You are here

Fukushima Ryoki

Affiliation
Faculty of Pure and Applied Sciences
Official title
Associate Professor
ORCID
0000-0002-7582-6793
URL
Research fields
Basic analysis
Research keywords
Limit theorem
Analysis
Homogenization
Percolation
Large deviation
Random media
Disordered media
Stochastic process
Probability theory
Mathematics
Research projects
ランダム媒質中の確率過程の定量的研究2021 -- 2023福島 竜輝Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research(C)2,340,000Yen
ランダム媒質中の確率過程の定量的研究2021-04 -- 2024-03日本学術振興会/基盤研究(C)2,340,000Yen
Stochastic analysis and applications2012-01 -- 2014-01竹田雅好日本学術振興会/二国間交流事業(日独)400,000Yen
ランダム媒質における均質化と揺らぎの研究 (平成29年度分)2017-01 -- 2018-01Japan Society of for the Promotion of Science/基盤研究(C)1,430,000Yen
ランダム媒質における均質化と揺らぎの研究 (平成28年度分)2016-01 -- 2017-01Japan Society of for the Promotion of Science/基盤研究(C)1,300,000Yen
ランダム媒質中の確率過程 (平成27年度分)2015-01 -- 2016-01Japan Society of for the Promotion of Science/若手研究(B)780,000Yen
ランダム媒質中の確率過程2012-01 -- 2016-01Japan Society of for the Promotion of Science/若手研究(B)3,120,000Yen
ランダム媒質中の確率過程 (平成26年度分)2014-01 -- 2015-01Japan Society of for the Promotion of Science/若手研究(B)780,000Yen
ランダム媒質中の確率過程2012-01 -- 2015-01Japan Society of for the Promotion of Science/若手研究(B)780,000Yen
ランダム媒質中における局在現象の研究2010-01 -- 2011-01Japan Society of for the Promotion of Science/研究活動スタート支援2,509,000Yen
Degree
2008-07博士(理学)京都大学
2007-03修士(理学)京都大学
Licenses and qualifications
2020-11普通自動車免許
Academic societies
2008-04 -- (current)The Mathematical Society of Japan
Honors & Awards
2016-01Young Scientists' Prize for Science and Technology by MEXT
2009-01Inoue Research Award for Young Scientists
2009-01Takebe Prizes
Refereed academic journal/Refereed international conference paper
Other articles
  • Number of paths in oriented percolation as zero temperature limit of directed polymer
    福島 竜輝; Stefan Junk
    arXiv:2103.13687, 2021-03
  • Anomalous scaling regime for one-dimensional Mott variable-range hopping
    David Croydon; 福島 竜輝; Stefan Junk
    arXiv:2010.01779, 2020-10
  • Non-Markov property of certain eigenvalue processes analogous to Dyson's model
    Ryoki Fukushima; Atsushi Tanida; Kouji Yano
    Probabilistic approach to geometry/57/p.119, 2010-01
Books
  • 第Ⅱ部第11.2節
    福島 竜輝
    確率論ハンドブック, 丸善出版, 2012-07
  • 「ランダム作用素」
    福島 竜輝
    月刊誌「数理科学」, サイエンス社, 2016-06
Conference, etc.
  • Biased random walk conditioned on survival among Bernoulli obstacles: subcritical phase
    福島 竜輝
    日本数学会年会/2021-03-15
  • Geometry of the random walk range conditioned on survival among Bernoulli obstacles
    福島 竜輝
    日本数学会年会/2021-03-15
  • Quenched tail estimate for the random walk in random scenery II
    福島 竜輝
    日本数学会年会/2021-03-15
  • Frenkel欠陥を持つ結晶中でのBrown運動の生存確率
    福島竜輝
    確率論と統計物理 / 京都大学/2008-03-01
  • Frenkel欠陥を表すポテンシャルに対するFeynman-Kac汎関数の漸近挙動
    福島竜輝
    大規模相互作用系の確率解析 / 東京大学/2008-11-01
  • Parabolic Anderson problems with randomly located potentials
    福島竜輝
    数理物理学若手セミナー/2009-02-01
  • ランダムポテンシャル中の拡散過程
    福島竜輝
    2009年度秋季総合分科会(統計数学分科会特別講演) / 大阪大学/2009-09-01
  • On exponential growth for a certain class of linear systems
    福島竜輝
    ランダム作用素のスペクトルと関連する話題/2010-12-09
  • Second order asymptotics for the Pastur tail
