Researcher Profile and Settings

Affiliation

• Faculty of Science　Mathematics　Mathematics

Job Title

Professor

URL

• http://www.math.sci.hokudai.ac.jp/~nami/

Research funding number

• 40271712

ORCID ID

• 0000-0002-3087-0766

Research Interests

• Cellular Automata   Quantum Walk   Institutional Repository   

Research Areas

• Mathematics / Foundations of mathematics/Applied mathematics
• Informatics / Library and information science/Humanistic social informatics

Academic & Professional Experience

• 2019/07 - Today    Hokkaido UniversityDepartment of MathematicsProfessor
• 2009/11 - 2019/06    Department of Mathematics, Faculty of Science, Hokkaido UniversityAssociate Professor
• 2007/04 - 2009/10    Department of Mathematics, Faculty of Science, Hokkaido UniversityAssistant Professor
• 1995/04 - 2007/03    Assistant, Department of Mathematics, Faculty of Science, Hokkaido University

Education

• 1994/04 - 1995/03  The University of Tokyo  Graduate School of Mathematical Science  Doctor Cource
• 1992/04 - 1994/03  The University of Tokyo  Graduate School of Mathematical Science  Master Cource
• 1990/04 - 1992/03  The University of Tokyo  College of Arts and Sciences  Department of Pure and Applied Science

Association Memberships

• Society for Industrial and Applied Mathematics   INFORMATION PROCESSING SOCIETY OF JAPAN   

Research Activities

Published Papers

• Relation between spatio-temporal patterns generated by two-dimensional cellular automata and a singular function

  A. Kawaharada and T. Namiki

  International Journal of Networking and Computing 9 (2) 354 - 369 2019 [Refereed][Not invited]
   Research paper (scientific journal)
• Mathematical Structures in the Brain Dynamics of Epilepsy

  Takao NAMIKI and Ichiro TSUDA

  Advances in Neuroinformatics 2017 Abstracts 2017/11 [Not refereed][Invited]
   Research paper (research society, symposium materials, etc.)
• Fractal structure of a class of two-dimensional two-state cellular automata

  Akane Kawahada and Takao NAMIKI

  Proceedings of the 5th International Workshop on Applications and Fundamentals of Cellular Automata 205 - 208 2017/11 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Zeta function of a class of subshifts of Dyck shift

  Takao NAMIKI and Ken Saito

  262 - 265 2016/11 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Efficient computation method for identity element of Abelian Sandpile Model

  Takumi Shibazaki and Takao NAMIKI

  Proceedings of the 3rd International Workshop on Applications and Fundamentals of Cellular Automata (Eds Katsunobu Imai, et al, Dec. 2015 Sapporo, Japan) 430 - 435 2015/12 [Refereed][Not invited]
   Research paper (international conference proceedings)
• On limit set of two-dimensional two-state linear cellular automaton rules

  Koichi Takada and Takao Namiki

  Proceedings of the 2nd International Workshop on Applications and Fundamentals of Cellular Automata 470 - 475 2014/12 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Cumulative distribution of rule 90 and Lebesgue's singular function

  Akane Kawaharada and Takao Namiki

  Proceedings of AUTOMATA 2014 165 - 169 2014/07 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Discovering Unpredictably Related Words from Logs of Scholarly Repositories for Grouping Similar Queries

  Takehiro Shiraishi, Toshihiro Aoyama, Kazutsuna Yamaji, Takao Namiki, and Daisuke Ikeda

  Applied Computing and Information Technology, Studies Computational Intelligence 553 48 - 60 2014/05 [Refereed][Not invited]
   Research paper (scientific journal)
• Entropy of two dimensional permutative cellular automata

  Takao NAMIKI

  Proceedings of the First International Symposium on Computing and Networking (Eds Katsunobu Imai, et al, Dec. 2013 Matsuyama, Japan) 510 - 514 2013/12 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Preliminary Results for Discovering Related Words from Logs of Scholarly Repositories

  Takehiro Shiraishi, Toshihiro Aoyama, Kazutsuna Yamaji, Takao Namiki, and Daisuke Ikeda

  Proceedings of IIAI International Conference on Advanced Information Technologies 2013/11 [Refereed][Not invited]
  
• Entropy and asymptotic behavior of cellular automata

  Takao NAMIKI

  Proceedings of 2013 International Symposium on Nonlinear Theory and its Application 42 - 44 2013/09 [Refereed][Invited]
   Research paper (international conference proceedings)
• SarabiWEKO: Metadata class management system for WEKO repository

