Evolutionary Dynamics of GAs in Dynamical Environment and Neutrality

• Project/Area Number: 22700241
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Sensitivity informatics/Soft computing
• Research Institution: Setsunan University
• Principal Investigator: KATADA Yoshiaki 摂南大学, 理工学部, 准教授 (30411705)
• Project Period (FY): 2010 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000); Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
• Keywords: 遺伝アルゴリズム / 動的環境 / 進化論的計算 / ソフトコンピューティング / 進化計算 / 遺伝的アルゴリズム

Research Abstract

Biological organisms have various mechanisms of coping with the dynamical environments in which they live. Recent papers in computational biology show that individuals reside in deferent regions of neutral networks according to environmental variation. This work investigated evolutionary dynamics of GAs in dynamical environments with neutrality using a simple model. The evolutionary dynamics observed were consistent with those observed in the experiments of biological evolution, confirming that the genotype distributions change depending on the rates of environmental variationas well as mutation.

Research Products

• [Journal Article] Evolutionary Dynamics of GAs in a Simple Model with Dynamical Environment and Neutrality (2011)
  • Author(s): Yoshiaki Katada
  • Journal Title: Proceedings of the European Conference on Artificial Life Pages: 388-395
  • NAID: 130004965148
  • Peer Reviewed
• [Presentation] Evolutionary Dynamics of GAs in a Simple Model with Dynamical Environment and Neutrality (2011)
  • Author(s): Yoshiaki Katada
  • Organizer: European Conference on Artificial Life (ECAL 2011)
  • Place of Presentation: フランス・パリ
  • Year and Date: 2011-08-09
• [Presentation] 中立性を含む動的環境モデルにおけるGAの進化ダイナミクス (2010)
  • Author(s): 片田喜章
  • Organizer: 人工知能学会第4回進化計算フロンティア研究会
  • Place of Presentation: 東京工業大学大岡山キャンパス
  • Year and Date: 2010-06-04
• [Presentation] 中立性を含む動的環境モデルにおけるGA の進化ダイナミクス (2010)
  • Author(s): 片田喜章
  • Organizer: 人工知能学会 第4回進化計算フロンティア研究会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2010-06-04
• [Remarks]
  • URL: http://www.setsunan.ac.jp/~katada/jindex.html