Moloney, Davide Faranda, and Yuzuru Sato, “An overview of the extremal index”, CHAOS, 29, 022101, (2019).

Books

Papers

  • Takumi Chihara, Yuzuru Sato, Isaia Nisoli, and Stefano Galatolo. "Existence of multiple noise-induced transitions in Lasota–Mackey maps." Chaos, 32.1, p013117, (2022).
  • Yuzuru Sato, Daiji Tsutsui, and Akio Fujiwara, “Noise-induced degeneration in online learning,” Physica D, vol. 430, p133095 (2022).
  • Yoshito Hirata, Yuzuru Sato, and Davide Faranda, "Permutations uniquely identify states and unknown external forces in non-autonomous dynamical systems," Chaos, vol. 30, pp. 103103, (2020).
  • Davide Faranda, Isaac Pérez Castillo, Oliver Hulme, Aglaé Jezequel, Jeroen S. W. Lamb, Yuzuru Sato and Erica L. Thompson, "Asymptotic estimates of SARS-CoV-2 infection counts and their sensitivity to stochastic perturbation," Chaos, vol. 30, pp. 051107, (2020).
  • Davide Faranda, Yuzuru Sato, Gabriele Messori, Nicholas R. Moloney, Pascal Yiou, "Minimal dynamical systems model of the Northern Hemisphere jet stream via embedding of climate data," Earth System Dynamics, 10(3), pp.555-567, (2019).
  • Yuzuru Sato, and Rainer Klages, “Anomalous diffusion in random dynamical systems,” Physical Review Letters, 122, 174101, (2019)
  • Nicholas R. Moloney, Davide Faranda, and Yuzuru Sato, “An overview of the extremal index”, CHAOS, 29, 022101, (2019).
  • Kunihiko Esashi, Tamotsu Onozaki, Yoshitaka Saiki, and Yuzuru Sato, "Intermittent transition between synchronization and desynchronization in multi-regional business cycles," Structural Change and Economic Dynamics, 44, pp.68-76, (2018).
  • Davide Faranda, Yuzuru Sato, Brice Saint-Michel, Cecil Wiertel, Vincent Padilla, Bérengère Dubrulle, François Daviaud, "Stochastic chaos in a turbulent swirling flow," Physical Review Letters, 119, 014502, (2017).
  • Anna Maria Cherubini, Jeroen S W Lamb, Martin Rasmussen, and Yuzuru Sato, "A random dynamical systems perspective on stochastic resonance," Nonlinearity, vol. 30, pp. 2835-2853, (2017).
  • Yuzuru Sato, Daisuke Shimaoka, Koichi Fujimoto, and Gentaro Taga, "Neural field dynamics for growing brains," NOLTA, vol. 7:2, pp. 226-233, (2016).
  • Yuzuru Sato, Nihat Ay, "Information flow in learning a coin-tossing game," NOLTA, vol. 7:2, pp. 118-125, (2016).
  • Davide Faranda, Giacomo Masato, Nicholas Moloney, Yuzuru Sato, Francois Daviaud, Berengere Dubrulle, and Pascal Yiou, "The switching between zonal and blocked mid-latitude atmospheric circulation: a dynamical system perspective," Climate Dynamics, pp. 1-13, (2015).
  • Yuzuru Sato, "Robust pattern construction in two-dimensional neural field," Proc. AFCA, pp.85-89, (2015).
  • Kota Hiratsuka, Yuzuru Sato, and Zin Arai, "Computability and Complexity of Julia Sets: a review," NOLTA, vol 5:4, pp.410-423, (2014).
  • Kota Hiratsuka, Yuzuru Sato, and Zin Arai, "Computability and Complexity of Julia Sets," Proc. of NOLTA2013, p2-5: Hokkaido University Preprint Series in Mathematics, #1036, (2013).
  • Kazuhiro, Matsumoto, Yuzuru, Sato, Hiroshi, Endo, Keiichi, Kitajo, "Random dynamical systems modeling for brain wave synchrony," Proc. of NOLTA2013, p395-398: Hokkaido University Preprint Series in Mathematics, #1037, (2013).
  • Yuzuru Sato and Shun-ichi Amari, "Robust Computation in Two-dimensional Neural Field," Proceedings of the Third International Conference on Cognitive Neurodynamics, Advances in Cognitive Neurodynamics, pp 123-129, (2013).
  • Yuzuru Sato and Kazuhiro Matsumoto, "Random dynamics from time-serieses of physiological rhythms," Proc. of NOLTA2012, p497-500, (2012): Hokkaido University Preprint Series in Mathematics, #1012 (2012).
  • Miguel Fuentes, Yuzuru Sato and Constantino Tsallis, "Sensitivity to initial conditions, entropy production and escape rate at the onset of chaos," Physics Letters A, 375:33, p2988-2991, (2011)
  • Yao Lu, Yuzuru Sato, and Shun-ichi Amari, "Traveling bumps and thier collisions in two-dimensional neural field," Neural Computation, 23:5, p1248-1260 (2011).
  • M. Iima, Y. Iijima, Y. Sato, and Y. Tasaka, "A time series analysis of the free-surface motion of rotating flow," Theoretical and Applied Mechanics Japan, 59, p187-193, (2010).
  • Yuzuru Sato, Constantino Tsallis, "On the extensivity of the entropy Sq for N < 3 specially correlated binary subsystems," International Journal of Bifurcation and Chaos, 16:6, p1727-1738, (2006).
  • Constantino Tsallis, Murray Gell-Mann and Yuzuru Sato, "Extensivity and entropy production," Europhysics News, 36:6, p186, (2005).
  • Constantino Tsallis, Murray Gell-Mann and Yuzuru Sato, "Asymptotically scaleinvariant occupancy of phase space makes the entropy Sq extensive," Proceedings of the National Academy of Sciences USA, 102, p15377, (2005).
  • Yuzuru Sato, Eizo Akiyama and James P. Crutchfield, "Stability and Diversity in Collective Adaptation," Physica, D 210, p21-57, (2005).
  • Yuzuru Sato and Takashi Ikegami, "Undecidability in the Imitation Game," Minds and Machines, 14:2, p133, (2004).
  • Yuzuru Sato and James P. Crutchfield, "Coupled Replicator Equations for the Dynamics of Learning in Multiagent Systems," Physical Review, E 67, p015206(R), (2003).
  • Yuzuru Sato, Eizo Akiyama and J. Doyne Farmer, "Chaos in Learning a Simple Two Person Game," Proceedings of the National Academy of Sciences USA, 99, p4748-4751, (2002).
  • Yuzuru Sato, "Logic and Computation in Dynamical Systems," Ph.D. Thesis, University of Tokyo, (2000).
  • Yuzuru Sato, Makoto Taiji and Takashi Ikegami, "On the Power of Nonlinear Mappings in Switching Map Systems," Unconventional Models of Computation (UMC2K), Springer-Verlag, p234-247, (2000).
  • Yuzuru Sato and Takashi Ikegami, "Nonlinear computation with Switching Map Systems," Journal of Universal Computer Sciences, 6:9, p881-894, (2000).
  • Toru Ohira, Yuzuru Sato and Jack D. Cowan, "Resonance in a Stochastic Neuron Model with Delayed Interaction," Proceedings of Conference on Neural Information Processing Systems, p314-320, (1999).
  • Toru Ohira and Yuzuru Sato, "Resonance with Noise and Delay," Physical Review Letters, 82, p2811-2815 (1999).
  • Yuzuru Sato and Takashi Ikegami, "Undecidability of the Imitation Game," Proceedings of Symposium on Imitation in Animals and Artifacts, p157-159, (1999).
  • Yuzuru Sato, Makoto Taiji and Takashi Ikegami, "NP-completeness of kSAT and Multifractals," Computer Physics Communications, 121, p51-53, (1999).
  • Yuzuru Sato, Makoto Taiji and Takashi Ikegami, "Self-similar Sets as Satisfiable Boolean Expressions," Unconventional Models of Computation, Springer-Verlag, p352-370, (1998).