  Toshihiro Aoyama, Kazutsuna YAmaji, Daisuke Ikeda, Takao Namiki

  Proceedings of 2nd International Conference on Academic Library 204 - 207 2013/02 [Refereed][Not invited]
   Research paper (international conference proceedings)
• SarabiWEKO: A reuse system of WEKO contents and metadata

  Toshihiro AOYAMA, Kazutsuna YAMAJI, Daisuke IKEDA and Takao NAMIKI

  Digital Library 41 1 - 8 2011/11 [Refereed][Not invited]
   Research paper (scientific journal)
• Wiki Authoring and Semantics of Mathematiccal Document Structure

  Hiraku Kuroda, Takao NAMIKI

  Proceedings of the ITP 2011 Workshop on Mathematical Wikis 71 - 81 2011/08 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Time Stamping Preprint and Electronic Journal Server Environment

  Takao NAMIKI, Kazutsuna YAMAJI, Toshiyuki KATAOKA and Noboru SONEHARA

  Proceedings of Towards Digital Mathematics Library 2011 19 - 26 2011/07 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Experimental DML over digital repositories in Japan

  Takao Namiki, Hiraku Kuroda and Shunsuke Naruse

  Proceedings of Towards Digital Mathematics Library 2009 71 - 81 2009/07 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Status of mathematical publication in Japan: Institutional Repositories play an essential role

  Takao NAMIKI

  Third International Conference on Open Repositories 2008, 1-4 April 2008, Southampton, United Kingdom.  2008/04 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Time Stamping Preprint Server Environment using EPrints 3

  Yamaji, K., Kataoka, T., Sonehara, N. and Namiki, T.

  Third International Conference on Open Repositories 2008, 1-4 April 2008, Southampton, United Kingdom.  2008/04 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Current status of mathematical publications in Japan

  Takao Namiki

  Proceedings of Towards Digital Mathematics Library 97 - 102 2008/07 [Refereed][Not invited]
   Research paper (international conference proceedings)
• Symmetry of distribution for the one-dimensional Hadamard walk

  N. Konno, T. Namiki and T. Soshi

  Interdisciplinary Information Sciences 10 (1) 11 - 22 2004 [Refereed][Not invited]
   Research paper (scientific journal)
• Limit sets and the rate of convergence for one-dimensional cellular automata traffic models

  Takao NAMIKI

  Proceedings of Traffic and Granular Flow '01 103 - 108 2003 [Refereed][Not invited]
  
• Absorption problems for quantum walks in one dimension

  N. Konno, T. Namiki, T. Soshi, A. Sudbery

  J. Phys. A: Math. Gen. 36 241 - 253 2003 [Refereed][Not invited]
   Research paper (scientific journal)
• Some remarks on generating functions for absorbing probability of quantum random walks

  Takao NAMIKI

  ERATO Workshop on Quantum Information Science 2002 100 - 101 2002/09 [Refereed][Not invited]
   Research paper (international conference proceedings)
• On two types of transient behavior for one-dimensional cellular automata

  TAKAO NAMIKI, KENTARO GOTO

  Proceedings 6th international conference on COMPLEX SYSTEMS 72 - 76 2002/09 [Refereed][Not invited]
   Research paper (international conference proceedings)
• ASYMPTOTIC BEHAVIOR OF ONE-DIMENSIONAL CELLULAR AUTOMATA TRAFFIC MODELS

  TAKAO NAMIKI

  Proceedings of Cellular Automata 2001 130 - 134 2001/11 [Not refereed][Not invited]
   Research paper (international conference proceedings)
• Function Dynamics

  Yoichiro Takahashi, Naoto Kataoka, Kunihiko Kaneko, Takao Nmikai

  Japan Journal of Industrial and Applied Mathematics 18 (2) 405 - 423 2001/06 [Refereed][Not invited]
   Research paper (scientific journal)
• A report on Dublin Core based research information service on mathematics

  Kazuhiko Asou, Keiko Nakahara, Takao Namiki

  Proceedings of the International Conference on Dublin Core and Metadata Applications 2001 86 - 89 2001 [Refereed][Not invited]
   Research paper (international conference proceedings)
• A thermodynamic formalism for one dimensional cellular automata

  Takao NAMIKI

  Proceedings of the Japan Academy 75A (2) 16 - 17 1999 [Not refereed][Not invited]
   Research paper (scientific journal)
• The degree function for cellular dynamics

  Takao NAMIKI

  Proc. Japan Acad. Ser. A Math. Sci. 71 (1) 10 - 12 1995/01 [Not refereed][Not invited]
   Research paper (scientific journal)

