Fujiwara Hiroshi 藤原洋志

… Alternative Names

FUJIWARA Hiroshi 藤原洋志

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Researcher Number	80434893
Other IDs
Affiliation (Current)	2025: 信州大学, 学術研究院工学系, 教授
Affiliation (based on the past Project Information) *help	2025: 信州大学, 学術研究院工学系, 教授 2023: 信州大学, 学術研究院工学系, 教授 2014 – 2022: 信州大学, 学術研究院工学系, 准教授 2014 – 2015: 信州大学, 工学部, 准教授 2011 – 2013: 豊橋技術科学大学, 工学(系)研究科(研究院), 助教 2008 – 2009: Toyohashi University of Technology, 工学部, 助教 2007: Kwansei Gakuin University, 理工学研究科, 博士研究員
Review Section/Research Field	Principal Investigator Fundamental theory of informatics / Basic Section 60010:Theory of informatics-related / Basic Section 60020:Mathematical informatics-related / Mathematical informatics Except Principal Investigator Theory of informatics / Basic Section 60010:Theory of informatics-related / Fundamental theory of informatics
Keywords	Principal Investigator 情報基礎 / アルゴリズム / 数理工学 / オンライン最適化 / 応用数学 / 最適化 / モデル化 / 数理計画法 / 木 / 組合せ最適化 … More / ゲーム理論 / データ構造 / オペレーションズ・リサーチ / 金融工学 / アルゴリズム理論 … More Except Principal Investigator 辺支配集合問題 / 近似アルゴリズム / 辺支配集合 / 頂点除去問題 / アルゴリズム / 有向グラフ / 弦グラフ / 連結頂点被覆 / 恒久的被覆問題 / power被覆 / 次数制限除去問題 / bマッチング / 近似保証 / 組合せ最適化問題 / 準線形時間アルゴリズム / アルゴリズム設計論 / 迂回度 / 要節点 / 恒久的連結辺支配集合問題 / 恒久的辺支配集合問題 / 帰還点集合問題 / 部分頂点被覆問題 / パワー頂点被覆問題 / 理論保証 / パス頂点被覆 / 制限次数除去問題 / 最小ヒント数問題 / 立体ピクロス / Power Vertex Cover / Power頂点被覆 / 頂点被覆問題 / NP困難問題 / 競合比 / オンラインアルゴリズム / スキーレンタル問題 / 初等的二部グラフ / 頂点被覆数 / 最適二分木 / ハフマン符号化 / 頂点被覆 / 分散アルゴリズム / 連結辺支配集合 / 多重辺支配集合 / 組合せ最適化 / オンライン問題 / 近似的最小最大関係 / 木被覆問題 / シュタイナー木問題 / 競合比解析 Less

ビンパッキング問題の新展開Principal Investigator
- Principal Investigator
  
  藤原洋志
- Project Period (FY)
  2025 – 2029
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60010:Theory of informatics-related
- Research Institution
  Shinshu University
準線形時間アルゴリズムの設計理論に関する研究
- Principal Investigator
  
  藤戸敏弘
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60010:Theory of informatics-related
- Research Institution
  Toyohashi University of Technology
New Development in the Design of Performance Guarantee Algorithms Powered by Mathematical OptimizationPrincipal Investigator
- Principal Investigator
  
  藤原洋志
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60020:Mathematical informatics-related
- Research Institution
  Shinshu University
A Study on Performance Guarantee for Algorithmic Processing of Large Scale Data
- Principal Investigator
  
  Fujito Toshihiro
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Theory of informatics
- Research Institution
  Toyohashi University of Technology
Studies on Online Optimization Problems on the Basis of Mathematical OptimizationPrincipal Investigator
- Principal Investigator
  
  Fujiwara Hiroshi
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical informatics
- Research Institution
  Shinshu University
A Study on Algorithm Designs for Processing Large Scale Sequential Data
- Principal Investigator
  
  Fujito Toshihiro
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Theory of informatics
- Research Institution
  Toyohashi University of Technology
Developing Algorithm Designs for Large Scale Combinatorial Optimization Problems
- Principal Investigator
  
  FUJITO TOSHIHIRO
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Toyohashi University of Technology
Studies on Algorithms for Generalized Tree Construction ProblemsPrincipal Investigator
- Principal Investigator
  
  FUJIWARA Hiroshi
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Shinshu University
  Toyohashi University of Technology
Studies on Online Optimization Problems with the Concept of Utility FunctionPrincipal Investigator
- Principal Investigator
  
  FUJIWARA Hiroshi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Toyohashi University of Technology
  Kwansei Gakuin University

