2012 Fiscal Year Final Research Report
Structure, Statistics and Dynamics of Complex Systems
| Project/Area Number |
22540399
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Mathematical physics/Fundamental condensed matter physics
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| Research Institution | Meiji University (2012)
Chuo University (2010-2011) |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
YAMAZAKI Yoshihiro 早稲田大学, 理工学部, 教授 (10349227)
KUNINAKA Hiroto 三重大学, 教育学部, 准教授 (70402766)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 複雑系 / バクテリアコロニー / ゲル内結晶成長 / 対数正規分布 / 社会物理学 / フラクタル |
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| Research Abstract |
We have mainly studied three topics on structural, statistical and dynamical properties commonly seen in various complex systems in nature and our society. 1. We have studied characteristic structure and growth dynamics of colonies of various bacterial species. 2. We have elucidated that in complex systems in general, fundamental distribution is log-normal. We have shown many examples of lognormal distributions in various sociological phenomena and tried to explain their sociological meaning. 3. Concerning the WMAP data on cosmic microwave background (CMB), we have first considered the temperature fluctuations as topographical variation and found the fractal properties.
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