Ishiwata, R, Kinukawa, R, and Sugiyama, Y. Analysis of dynamically stable patterns in a maze-like corridor using the Wasserstein metric. Scientific reports, Nature Publishing Group, 8(1):6367, April 2018. [ DOI | http ]

Miura, Y and Sugiyama, Y. Coarse analysis of collective behaviors: Bifurcation analysis of the optimal velocity model for traffic jam formation. Physics Letters A, 381(4):3983--3988, December 2017. [ DOI | http ]

Tadaki, Si, Kikuchi, M, Nakayama, A, Shibata, A, Sugiyama, Y, and Yukawa, S. Characterizing and distinguishing free and jammed traffic flows from the distribution and correlation of experimental speed data. New Journal of Physics, 18(8):083022, August 2016. [ DOI | http ]

Nakayama, A, Kikuchi, M, Shibata, A, Sugiyama, Y, Tadaki, Si, and Yukawa, S. Quantitative explanation of circuit experiments and real traffic using the optimal velocity model. New Journal of Physics, IOP Publishing, 18(4):043040, April 2016. [ DOI | http ]

Kano, T, Sugiyama, Y, and Ishiguro, A. Autonomous Decentralized Control of Traffic Signals that can Adapt to Changes in Traffic. Collective Dynamics, 1(0):A5--18, March 2016. [ DOI | http ]

Nomura, Y, Saito, S, Ishiwata, R, and Sugiyama, Y. Hopf bifurcation analysis for a dissipative system with asymmetric interaction: Analytical explanation of a specific property of highway traffic. Physical Review E, American Physical Society, 93(1):012215, January 2016. [ DOI | http ]

Ishiwata, R and Sugiyama, Y. Flow instability originating from particle configurations using the two-dimensional optimal velocity model. Physical Review E, 92(6):062830, December 2015. [ DOI | http ]

Tadaki, Si, Kikuchi, M, Fukui, M, Nakayama, A, Nishinari, K, Shibata, A, Sugiyama, Y, Yosida, T, and Yukawa, S. Phase transition in traffic jam experiment on a circuit. New Journal of Physics, IOP Publishing, 15(10):103034, October 2013. [ DOI | http ]

Ishiwata, R and Sugiyama, Y. Relationships between power-law long-range interactions and fractional mechanics. Physica A: Statistical Mechanics and its Applications, 391(23):5827--5838, December 2012. [ DOI | http ]

Nakayama, A, Fukui, M, Kikuchi, M, Hasebe, K, Nishinari, K, Sugiyama, Y, Tadaki, Si, and Yukawa, S. Metastability in the formation of an experimental traffic jam. New Journal of Physics, IOP Publishing, 11(8):3025, August 2009. [ DOI | http ]

Yamamoto, M, Nomura, Y, and Sugiyama, Y. Dissipative system with asymmetric interaction and Hopf bifurcation. Physical Review E, 80(2):026203, August 2009. [ DOI | http ]

Sugiyama, Y, Fukui, M, Kikuchi, M, Kikuchi, M, Hasebe, K, Hasebe, K, Nakayama, A, Nakayama, A, Nishinari, K, Nishinari, K, Tadaki, Si, Tadaki, Si, Yukawa, S, and Yukawa, S. Traffic jams without bottlenecksexperimental evidence for the physical mechanism of the formation of a jam. New Journal of Physics, 10(3):3001, March 2008. [ DOI | http ]

Nakayama, A, Hasebe, K, and Sugiyama, Y. Effect of attractive interaction on instability of pedestrian flow in a two-dimensional optimal velocity model. Physical Review E, 77(1):016105, January 2008. [ DOI | http ]

Yamamoto, M, Nomura, Y, and Sugiyama, Y. Optimal Velocity Model and Hopf Bifurcation. In Frontiers of Computational Science 2008, pages 235--242. Nagoya, 2008.

Nakayama, A, Hasebe, K, and Sugiyama, Y. Instability of pedestrian flow in 2D optimal velocity model with attractive interaction. Computer Physics Communications, 177(1-2):162--163, July 2007. [ DOI | http ]

Tadaki, S, Kikuchi, M, Nakayama, A, Nishinari, K, Shibata, A, Sugiyama, Y, and Yukawa, S. Power-Law Fluctuation in Expressway Traffic Flow: Detrended Fluctuation Analysis. Journal of the Physical Society of Japan, The Physical Society of Japan, 75(3):4002, March 2006. [ DOI | http ]

Nakayama, A, Hasebe, K, and Sugiyama, Y. Instability of pedestrian flow and phase structure in a two-dimensional optimal velocity model. Physical Review E, 71(3):36121, March 2005. [ DOI | http ]

Hasebe, K, Nakayama, A, and Sugiyama, Y. Equivalence of linear response among extended optimal velocity models. Physical Review E, American Physical Society, 69(1):017103, January 2004. [ DOI | http ]

Kikuchi, M, Sugiyama, Y, Tadaki, Si, and Yukawa, S. Formation of Synchronized Flow at the Upper Stream of Bottleneck in Optimal Velocity Model. In 10th IFAC Symposium Control in Transportation Systems 2003, pages 347--351. 2004. [ http ]

Sugiyama, Y, Kikuchi, M, Nakayama, A, Nishinari, K, and Shibata, A. Traffic Flow as Physics of Many-Body System. In 10th IFAC Symposium Control in Transportation Systems 2003, pages 335--340. 2004.