[Book] 世界標準MIT教科書 Python言語によるプログラミングイントロダクション第3版2023
- Author(s)
  John V. Guttag、久保幹雄、麻生敏正、木村泰紀、小林和博、斉藤佳鶴子、関口良行、鄭金花、並木誠、兵藤哲朗、藤原洋志、古木友子
- Total Pages
  504
- Publisher
  近代科学社
- ISBN
  9784764906464
- Data Source
  KAKENHI-PROJECT-20K11689
[Book] 世界標準MIT教科書　Python言語によるプログラミングイントロダクション第２版2017
- Author(s)
  ジョン V グッターク、久保幹雄、麻生敏正、木村泰紀、小林和博、斉藤佳鶴子、関口良行、鄭金花、並木誠、兵藤哲朗、藤原洋志
- Total Pages
  416
- Publisher
  近代科学社
- ISBN
  9784764905184
- Data Source
  KAKENHI-PROJECT-16K00033
[Book] Encyclopedia of Algorithms2015
- Author(s)
  Hiroshi Fujiwara and Koji M. Kobayashi
- Publisher
  Springer
- Data Source
  KAKENHI-PROJECT-23700014
[Book] Python言語によるプログラミングイントロダクション: 世界標準MIT教科書2014
- Author(s)
  John V. Guttag (原著), 久保幹雄 (監修, 翻訳), 麻生敏正 (翻訳), 木村泰紀 (翻訳), 小林和博 (翻訳), 関口良行 (翻訳), 並木誠 (翻訳), 藤原洋志 (翻訳)
- Total Pages
  323
- Publisher
  近代科学社
- Data Source
  KAKENHI-PROJECT-23700014
[Journal Article] Best Possible Algorithms for One-Way Trading with Only the Maximum Fluctuation Ratio Available2024
- Author(s)
  FUJIWARA Hiroshi、HIRAO Keiji、YAMAMOTO Hiroaki
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E107.D Issue: 3 Pages: 278-285
- DOI
  10.1587/transinf.2023FCP0002
- ISSN
  0916-8532, 1745-1361
- Year and Date
  2024-03-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] Optimal Online Bin Packing Algorithms for Some Cases with Two Item Sizes2023
- Author(s)
  FUJIWARA Hiroshi、KAWAGUCHI Masaya、TAKIZAWA Daiki、YAMAMOTO Hiroaki
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E106.A Issue: 9 Pages: 1100-1110
- DOI
  10.1587/transfun.2022DMP0008
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2023-09-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] Data Gathering Method with High Accuracy of Environment Recognition Using Mathematical Optimization in Packet-Level Index Modulation2023
- Author(s)
  MIYAMOTO Ryuji、TAKYU Osamu、FUJIWARA Hiroshi、ADACHI Koichi、OHTA Mai、FUJII Takeo
- Journal Title
  
  IEICE Trans. Commun.
  
  Volume: E106.B Issue: 12 Pages: 1337-1349
- DOI
  10.1587/transcom.2023CEP0009
- ISSN
  0916-8516, 1745-1345
- Year and Date
  2023-12-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689, KAKENHI-PROJECT-21H01322
[Journal Article] Parallelization on a Minimal Substring Search Algorithm for Regular Expressions2023
- Author(s)
  OBE Yosuke、YAMAMOTO Hiroaki、FUJIWARA Hiroshi
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E106.D Issue: 5 Pages: 952-958
- DOI
  10.1587/transinf.2022EDP7105
- ISSN
  0916-8532, 1745-1361
- Year and Date
  2023-05-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] The Huffman Tree Problem with Upper-Bounded Linear Functions2022
- Author(s)
  Hiroshi Fujiwara, Yuichi Shirai, and Hiroaki Yamamoto
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E105.D Issue: 3 Pages: 474-480
- DOI
  10.1587/transinf.2021FCP0006
- NAID
  130008165587
- ISSN
  0916-8532, 1745-1361
- Year and Date
  2022-03-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] Substring Searchable Symmetric Encryption Based on an Improved DAWG2022
- Author(s)
  YAMAMOTO Hiroaki、ODA Ryosuke、WACHI Yoshihiro、FUJIWARA Hiroshi
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E105.A Issue: 12 Pages: 1578-1590
- DOI
  10.1587/transfun.2021EAP1122
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2022-12-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689, KAKENHI-PROJECT-20K11808
[Journal Article] Online Removable Knapsack Problem for Integer-Sized Unweighted Items2022
- Author(s)
  FUJIWARA Hiroshi、HANJI Kanaho、YAMAMOTO Hiroaki
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E105.A Issue: 9 Pages: 1195-1202
- DOI
  10.1587/transfun.2021DMP0013
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2022-09-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] Configurable pixelated skyrmions on nanoscale magnetic grids2021
- Author(s)
  Zhang Xichao、Xia Jing、Shirai Keiichiro、Fujiwara Hiroshi、Tretiakov Oleg A.、Ezawa Motohiko、Zhou Yan、Liu Xiaoxi
- Journal Title
  
  Communications Physics
  
  Volume: 4 Issue: 1 Pages: 1-9
- DOI
  10.1038/s42005-021-00761-7
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05490, KAKENHI-PROJECT-21H01364, KAKENHI-PROJECT-20F20363, KAKENHI-PROJECT-20K11689
[Journal Article] A New Finite Automata Construction Using a Prefix and a Suffix of Regular Expressions2021
- Author(s)
  Hiroaki Yamamoto, Hiroshi Fujiwara
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E104.D Issue: 3 Pages: 381-388
- DOI
  10.1587/transinf.2020FCP0010
- NAID
  130007993136
- ISSN
  0916-8532, 1745-1361
- Year and Date
  2021-03-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K00183, KAKENHI-PROJECT-20K11689, KAKENHI-PROJECT-16K00033
[Journal Article] Asymptotic Approximation Ratios for Certain Classes of Online Bin Packing Algorithms2021
- Author(s)
  Hiroshi Fujiwara, Yuta Wanikawa, and Hiroaki Yamamoto
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E104.D Issue: 3 Pages: 362-369
- DOI
  10.1587/transinf.2020FCP0004
- NAID
  130007993185
- ISSN
  0916-8532, 1745-1361
- Year and Date
  2021-03-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689, KAKENHI-PROJECT-16K00033
[Journal Article] Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication2021
- Author(s)
  Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara, Takeo Fujii, and Tomoaki Ohtsuki
- Journal Title
  
  IEICE Trans. Commun.
  