    福島竜輝
    ランダム作用素のスペクトルと関連する話題/2010-12-09
  • 大偏差原理の基本の“き”
    福島竜輝
    城崎新人セミナー / 城崎市民センター/2011-02-01
  • Anderson模型に関連する話題
    福島竜輝
    確率論シンポジウム/2012-12-01
  • On Poisson Anderson model with polynomially decaying single site potential
    福島竜輝
    スペクトル・散乱理論とその周辺/2012-12-01
  • ランダムウォークの局所時間の同時分布とLaplace原理への応用
    福島竜輝
    確率論早春セミナー/2014-03-07
  • ランダム媒質における路の数え上げと最短経路に関する話題
    福島竜輝
    IMI-RIMS 共共拠点研究集会/2016-12-01
  • Asymptotics for the Wiener Sausage among Poissonian Obstacles
    福島竜輝
    Probability Theory and Related Topics/2006-11-01
  • Brownian survival among perturbed lattice traps
    福島竜輝
    6th Workshop on Stochastic Analysis on Large Scale Interacting Systems/2007-10-01
  • Brownian survival and Lifshitz tail in perturbed lattice disorder
    福島竜輝
    Random Processes and Systems/2009-02-01
  • Brownian survival and Lifshitz tail in a perturbed lattice disorder
    福島竜輝
    "Walkshop" 2009/2009-09-01
  • Second order asymptotics for Brownian motion among heavy tailed Poissonian potentials
    福島竜輝
    The 1st Crest-SBM International Conference ``Random Media'' / Tohoku University/2010-01-01
  • On exponential growth for a certain class of linear systems
    福島竜輝
    Universality and Scaling Limits in Probability and Statistical Mechanics/2010-09-01
  • Localization for Brownian motion in a heavy tailed Poissonian potential
    福島竜輝
    10th Workshop on Stochastic Analysis on Large Scale Interacting Systems/2011-12-01
  • Annealed Brownian motion in a heavy tailed Poissonian potentials
    福島竜輝
    School and Workshop on Random Polymers and Related Topics/2012-05-01
  • Localization for Brownian motion in a heavy tailed Poissonian potential
    福島竜輝
    11th Workshop on Stochastic Analysis on Large Scale Interacting Systems/2012-07-01
  • Annealed Brownian motion in a heavy tailed Poissonian potential
    福島竜輝
    German-Japanese workshop on Stochastic Analysis and Applications/2012-09-26
  • On exponential growth for a certain class of linear systems
    福島竜輝
    Markov chains on graphs and related topics/2013-02-01
Teaching
2021-04 -- 2021-08Research in Analysis IIIBUniversity of Tsukuba.
2021-04 -- 2021-08Research in Analysis IIBUniversity of Tsukuba.
2021-10 -- 2022-02Research in Analysis IAUniversity of Tsukuba.
2021-04 -- 2021-08Research in Analysis VAUniversity of Tsukuba.
2021-10 -- 2022-02Research in Analysis IIAUniversity of Tsukuba.
2021-04 -- 2021-08Research in Analysis VBUniversity of Tsukuba.
2021-04 -- 2021-08Seminar on MathematicsUniversity of Tsukuba.
2021-10 -- 2022-02Seminar on MathematicsUniversity of Tsukuba.
2021-10 -- 2022-02Research in Analysis IVBUniversity of Tsukuba.
2021-04 -- 2021-08Research in Analysis IVBUniversity of Tsukuba.
Professional activities
2020-01 -- 2023-12Bernoulli Society for Mathematical Statistics and ProbabilityEast Asian and Pacific Regional Committee
2020-01 -- 2023-12Bernoulli Society for Mathematical Statistics and ProbabilityCommittee for Conferences on Stochastic Processes
2020-03 -- 2022-02The Mathematical Society of Japan統計数学分科会運営委員
University Management
2020-04 -- 2021-03障害学生支援に係るダイバーシティ・アクセシビリティ担当教員

(Last updated: 2021-08-20)