Hasebe, K, Nakayama, A, and Sugiyama, Y. Dynamical model of a cooperative driving system for freeway traffic. Physical Review E, American Physical Society, 68(2):026102, August 2003. [ DOI | http ]

Nakayama, A and Sugiyama, Y. Two-Dimensional Optimal Velocity Model for Pedestrians and Biological Motion. Modeling of Complex Systems: Seventh Granada Lectures, AIP, 661(1):107--110, April 2003. [ DOI | http ]

Sugiyama, Y and Nakayama, A. Understanding “Synchronized Flow” by Optimal Velocity Model. Modeling of Complex Systems: Seventh Granada Lectures, AIP, 661(1):111--115, April 2003. [ DOI | http ]

Nakayama, A and Sugiyama, Y. Behaivior of Pedestrian Flow base on 2 Dimensional Optimal Velocity Model. In ER Galea, editor, THE 2nd INTERNATIONAL CONFERENCE ON PEDESTRIAN AND EVACUATION DYNAMICS, page 409. 2003.

Sugiyama, Y and Nakayama, A. Modeling, simulation and observations for freeway traffic and pedestrians. In H Emmerich, B Nestler, and M Schreckenberg, editors, Computational Physics of Transport and Interface Dynamics, pages pp. 406--421. Springer Berlin Heidelberg, Dresden, 2003. ISBN 978-3-642-07320-5. ISSN 1439-7358. [ DOI | http ]

Tadaki, S, Nishinari, K, Kikuchi, M, Sugiyama, Y, and Yukawa, S. Analysis of congested flow at the upper stream of a tunnel. Physica A: Statistical Mechanics and its Applications, 315(1):156--162, November 2002. [ DOI | http ]

Tadaki, Si, Nishinari, K, Kikuchi, M, Sugiyama, Y, and Yukawa, S. Observation of Congested Two-lane Traffic Caused by a Tunnel. Journal of the Physical Society of Japan, The Physical Society of Japan, 71(9):2326--2334, September 2002. [ DOI | http ]

Hasebe, K, Nakayama, A, and Sugiyama, Y. Soliton solutions of exactly solvable dissipative systems. Computer Physics Communications, 142(1):259--262, December 2001. [ DOI | http ]

Nakayama, A, Sugiyama, Y, and Hasebe, K. Effect of looking at the car that follows in an optimal velocity model of traffic flow. Physical Review E, American Physical Society, 65(1):016112, December 2001. [ DOI | http ]

Hasebe, K, Nakayama, A, and Sugiyama, Y. Soliton solutions of exactly solvable dissipative systems. Computer Physics Communications, 2001. [ http ]

Sugiyama, Y, Nakayama, A, and Hasebe, K. 2-dimensional Optimal Velocity Models for Pedestrians and Evacuation Dynamics. In M Schreckenberg and SD Sharma, editors, International Workshop of 'Pedestrian and Evacuation Dynamics', pages 155--160. Duisburg, 2001.

Tadaki, Si, Kikuchi, M, Sugiyama, Y, and Yukawa, S. Congestion in multi-lane coupled map traffic flow model. In STATISTICAL PHYSICS: Third Tohwa University International Conference. AIP Conference Proceedings, pages 578--580. Department of Information Science, Saga University, Saga 840-8502, Japan, AIP, June 2000. ISSN 0094-243X. [ DOI | http ]

Hasebe, K, Nakayama, A, and Sugiyama, Y. Exact Solutions of Differential Equations with Delay for Dissipative Systems. Progress Of Theoretical Physics Supplement, 138:602--603, 2000. [ DOI | http ]

Kikuchi, M, Sugiyama, Y, Tadaki, S, and Yukawa, S. Asymmetric Optimal Velocity Model for Traffic Flow. Progress Of Theoretical Physics Supplement, 138:549--554, 2000. [ DOI | http ]

Tadaki, S, Kikuchi, M, Sugiyama, Y, and Yukawa, S. Congestion in Multi-Lane Roads with Coupled Map Traffic Flow Model. Progress Of Theoretical Physics Supplement, Oxford University Press, 138:594--595, 2000. [ DOI | http ]

Sugiyama, Y. Optimal velocity model for traffic flow. Computer Physics Communications, 121:399--401, September 1999. [ DOI | http ]

Tadaki, Si, Kikuchi, M, Sugiyama, Y, and Yukawa, S. Noise Induced Congested Traffic Flow in Coupled Map Optimal Velocity Model. Journal of the Physical Society of Japan, The Physical Society of Japan, 68(9):3110--3114, September 1999. [ DOI | http ]