  Volume: E104.B Issue: 10 Pages: 1249-1259
- DOI
  10.1587/transcom.2020DSP0005
- NAID
  130008095524
- ISSN
  0916-8516, 1745-1345
- Year and Date
  2021-10-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] Algorithm NextFit for the Bin Packing Problem2021
- Author(s)
  Hiroshi Fujiwara, Ryota Adachi, and Hiroaki Yamamoto
- Journal Title
  
  Formalized Mathematics
  
  Volume: Vol. 29, No. 3 Issue: 3 Pages: 141-151
- DOI
  10.2478/forma-2021-0014
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] Analysis of Lower Bounds for Online Bin Packing with Two Item Sizes2021
- Author(s)
  Hiroshi Fujiwara, Ken Endo, and Hiroaki Yamamoto
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 9 Pages: 1127-1133
- DOI
  10.1587/transfun.2020DMP0007
- NAID
  130008081868
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-09-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11689
[Journal Article] Dynamic Programming for the Subset Sum Problem2020
- Author(s)
  Hiroshi Fujiwara, Hokuto Watari, and Hiroaki Yamamoto
- Journal Title
  
  Formalized Mathematics
  
  Volume: Vol. 28, No. 1 Issue: 1 Pages: 89-92
- DOI
  10.2478/forma-2020-0007
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11689, KAKENHI-PROJECT-16K00033
[Journal Article] ONE-WAY TRADING PROBLEMS VIA LINEAR OPTIMIZATION2020
- Author(s)
  Hiroshi Fujiwara, Naohiro Araki, and Hiroaki Yamamoto
- Journal Title
  
  Journal of the Operations Research Society of Japan
  
  Volume: 63 Issue: 1 Pages: 1-30
- DOI
  10.15807/jorsj.63.1
- NAID
  130007792578
- ISSN
  0453-4514, 2188-8299
- Year and Date
  2020-01-31
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K00033
[Journal Article] Bounds for the Multislope Ski-Rental Problem2020
- Author(s)
  Hiroshi Fujiwara, Kei Shibusawa, Kouki Yamamoto, and Hiroaki Yamamoto
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E103.D Issue: 3 Pages: 481-488
- DOI
  10.1587/transinf.2019FCP0001
- NAID
  130007804168
- ISSN
  0916-8532, 1745-1361
- Year and Date
  2020-03-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K00033
[Journal Article] Online Weight Balancing on the Unit Circle2016
- Author(s)
  Hiroshi Fujiwara, Takahiro Seki, and Toshihiro Fujito
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E99.D Issue: 3 Pages: 567-574
- DOI
  10.1587/transinf.2015FCP0006
- NAID
  130005131814
- ISSN
  0916-8532, 1745-1361
- Language
  English
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-23700014
[Journal Article] Online Weight Balancing on the Unit Circle2016
- Author(s)
  H. Fujiwara, T. Seki, T. Fujito
- Journal Title
  
  IEICE Transactions on Information and Systems
  
  Volume: E99-D Pages: 567-574
- NAID
  130005131814
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26330010
[Journal Article] Competitive Analysis for the Flat-Rate Problem2016
- Author(s)
  Hiroshi Fujiwara, Atsushi Matsuda, and Toshihiro Fujito
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E99.D Issue: 3 Pages: 559-566
- DOI
  10.1587/transinf.2015FCP0005
- NAID
  130005131810
- ISSN
  0916-8532, 1745-1361
- Language
  English
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-23700014, KAKENHI-PROJECT-26330010
[Journal Article] Competitive Analysis for the 3-Slope Ski-Rental Problem with the Discount Rate2016
- Author(s)
  Hiroshi Fujiwara, Shunsuke Satou, and Toshihiro Fujito
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E99.A Issue: 6 Pages: 1075-1083
- DOI
  10.1587/transfun.E99.A.1075
- NAID
  130005154229
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-16K00033, KAKENHI-PROJECT-26330010
[Journal Article] The Huffman Tree Problem with Unit Step Functions2015
- Author(s)
  H. Fujiwara, T. Nakamura, T. Fujito
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E98.A Issue: 6 Pages: 1189-1196
- DOI
  10.1587/transfun.E98.A.1189
- NAID
  130005071830
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26330010, KAKENHI-PROJECT-23700014
[Journal Article] On the Best Possible Competitive Ratio for the Multislope Ski-Rental Problem2014
- Author(s)
  Hiroshi Fujiwara, Takuma Kitano, and Toshihiro Fujito
- Journal Title
  
  Journal of Combinatorial Optimization (JOCO)
  
  Volume: Online ISSN 1573-2886 Issue: 2 Pages: 463-490
- DOI
  10.1007/s10878-014-9762-9
- NAID
  120007100502
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-23700014, KAKENHI-PROJECT-26330010
[Journal Article] Analysis of Lower Bounds for the Multislope Ski-Rental Problem2014
- Author(s)
  Hiroshi Fujiwara, Yasuhiro Konno, and Toshihiro Fujito
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E97.A Issue: 6 Pages: 1200-1205
- DOI
  10.1587/transfun.E97.A.1200
- NAID
  130004770849
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-23700014, KAKENHI-PROJECT-26330010
[Journal Article] Improved Lower Bounds for the Online Bin Packing Problem with Cardinality Constraints2013
- Author(s)
  H. Fujiwara, K. Kobayashi
- Journal Title
  