Conference Activities & Talks

• Probing epileptogenesis using mathematical models  [Invited]

  Takao NAMIKI and Ichiro Tsuda

  AEEE2018  2018/10
• Mathematical classification of brain dynamics in epilepsy  [Not invited]

  Takao NAMIKI and Ichiro TSUDA

  Advanced ECoG/EEG Analysis in Epilepsy  2017/11
• Complex Network Approach for Characterization of Protein Secondary Structure  [Not invited]

  Shohei Konno, Takao Namki, Koichiro Ishimori

  Chem-Bio Informatics Society(CBI) Annual Meeting 2017  2017/10
• Introduction to dynamical systems  [Invited]

  Takao NAMIKI

  Hokkaido University Summer Institute 2017  2017/07
• Mathematical structure of brain dynamics of epilepsy  [Invited]

  Takao NAMIKI

  Problems of consciousness and Neuropsychiatric Disorders as Network Diseases  2017/06
• Finding Mathematical Structures in the Brain Dynamics: Theory and its Application  [Invited]

  Takao NAMIKI and Ichiro TSUDA

  The 94th Annual meeting of the Physiological Society of Japan  2017/03
• The Baker's Transformation and Quantum Walk  [Invited]

  Takao NAMIKI

  International Workshop on Noncommutative Analysis And Its Future Prospects  2013/08
• Mathematics Publications in Japan  [Invited]

  Takao NAMIKI

  2012 Korean Mathematical Society Fall Meeting  2012/10
• Client based interfaces for contetn re-use framework based on OAI-PMH  [Not invited]

  Takao NAMIKI

  Open Repositories 2012  2012/07
• Towards a classical limit of DTQW: a sequence of discrete-time quantum walk associated with chaotic dynamics  [Not invited]

  Takao NAMIKI

  International Workshop on Theoretical Aspects of the Discrete Time Quantum Walk  2011/11
• Digital Mathematics Library in Japan: collaboration between disciplinary community and digital repository community  [Not invited]

  Takao NAMIKI

  Open Repositories 2011  2011/06
• Entropy of Z^2-action with permutative cellular automaton rule  [Invited]

  Takao Namiki

  Topology and Computers 2010  2010/09
• Digital Mathematics Library in Japan using Digital Repository System  [Invited]

  Takao NAMIKI, Hiraku KURODA

  Digital Repositories Foundation International Conference 2009  2009/12
• Virtual digital mathematics library over digital repositories in Japan  [Not invited]

  Takao NAMIKI, Hiraku KURODA

  Open Repositories 2009  2009/05
• Status of mathematical publication in Japan: Institutional Repositories play an essential role  [Not invited]

  Takao NAMIKI

  Third International Conference on Open Repositories 2008  2008/03
• Time Stamping Preprint Server Environment using EPrints 3  [Not invited]

  Kazutsuna Yamaji, Toshiyuki Kataoka, Noboru Sonehara and Takao Namiki

  Third International Conference on Open Repositories 2008,  2008/03
• Integration of Disciplinary Repository, Institutional Repository and National Portal  [Not invited]

  Takao NAMIKI, Kunie HORIKOSHI

  Open Repositories 2006  2006/02

MISC

• Complex Network Approach for Characterization of Protein Secondary Structure

  Shohei Konno, Takao Namiki, Koichiro Ishimori  Chem-Bio Informatics Society(CBI) Annual Meeting 2017 Abstracts  P05-02  2017/10   [Refereed] [Not invited]  Summary of the papers read (national conference and other science council)
• Mathematical structure of brain dynamics of epilepsy

  Takao NAMIKI and Ichiro Tsuda  Problems of consciousness and Neuropsychiatric Disorders as Network Diseases  31  2017/06   [Not refereed] [Invited]  Summary of the papers read (international conference)
• Finding mathematical structures in the brain dynamics: theory and application

  Ichiro Tsuda and Takao NAMIKI  The Journal of Physiological Sciences, Proceedings of the 94th Annual Meeting, March 28-30, 2017, Hamamatsu, Japan  1PS02A2-4  2017/03   [Not refereed] [Invited]  Summary of the papers read (international conference)

Awards & Honors

• 2016/11   The 4th international symposium on computing and networking   Best Poster Paper Award
    

  Winner: Takao NAMIKI and Ken Saito

Educational Activities

Teaching Experience

Social Contribution

• WeBWorK:online homework system for math and sciences courses

  Date (from-to) : 2016/12/01

  Role : Lecturer

  Category : Lecture