Hasebe, K, Nakayama, A, and Sugiyama, Y. Exact solutions of differential equations with delay for dissipative systems. Physics Letters A, 259(2):135--139, August 1999. [ DOI | http ]

Tadaki, Si, Kikuchi, M, Sugiyama, Y, and Yukawa, S. Coupled Map Traffic Flow Simulator Based on Optimal Velocity Functions. Journal of the Physical Society of Japan, The Physical Society of Japan, 67(7):2270--2276, July 1998. [ DOI | http ]

Sugiyama, Y and Yamada, H. Simple and exactly solvable model for queue dynamics. Physical Review E, American Physical Society, 55(6):7749--7752, June 1997. [ DOI | http ]

Sugiyama, Y. The Exactly Solvable Simplest Model for Queue Dynamics as the Limit of Optimal Velocity Model for 1-d Freeway Traffic. In HJ Ruskin, R O'Connor, and Y Feng, editors, 1996 Conference on Scientific Computing in Europe, pages 155--162. Dublin, 1996.

Sugiyama, Y. Dynamical Model for Congestion of Freeway Traffic and its Structural Stability. In DE Wolf, M Schreckenberg, and A Bachem, editors, WORKSHOP ON TRAFFIC AND GRANULAR FLOW, pages 137--149. Juelich, 1996.

Bando, M, Hasebe, K, Nakanishi, K, Nakayama, A, Shibata, A, and Sugiyama, Y. Phenomenological Study of Dynamical Model of Traffic Flow. Journal de Physique I, EDP Sciences, 5(1):1389--1399, November 1995. [ DOI | http ]

Bando, M, Hasebe, K, Nakayama, A, Shibata, A, and Sugiyama, Y. Dynamical model of traffic congestion and numerical simulation. Physical Review E, 51(2):1035--1042, February 1995. [ DOI | http ]

Bando, M, Hasebe, K, Nakayama, A, Shibata, A, and Sugiyama, Y. Structure stability of congestion in traffic dynamics. Japan Journal of Industrial and Applied Mathematics, Springer-Verlag, 11(2):203--223, 1994. [ DOI | http ]

Kimura, K, Sanda, AI, and Sugiyama, Y. Triviality Bound of Linear σ-MODEL with Finite Pion Mass. Modern Physics Letters A, World Scientific Publishing Company, 9(2):2587--2597, 1994. [ DOI | http ]

Sugiyama, Y. Chiral Phase Transition of QED plus NJL model on the Lattice and the Renormalization Group Study. In 1990 International Workshop on `Strong Coupling Gauge Theories and Beyond', pages 326--333. 1990.

Sugiyama, Y. Chiral Phase Transition in the Effective Theory of QED plus Nambu-Jona-Lasinio model on the Lattice. In 1989 Workshop on `Dynamical Symmetry Breaking', pages 154--159. 1990.

Sugiyama, Y. The renormalization group study of the effective theory for lattice QED. Physics Letters B, 223(3):445--450, June 1989. [ DOI | http ]

Sugiyama, Y. The Renormalization Group Study of the Effective Theory of Lattice QED. In 1988 International Workshop on 'New Trends of Strong Coupling Gauge Theories', pages 172--180. Miyoshi, 1989.

Yokota, T and Sugiyama, Y. Reentrant phase transitions in a quantum spin system with random fields. Physical Review B (Condensed Matter), 37(1):5657--5662, April 1988. [ DOI | http ]

Kondo, KI and Sugiyama, Y. Correlation inequalities for multicomponent ferromagnets. Journal of Mathematical Physics, AIP Publishing, 29(2):451--459, February 1988. [ DOI | http ]

Sugiyama, Y and Yokota, T. Mean Field Study of Coleman-Weinberg Phenomena on Lattice. Progress of Theoretical Physics, Oxford University Press, 76(3):667--679, September 1986. [ DOI | http ]

Sugiyama, Y and Yokota, T. Coleman-Weinberg transition for an Abelian Higgs model on the lattice (mean field calculations with loop corrections). Physics Letters B, 168(4):386--390, March 1986. [ DOI | http ]

Kondo, KI, Otofuji, T, and Sugiyama, Y. Correlation inequalities for a class of even ferromagnets. Journal of Statistical Physics, Kluwer Academic Publishers-Plenum Publishers, 40(3):563--575, August 1985. [ DOI | http ]

Sugiyama, Y and Kanaya, K. Meanfield Study of Radially Active U(1) and SU(2) Higgs Model. Progress of Theoretical Physics, Oxford University Press, 73(1):176--185, January 1985. [ DOI | http ]

Kanaya, K and Sugiyama, Y. Meanfield Study of Z_2 Higgs Model with Radial Excitations and Mode Correlation Problem. Progress of Theoretical Physics, Oxford University Press, 72(6):1158--1175, December 1984. [ DOI | http ]

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