  Journal of Combinatorial Optimization
  
  Volume: Online ISSN 1573-2886 Issue: 1 Pages: 1-21
- DOI
  10.1007/s10878-013-9679-8
- NAID
  120007100503
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500014, KAKENHI-PROJECT-23700014
[Journal Article] On the Huffman and Alphabetic Tree Problem with General Cost Functions2013
- Author(s)
  Hiroshi Fujiwara and Tobias Jacobs
- Journal Title
  
  Algorithmica
  
  Volume: Online ISSN 1432-0541 Issue: 3 Pages: 582-604
- DOI
  10.1007/s00453-013-9755-6
- NAID
  120007100504
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700014
[Journal Article] Collision Probability in an In-Line Equipment Model under Erlang Distribution2013
- Author(s)
  Eishi Chiba, Hiroshi Fujiwara, Yoshiyuki Sekiguchi, and Toshihide Ibaraki
- Journal Title
  
  IEICE Trans. Inf. & Syst.
  
  Volume: E96.D Issue: 3 Pages: 400-407
- DOI
  10.1587/transinf.E96.D.400
- NAID
  10031167424
- ISSN
  0916-8532, 1745-1361
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700014
[Journal Article] An improved analysis of SRPT scheduling algorithm on the basis of functional optimization2012
- Author(s)
  Hiroshi Fujiwara, Yoshiyuki Sekiguchi
- Journal Title
  
  Information Processing Letters
  
  Volume: 112 Issue: 23 Pages: 911-915
- DOI
  10.1016/j.ipl.2012.08.009
- NAID
  120007100507
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740057, KAKENHI-PROJECT-23700014
[Journal Article] Average-Case Competitive Analyses for One-Way Trading2011
- Author(s)
  Hiroshi Fujiwara, Kazuo Iwama, and Yoshiyuki Sekiguchi
- Journal Title
  
  Journal of Combinatorial Optimization (JCO)
  
  Volume: Vol. 21, No. 1 Issue: 1 Pages: 83-107
- DOI
  10.1007/s10878-009-9239-4
- NAID
  120007100508
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700014
[Journal Article] On the Best Possible Competitive Ratio for Multislope Ski Rental2011
- Author(s)
  H. Fujiwara, T. Kitano, T. Fujito
- Journal Title
  
  Proc. 22nd ISAAC (International Symposium on Algorithms and Computation)
  
  Volume: 7074 Pages: 544-553
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500014
[Journal Article] Average-Case Competitive Analyses for One-Way Trading2009
- Author(s)
  Hiroshi Fujiwara, Kazuo Iwama, Yoshiyuki Sekiguchi
- Journal Title
  
  Journal of Combinatorial Optimization (JOCO)
  
  Pages: 25-25
- NAID
  120007100508
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19700015
[Journal Article] Online Chasing Problems for Regular Polygons2008
- Author(s)
  Hiroshi Fujiwara
- Journal Title
  
  Information Processing Letters (IPL) 108
  
  Pages: 155-159
- NAID
  110006404233
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19700015
[Journal Article] Online Chasing Problems for Regular Polygons2008
- Author(s)
  Hiroshi Fujiwara, Kazuo Iwama, Kouki Yonezawa
- Journal Title
  
  Information Processing Letters (IPL) Volume108
  
  Pages: 155-159
- NAID
  110006404233
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19700015
[Journal Article] Average-Case Competitive Analyses for One-Way Trading2008
- Author(s)
  Hiroshi Fujiwara, Kazuo Iwama, Yoshiyuki Sekiguchi
- Journal Title
  
  Proceedings of the 14th Annual International Computing and Combinatorics Conference (COCOON2008) LNCS5092
  
  Pages: 41-51
- NAID
  120007100508
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19700015
[Journal Article] Energy-Efficient Algorithms for Flow Time Minimization2007
- Author(s)
  Susanne Albers, Hiroshi Fujiwara
- Journal Title
  
