Understanding the function and effect of randomness in probabilistic algorithms
| Project/Area Number |
25700002
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Partial Multi-year Fund |
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| Research Field |
Theory of informatics
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| Research Institution | Kyushu University |
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Principal Investigator |
Kijima Shuji 九州大学, システム情報科学研究科(研究院, 准教授 (70452307)
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| Project Period (FY) |
2013-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Keywords | アルゴリズム理論 / 離散構造 / マルコフ連鎖 / 脱乱択化 |
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| Outline of Final Research Achievements |
Motivated by the question if randomness is really necessary for computing, this research project has investigated the theory of designing randomized algorithms and has developed new technology for derandomization. For the purpose, this project has also investigated the random structures and discrete structures. Concerning the technology of derandomization, we have designed some deterministic random walks and gave analyses on them developing new techniques. Beyond the plan, we have also developed a deterministic algorithm for some symmetry breaking in distributed autonomous robots, which implies that some randomness for symmetric breaking is possible to be replaced.
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Report
(5 results)
Research Products
(60 results)
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[Presentation] 格子上の単純経路数の下界について2016
Author(s)
河本和也，山内由紀子, 来嶋秀治, 山下雅史
Organizer
日本OR学会九州支部 第7回若手OR研究交流会
Place of Presentation
福岡工業大学 FITセミナーハウス
Year and Date
2016-10-29
Related Report
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[Presentation] On the reconstruction of Laman graphs2015
Author(s)
Kenichi Tamatani, Yukiko Yamauchi, Shuji Kijima, Masafumi Yamashita
Organizer
The 9th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications
Place of Presentation
九州大学西新プラザ（福岡県・福岡市）
Year and Date
2015-06-02
Related Report
Int'l Joint Research
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[Presentation] 乱択アルゴリズム2014
Author(s)
来嶋 秀治
Organizer
九州大学テクノロジーフォーラム2014
Place of Presentation
東京国際フォーラム
Year and Date
2014-12-03
Related Report
Invited
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[Presentation] 確率と計算
Author(s)
来嶋 秀治
Organizer
最適化の理論と応用第5回研究会
Place of Presentation
東京大学
Related Report
Invited
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[Presentation] 確率と計算
Author(s)
来嶋 秀治
Organizer
組合せ最適化セミナー
Place of Presentation
京都大学
Related Report
Invited
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[Presentation] Parity longest cycle problem
Author(s)
Hiroshi Nishiyama, Yukiko Yamauchi, Shuji Kijima, Masafumi Yamashita
Organizer
The 16th Korea-Japan Joint Workshop on Algorithms and Computation
Place of Presentation
Suwon, Korea
Related Report
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