(Last updated : 2021-08-26 16:03:22)
  HIROSHI IYETOMI
   Department   Department of Data Science, Faculty of Data Science
   Position   Professor
■ Present specialized field
Mathematical physics and fundamental theory of condensed matter physics, Applied mathematics and statistics, Mathematical informatics, Statistical science, Soft computing (Key Word:Econophysics, Multivariate Analysis, Network Science) 
■ Book and thesis
1. Article Relationship between Macroeconomic Indicators and Economic Cycles in U.S. Scientific Reports 10(8420) (Collaboration) 2020/05
2. Article Visualization of a directed network with focus on its hierarchy and circularity(階層性と循環性に注力した有向ネットワークの可視化) J. of Computational Social Science 2(1),pp.15-23 (Collaboration) 2019/02
3. Article Backbone of credit relationships in the Japanese credit market(日本の信用市場における信用関係の基幹部分) EPJ Data Science 5(1) (Collaboration) 2016/03
4. Article A paradigm shift from production function to production copula: Statistical description of production activity of firms(生産関数から生産コピュラへのパラダイムシフト:企業の生産活動の統計的記述) Quantitative Finance 12(9),pp.1453-1466 (Collaboration) 2012/09
5. Article Coupled oscillator model of the business cycle with fluctuating goods markets(揺らぐ財市場をもった景気変動の結合振動子モデル) Prog. Theor. Phys. Suppl. 194,pp.111-121 (Collaboration) 2012/04
6. Article Labor productivity distribution with negative temperature(負の温度をもった労働生産性分布) Prog. Theor. Phys. Suppl. 194,pp.135-143 (Single) 2012/04
7. Article Numerical study of generalized random correlation matrices: Autocorrelation effects(一般化されたランダム相関行列の数値解析:自己相関効果) Prog. Theor. Phys. Suppl 194,pp.84-93 (Collaboration) 2012/04
8. Article Subcommunities and their mutual relationships in a transaction network(取引ネットワークにおけるサブコミュニティとそれらの相互関係性) Prog. Theor. Phys. Suppl. 194,pp.144-157 (Collaboration) 2012/04
9. Article An ab initio analysis of electronic states associated with a silicon vacancy in cubic symmetry(立方対称性をもったシリコン中不純物に付随した電子状態の第一原理的解析) Solid State Comm. 151(21),pp.1605-1608 (Collaboration) 2011/11
10. Article What causes business cycles? Analysis of the Japanese industrial production data(何が景気循環を引き起こすのか? 日本の産業生産データの解析) J. Japanese and International Economies 25(3),pp.246-272 (Collaboration) 2011/09
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■ Book and thesis
1. Book Macro-Econophysics: New Studies on Economic Networks and Synchronization (マクロ経済物理学:経済ネットワークと同期に関する新しい研究)   (Collaboration) 2017/07
2. Book The Economics of Interfirm Networks  pp.39-65 (Collaboration) 2015/06
3. Book Econophysics --- Physical Approach to Social and Economic Phenomena --- (経済物理学 --- 社会・経済現象への物理学的アプローチ ---)   (Collaboration) 2010/06
■ Academic background
1. 1981/04~1984/03 〔Doctorial Course〕 Physics Course, Graduate School, Division of Science, The University of Tokyo, Completed, PhD in Physics
■ Belonging society
1. The Physical Society of Japan
■ Main Subject
History of Physics