  ACM Transactions on Algorithms (TALG) Vol.3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] チェイングラフにおける最大マッチング列挙法2024
- Author(s)
  鎌田陽成, 藤原洋志
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 安全な正規表現検索に向けた検索可能暗号2024
- Author(s)
  外山歩, 山本博章, 藤原洋志
- Organizer
  暗号と情報セキュリティシンポジウム (SCIS2024)
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Graphillion を用いたどうぶつしょうぎと Hex の解析2024
- Author(s)
  青木一敬, 藤原洋志
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] ボール収集問題における極大パレート最適集合を計算するアルゴリズムの改良と拡張2024
- Author(s)
  藤原洋志
- Organizer
  列挙アルゴリズムセミナー
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] トークンジャンプモデルにおける独立集合の遷移グラフ2024
- Author(s)
  佐野雅弥, 藤原洋志
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] ビンパッキング遷移問題の計算複雑性の検討2023
- Author(s)
  平林可意, 藤原洋志, 川原純, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] ビンパッキング問題に対する最大最小近似アルゴリズム2023
- Author(s)
  渥美里菜, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 整数計画法による敷地の除雪の最適化2023
- Author(s)
  宮嶋渓太, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Why3 によるビンパッキングアルゴリズムの検証2023
- Author(s)
  佐野雅弥, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 整数計画法を用いたバスのジョブ割当の最適化2023
- Author(s)
  青柳力, 藤原洋志, 宮島正彦, 植松誠, 山本博章
- Organizer
  日本オペレーションズ・リサーチ学会2023年秋季研究発表会
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 正規表現から有限オートマトンへの変換法の検討2023
- Author(s)
  藤本悠, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Online Removable Knapsack Problems with Generalized Item Removal Rules2023
- Author(s)
  Akimasa Kawasaka, Hiroshi Fujiwara, Ayana Sasada, and Hiroaki Yamamoto
- Organizer
  The 23rd Japan-Korea Joint Workshop on Algorithms and Computation (WAAC2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 上界付き線形関数に対するハフマン木問題を解く動的計画法2022
- Author(s)
  小林佳音, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Highly Efficient Information Collection Method by Trend Analysis of Sensor Information Using Event Position Estimation2022
- Author(s)
  Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, and Takeo Fujii
- Organizer
  IEICE ICETC
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] スタック型およびキュー型除去可能オンラインナップサック問題2022
- Author(s)
  笹田彩奈, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Mizarによるビンパッキングアルゴリズムの近似保証の形式化2022
- Author(s)
  藤原洋志, 足立良太, 前佑一郎, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] ビンパッキングの遷移におけるバッファ最小化問題2022
- Author(s)
  平林可意, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] バスの運行業務割当の数理的考察2022
- Author(s)
  青柳力, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Performance Evaluation of Highly Efficient Information Collection Methods by Trend Analysis of Sensor Information Using Pre-learning2022
- Author(s)
  Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, and Takeo Fujii
- Organizer
  2022 Thirteenth International Conference on Ubiquitous and Future Networks (ICUFN)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Optimal Index Design for Aggregation Accuracy inPacket Level Index Modulation2022
- Author(s)
  Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, and Takeo Fujii
- Organizer
  IEICE ICETC
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] ビンパッキング問題の遷移問題に関する研究2022
- Author(s)
  平林可意, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] キュー型除去可能オンラインナップサック問題2022
- Author(s)
  川坂彬真, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 3個詰めビンパッキング問題に対する最大最小近似アルゴリズム2021
- Author(s)
  渥美里菜, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 対戦取組の逐次作成における手詰まり回避の数理的考察2021
- Author(s)
  田中祐汰, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] MizarによるFirstFitビンパッキングアルゴリズムの形式化の検討2021
- Author(s)
  前佑一郎, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] ファクターオラクルを用いたコンパクトな全文検索索引の構築2021
- Author(s)
  佐藤明幸, 山本博章, 藤原洋志
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 対戦取組の逐次作成における手詰まり回避の数理的考察2021
- Author(s)
  田中祐汰, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 3個詰めビンパッキング問題に対する最大最小近似アルゴリズム2021
- Author(s)
  渥美里菜, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] アイテムサイズをあるクラスの2種類とする最適オンラインビンパッキングアルゴリズム2021
- Author(s)
  川口雅也, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] ファクターオラクルを用いたコンパクトな全文検索索引の構築2021
- Author(s)
  佐藤明幸, 山本博章, 藤原洋志
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] アイテムサイズをあるクラスの2種類とする最適オンラインビンパッキングアルゴリズム2021
- Author(s)
  川口雅也, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 過負荷Wireless MIMO Switchingにおける安全な情報交換の送信順序設計2020
- Author(s)
  高橋新, 田久修, 藤原洋志
- Organizer
  電子情報通信学会スマート無線研究会(SR)
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Construction of Selection-Scheduling of Accessing Node for High Efficiency Information Exchanging in Overloaded Wireless MIMO Switching2020
- Author(s)
  Arata Takahashi, Osamu Takyu, and Hiroshi Fujiwara
- Organizer
  The 11th International Conference on Information and Communication Technology Convergence (ICTC2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Online Removable Knapsack Problems for Integer-Sized Items2020
- Author(s)
  Kanaho Hanji, Hiroshi Fujiwara, and Hiroaki Yamamoto
- Organizer
  The 16th Annual Conference on Theory and Applications of Models of Computation (TAMC2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 線形計画法による最適オンラインビンパッキングアルゴリズムの設計2020
- Author(s)
  滝澤大生, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Construction of Selection-Scheduling of Accessing Node for High Efficiency Information Exchanging in Overloaded Wireless MIMO Switching2020
- Author(s)
  Arata Takahashi, Osamu Takyu, and Hiroshi Fujiwara
- Organizer
  The 11th International Conference on Information and Communication Technology Convergence (ICTC2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 正規表現検索に向けた検索可能暗号の提案2020
- Author(s)
  伊藤天啓, 山本博章, 藤原洋志
- Organizer
  2020年暗号と情報セキュリティシンポジウム (SCIS2020)
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 過負荷Wireless MIMO Switchingにおける安全な情報交換の送信順序設計2020
- Author(s)
  高橋新, 田久修, 藤原洋志
- Organizer
  電子情報通信学会スマート無線研究会(SR)
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] Online Removable Knapsack Problems for Integer-Sized Items2020
- Author(s)
  Kanaho Hanji, Hiroshi Fujiwara, and Hiroaki Yamamoto
- Organizer