Articles / Non-refereed papers

  • Yuzuru Sato, "Random dynamical systems and stochastic chaos," RIMS Technical Report, No.2028, pp.1-8, (2017). in Japanese
  • Yuzuru Sato, Nobuo Matsunaga,“Random basin in dice roll,” RIMS Technical Report, No. 1942, pp.1-10, Kyoto University, (2015). in Japanese.
  • Yuzuru Sato, "Random dynamical systems and stochastic chaos," Suri-kagaku, August 2015, p26-31, (2015). in Japanese.
  • Yuzuru Sato, "Random dynamics from time series," RIMS Technical Report, No. 1827, p24-32, Kyoto University, (2012). in Japanese
  • Yuzuru Sato, Makoto Iima and Yuji Tasaka, "Random dynamics from time-serieses of rotating fluid," Hokkaido University Preprint Series in Mathematics, #979 (2011).
  • Yuzuru Sato, "Background of automata theory," Gendai-shiso, "Ways of thought in modern mathematics," September 2010, p155-163, (2010). in Japanese.
  • Yuzuru Sato, "Noise-induced phenomena in one-dimensional maps," IEICE Technical Report, NLP-2009-121, p221-223, (2010). in Japanese.
  • Yuzuru Sato, "Noise-induced phenomena in one-dimensional maps," RIMS Technical Report, No. 1688, p137, Kyoto University, (2009). in Japanese
  • Yuzuru Sato, Masashi Tachikawa, and Takao Namiki, "Reviews on function dynamics," ISM Technical Report, 217, p33-44, The Institute of Statistical Mathematics, (2008). in Japanese.
  • Yuzuru Sato, Makoto Iima, and Yuji Tasaka, "Random Dynamics from Time Serieses of Rotating Fluid," Proceedings of JSIAM08, p317-318, (2008). in Japanese
  • Yuzuru Sato and Nihat Ay, "Adaptive dynamics for interacting Markovian process," Hokkaido University Preprint Series, 819, Hokkaido University, (2006)
  • Yuzuru Sato, "Dynamics of learning in multi-agent systems," Suri-kagaku, April 2004, p76-82, (2004). in Japanese.
  • Yuzuru Sato, "Weaver's problems of communication and information theory," ISM Technical Report, 171, p55-57, The Institute of Statistical Mathematics, (2003). in Japanese.
  • Yuzuru Sato, "Dynaics of learning," ISM Technical Report, 163, p77-87, The Institute of Statistical Mathematics, (2002). in Japanese.
  • Yuzuru Sato, "Dynamics of computation," ISM Technical Report, 144, p1-8, The Institute of Statistical Mathematics, (2001). in Japanese.
  • Yuzuru Sato, Makoto Taiji and Takashi Ikegami, "Computation with Switching Map Systems: Nonlinearity and Computational Complexity," Santa Fe Institute Working Paper, WP-01-12-083, (2001).

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Yuzuru Sato (Ph. D.), Associate Professor
Complex Systems Research Group, RIES / Department of Mathematics, Hokkaido University
Kita 20 Nishi 10, Kita-ku, Sapporo Hokkaido 001-0020, Japan
Phone/Fax: +81-11-706-9453, Email: ysato_at_math.sci.hokudai.ac.jp