  The 16th Annual Conference on Theory and Applications of Models of Computation (TAMC2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11689
[Presentation] 二等辺三角形からのロボット避難問題2020
- Author(s)
  平尾圭児, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] ファクターオラクルを用いた部分文字列検索可能暗号2020
- Author(s)
  藤村享平, 山本博章, 藤原洋志
- Organizer
  2020年暗号と情報セキュリティシンポジウム (SCIS2020)
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] The Huffman Tree Problem with Linear Functions with Upper Bounds2019
- Author(s)
  Yuichi Shirai, Hiroshi Fujiwara, and Hiroaki Yamamoto
- Organizer
  The 22nd Japan Conference on Discrete and Computational Geometry, Graphs, and Games (JCDCGGG2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 整数アイテムサイズに対する除去可能オンラインナップサックアルゴリズム2019
- Author(s)
  判治奏帆, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 定数種類のアイテムに対するオンラインビンパッキングアルゴリズム2019
- Author(s)
  鰐川友太, 藤原洋志, 山本博章
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Mizarはじめました2019
- Author(s)
  藤原洋志
- Organizer
  列挙アルゴリズムセミナー
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Optimal Transmission Order of Information Exchange among Three Nodes through Relay with Two Antennas in Wireless MIMO Switching2019
- Author(s)
  Arata Takahashi, Osamu Takyu, and Hiroshi Fujiwara
- Organizer
  The 6th International Workshop on Smart Wireless Communications (SmartCom2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] pace-Efficient and Secure Substring Searchable Symmetric Encryption Using an Improved DAWG2019
- Author(s)
  Hiroaki Yamamoto, Yoshihiro Wachi, and Hiroshi Fujiwara
- Organizer
  The 13th International Conference on Provable and Practical Security (ProvSec2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Mizarによるビンパッキングアルゴリズムの性能証明の形式化2019
- Author(s)
  足立良太, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 整数計画法による対戦取組の逐次作成および数理的考察2019
- Author(s)
  戸島貫太, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] ファクターオラクルの拡張と文字列照合問題への応用2019
- Author(s)
  大井恒平, 和智吉弘, 山本博章, 藤原洋志
- Organizer
  冬のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Threat-Based Strategies for One-Way Trading with only the Maximum Fluctuation Ratio Available2018
- Author(s)
  藤原洋志
- Organizer
  列挙アルゴリズムセミナー
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Threat-Based Strategies for One-Way Trading with only the Maximum Fluctuation Ratio Available2018
- Author(s)
  Keiji Hirao, Hiroshi Fujiwara, and Hiroaki Yamamoto
- Organizer
  The 11th Annual Meeting of Asian Association for Algorithms and Computation (AAAC2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] ファクターオラクルの拡張と実験的評価2018
- Author(s)
  大井恒平, 山本博章, 藤原洋志
- Organizer
  第17回情報科学技術フォーラム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 並列処理に向けた検索可能暗号の改良2018
- Author(s)
  三好竜司, 山本博章, 藤原洋志
- Organizer
  電子情報通信学会信越支部大会
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 2個詰めビンパッキング問題の最適解と列挙2018
- Author(s)
  所澤亮太, 土屋寿樹, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 非減少関数に対するハフマン木問題を解く動的計画法2017
- Author(s)
  鰐川友太, 藤原洋志, 山本博章
- Organizer
  夏のLAシンポジウム
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Lower Bounds for Online Bin Packing with Two Item Sizes2017
- Author(s)
  Ken Endo, Hiroshi Fujiwara, and Hiroaki Yamamoto
- Organizer
  The 10th Annual Meeting of Asian Association for Algorithms and Computation (AAAC2017)
- Place of Presentation
  香港科技大学（中国）
- Year and Date
  2017-05-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Practical and Secure Searchable Symmetric Encryption with a Small Index2017
- Author(s)
  Ryuji Miyoshi, Hiroaki Yamamoto, Hiroshi Fujiwara, and Takashi Miyazaki
- Organizer
  The 22nd Nordic Conference on Secure IT Systems (NORDSEC2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] 通貨交換問題と線形計画法2017
- Author(s)
  藤原洋志
- Organizer
  列挙アルゴリズムセミナー
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] Pythonのジェネレータ関数2016
- Author(s)
  藤原洋志
- Organizer
  列挙アルゴリズムセミナー
- Place of Presentation
  群馬大学伊香保研修所（群馬県）
- Year and Date
  2016-10-12
- Data Source
  KAKENHI-PROJECT-16K00033
[Presentation] ビンパッキング問題2015
- Author(s)
  藤原洋志
- Organizer
  日本オペレーションズ・リサーチ学会中部支部講演会
- Place of Presentation
  愛知県立大学サテライトキャンパス
- Year and Date
  2015-12-19
- Invited
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] An Algorithm for the Huffman Tree Problem with Unit Step Functions2015
- Author(s)
  Hiroshi Fujiwara, Takuya Nakamura, and Toshihiro Fujito
- Organizer
  The 8th Annual Meeting of Asian Association for Algorithms and Computation (AAAC2015)
- Place of Presentation
  安芸グランドホテル（広島県廿日市市）
- Year and Date
  2015-05-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] An Algorithm for the Huffman Tree Problem with Unit Step Functions2015
- Author(s)
  H. Fujiwara
- Organizer
  The 8th Annual Meeting of Asian Association for Algorithms and Computation
- Place of Presentation
  Miyajima, Hiroshima, Japan
- Year and Date
  2015-05-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330010
[Presentation] Online Weight Balancing on the Unit Circle2013
- Author(s)
  Hiroshi Fujiwara, Takahiro Seki, and Toshihiro Fujito
- Organizer
  The 16th Japan Conference on Discrete and Computational Geometry and Graphs (JCDCGG2013)
- Place of Presentation
  東京理科大
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] スキーレンタル問題とオンライン最適化2013
- Author(s)
  藤原洋志
- Organizer
  「文部科学省委託事業数学協働プログラム」最適化ワークショップ: 拡がっていく最適化
- Place of Presentation
  九州大学伊都キャンパスマス・フォア・インダストリ研究所
- Invited
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] Improved Lower Bounds for the Online Bin Packing Problem with Cardinality Constraints2013
- Author(s)
  Hiroshi Fujiwara and Koji Kobayashi
- Organizer
  The 19th Annual International Computing and Combinatorics Conference (COCOON2013)
- Place of Presentation
  中国、杭州、浙江大学
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] Improved Lower Bounds for the Bin Packing Problem with Cardinality Constraints2013
- Author(s)
  Hiroshi Fujiwara and Koji Kobayashi
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  休暇村志賀島
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] Lower Bounds for the Multislope Ski-Rental Problem2013
- Author(s)
  Hiroshi Fujiwara, Yasuhiro Konno, and Toshihiro Fujito
- Organizer
  The 11th International Symposium on Operations Research and its Applications (ISORA2013)
- Place of Presentation
  中国、安徽省、黄山
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 円周上へのアイテム配置問題2012
- Author(s)
  藤原洋志
- Organizer
  列挙アルゴリズムセミナー
- Place of Presentation
  群馬大学伊香保研修所
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] Solving the Infinite-Slope Ski Rental via Functional Analysis2012
- Author(s)
  Hiroshi Fujiwara
- Organizer
  The 5th Annual Meeting of the Asian Association for Algorithms and Computation (AAAC2012)
- Place of Presentation
  中国、上海、復旦大学
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 携帯パケット通信料問題に対するオンラインアルゴリズム2012
- Author(s)
  松田淳志, 藤原洋志, 藤戸敏弘
- Organizer
  電気関係学会東海支部連合大会
- Place of Presentation
  豊橋技術科学大学
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] On the Best Possible Competitive Ratio for Multislope Ski Rental2012
- Author(s)
  Hiroshi Fujiwara, Takuma Kitano, and Toshihiro Fujito
- Organizer
  The 22nd International Symposium on Algorithms and Computation (ISAAC2011)
- Place of Presentation
  ワークピア横浜
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 携帯パケット通信料問題に対するオンラインアルゴリズム2012
- Author(s)
  松田淳志, 藤原洋志, 藤戸敏弘
- Organizer
  電気関係学会東海支部連合大会
- Place of Presentation
  豊橋技術科学大学
- Data Source
  KAKENHI-PROJECT-23500014
[Presentation] On the Best Possible Competitive Ratio for Multislope Ski Rental2012
- Author(s)
  Hiroshi Fujiwara
- Organizer
  電子科技大学計算機学院学者論壇
- Place of Presentation
  中国、成都、電子科技大学
- Invited
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 携帯パケット通信料問題に対するオンラインアルゴリズム2011
- Author(s)
  松田淳志, 藤原洋志, 藤戸敏弘
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  ザヴィラ浜名湖
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 関数最適化に基づくアルゴリズムの性能解析2011
- Author(s)
  藤原洋志, 関口良行
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  ザヴィラ浜名湖
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 単位円周上におけるアイテム配置問題2011
- Author(s)
  関孝洋, 藤原洋志, 藤戸敏弘
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  ザヴィラ浜名湖
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 携帯パケット通信料問題に対するオンラインアルゴリズム2011
- Author(s)
  松田淳志，藤原洋志, 藤戸敏弘
- Organizer
  夏のLA シンポジウム
- Place of Presentation
  ザヴィラ浜名湖
- Data Source
  KAKENHI-PROJECT-23500014
[Presentation] 単位円周上に対するアイテム配置問題2011
- Author(s)
  関孝洋，藤原洋志, 藤戸敏弘
- Organizer
  夏のLA シンポジウム
- Place of Presentation
  ザヴィラ浜名湖
- Data Source
  KAKENHI-PROJECT-23500014
[Presentation] スキーレンタル問題について2009
- Author(s)
  藤原洋志
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  かんぽの宿松島(宮城県東松島市)
- Year and Date
  2009-07-24
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] 無限状態スキーレンタル問題2009
- Author(s)
  藤原洋志
- Organizer
  日本オペレーションズ・リサーチ学会研究部会『若手によるOR横断研究』
- Place of Presentation
  関西大学飛鳥文化研究所(奈良県高市郡明日香村)
- Year and Date
  2009-10-12
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] 一方向通貨交換問題に対する平均評価2008
- Author(s)
  藤原洋志
- Organizer
  日本オペレーションズ・リサーチ学会「若手によるOR横断研究」研究部会
- Place of Presentation
  関西大学飛鳥文化研究所(奈良県高市郡明日香村)
- Year and Date
  2008-10-11
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] "オフライン・オンライン混合ジョブスケジューリング問題に対するラグランジュ緩和法2008
- Author(s)
  畑伸弥, 藤原洋志, 茨木俊秀
- Organizer
  日本オペレーションズ・リサーチ学会2008年秋季研究発表会
- Place of Presentation
  札幌コンベンションセンター(札幌市)
- Year and Date
  2008-09-10
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] Average-Case Competitive Analyses for One-Way Trading2008
- Author(s)
  藤原洋志
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  国民休暇村南紀勝浦(和歌山県東牟婁郡那智勝浦町)
- Year and Date
  2008-07-22
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] Scheduling of Online and Offline Jobs on the Basis of Arrival Rate2008
- Author(s)
  Takeshi Ebina, Hiroshi Fujiwara, Toshihide Ibaraki
- Organizer
  The 4th Sino-Japanese Optimization Meeting (SJOM2008)
- Place of Presentation
  National Cheng-Kung University (台南、台湾)
- Year and Date
  2008-08-30
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] 一方向通貨交換問題に対する平均評価2008
- Author(s)
  藤原洋志
- Organizer
  日本オペレーションズ・リサーチ学会「若手によるOR横断研究」研究部会
- Place of Presentation
  関西大学飛鳥文化
- Year and Date
  2008-10-11
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] Average-Case Competitive Analyses for One-Way Trading2008
- Author(s)
  Hiroshi Fujiwara
- Organizer
  The 14^<th> Annual International Computing and Combinatorics Conference (COCOON2008)
- Place of Presentation
  Mercure Teda Hotel(大連、中国)
- Year and Date
  2008-06-27
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] オンライン・オフライン混合ジョブスケジューリング問題2007
- Author(s)
  藤原洋志
- Organizer
  ミニシンポジウム:新世代計算限界と地球環境問題
- Place of Presentation
  京都大学桂キャンパス
- Year and Date
  2007-12-05
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] Online Chasing Problems for Regular Polygons2007
- Author(s)
  Hiroshi Fujiwara
- Organizer
  情報処理学会アルゴリズム研究会(SIGAL)
- Place of Presentation
  豊橋技術科学大学
- Year and Date
  2007-09-21
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] 正多角形領域に対するオンライン追跡問題2007
- Author(s)
  藤原洋志
- Organizer
  組合せ論サマースクール
- Place of Presentation
  フェストーネ(宜野湾市)
- Year and Date
  2007-09-04
- Data Source
  KAKENHI-PROJECT-19700015
[Presentation] Improved Lower Bounds for the Bin Packing Problem with Cardinality Constraints
- Author(s)
  H. Fujiwara, K. Kobayashi
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  福岡県福岡市休暇村志賀島
- Data Source
  KAKENHI-PROJECT-23500014
[Presentation] 円周n等分点への質点配置問題
- Author(s)
  藤原洋志
- Organizer
  グレブナー若手集会
- Place of Presentation
  信州大学松本キャンパス
- Year and Date
  2015-01-31 – 2015-02-02
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] 円周n等分点への質点配置問題
- Author(s)
  藤原洋志
- Organizer
  列挙アルゴリズムセミナー
- Place of Presentation
  群馬大学伊香保研修所
- Year and Date
  2015-03-05 – 2015-03-07
- Data Source
  KAKENHI-PROJECT-23700014
[Presentation] Lower Bounds for the Multislope Ski-Rental Problem
- Author(s)
  H. Fujiwara, Y. Konno, T. Fujito
- Organizer
  The 11th International Symposium on Operations Research and its Applications (ISORA2013)
- Place of Presentation
  中国、安徽省、黄山
- Data Source
  KAKENHI-PROJECT-23500014
[Presentation] Online Weight Balancing on the Unit Circle
- Author(s)
  H. Fujiwara, T. Seki, T. Fujito
- Organizer
  The 16th Japan Conference on Discrete and Computational Geometry and Graphs (JCDCGG2013)
- Place of Presentation
  東京理科大
- Data Source
  KAKENHI-PROJECT-23500014

1. FUJITO TOSHIHIRO (00271073)

# of Collaborated Projects: 4 results

# of Collaborated Products: 7 results
2. EZAWA Motohiko

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
3. SEKIGUCHI Yoshiyuki

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Fujiwara Hiroshi 藤原 洋志

FUJIWARA Hiroshi 藤原 洋志

Research Projects

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Co-Researchers

ビンパッキング問題の新展開Principal Investigator

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準線形時間アルゴリズムの設計理論に関する研究

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New Development in the Design of Performance Guarantee Algorithms Powered by Mathematical OptimizationPrincipal Investigator

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A Study on Performance Guarantee for Algorithmic Processing of Large Scale Data

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Studies on Online Optimization Problems on the Basis of Mathematical OptimizationPrincipal Investigator

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A Study on Algorithm Designs for Processing Large Scale Sequential Data

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Developing Algorithm Designs for Large Scale Combinatorial Optimization Problems

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Studies on Algorithms for Generalized Tree Construction ProblemsPrincipal Investigator

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Studies on Online Optimization Problems with the Concept of Utility FunctionPrincipal Investigator

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[Book] 世界標準MIT教科書 Python言語によるプログラミングイントロダクション第3版2023

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[Book] 世界標準MIT教科書 Python言語によるプログラミングイントロダクション第２版2017

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[Book] Encyclopedia of Algorithms2015

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[Book] Python言語によるプログラミングイントロダクション: 世界標準MIT教科書2014

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Fujiwara Hiroshi 藤原洋志

FUJIWARA Hiroshi 藤原洋志

[Book] 世界標準MIT教科書　Python言語によるプログラミングイントロダクション第２版2017