Recent Research Papers

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  1. (with Y. Nagahata) A Note on the Central Limit Theorem for a Class of Linear Systems,
    preprint, 2009, pdf
  2. (with Y. Nagahata) Localization for a Class of Linear Systems,
    preprint, 2009, pdf
  3. (with F. Comets) Branching Random Walks in Time-Space Random Environment: Survival Probability, Global and Local Growth Rates,
    preprint, 2009, pdf
  4. Localization for Linear Stochastic Evolutions,
    preprint, 2008, to appear in J. Stat. Phys. pdf
  5. (with Y. Nagahata) Central Limit Theorem for a Class of Linear Systems,
    Electron. J. Probab. Vol. 14, No. 34, 960--977. (2009). pdf
  6. (with Y. Hu) Localization for Branching Random Walks in Random Environment,
    Stoch. Proc. Appl. , Vol. 119, Issue 5, 1632--1651, (2009). pdf
  7. Phase Transitions for the Growth Rate of Linear Stochastic Evolutions,
    preprint, 2008, J. Stat. Phys. , 133 , No.6, 1033--1058, (2008). pdf
  8. Central Limit Theorem for Branching Random Walk in Random Environment,
    Ann. Appl. Probab., Vol. 18, No. 4, 1619--1635, 2008. pdf
  9. (with F. Comets) Directed Polymers in Random Environment are Diffusive at Weak Disorder,
    Ann. Probab. Vol. 34, No. 5, 1746--1770, 2006.
    ps.gz / pdf/
  10. (with F. Comets) Brownian directed polymers in random environment,
    Commun. Math. Phys. 54 , 257--287, no. 2. (2005).
    ps.gz/ pdf
  11. (with F. Comets) Some new results on Brownian directed polymers in random environment,
    RIMS Kokyuroku 1386 , 50--66, (2004).
    ps.gz / pdf/
  12. (with F. Comets and T. Shiga) Probabilistic analysis of directed polymers in random environment: a review,
    Advanced Studies in Pure Mathematics 39 115---142, (2004)
    ps.gz / pdf

List of all research papers

Lecture Notes

  1. 「ランダム媒質中のディレクティドポリマー」 数学 第 56 巻 第2号 2004 年 4 月 春期号 159--181 頁 pdf
  2. 「相転移と緩和現象」(サマースクール 数理物理 2001 での予稿) dvi
  3. A short course in probability 講義録(英文) pdf,
  4. (with Higuchi,Y.)Analytic conditions and phase transition for Ising models, (in Japanese) In: Seminar on Probability Vol. 58, 1--46, (1995). dvi

Selected Talks

  1. Power Law Fluids with Random Forcing. ( 大規模相互作用系の確率解析, October 9, 2009 at University of Tokyo). abstract, slides.
  2. Branching Random Walks in Random Environment: Survival Probability and Growth Rates, ( Topics on Random Media, September 15, 2009 at Kyoto University). slides.
  3. Continuous-Time Linear Systems. ( 統計力学の数学的理論. August 25, 2009 at Osaka Electro-Communication University.) Notes available.
  4. Linear Stochastic Evolutions, : Diffusive Behavior and Localization. ( Workshop on Interacting Particle Systems in honour of Professor T. Liggett's 65 th Birthday. June 19, 2009, at Peking University.)
  5. Phase Transitions for Linear Stochastic Evolutions, "Random Syetems and Processes" (February 18, 2009, Kyoto University).
  6. 「ランダム行列で記述される粒子系の相転移」 (2008 年 12月26日 東北大学、 「離散幾何学から提案する新物質創成と 物性発現の解明」キックオフシンポジウム.)
  7. 「ランダム行列で記述される粒子系の相転移」 (2008 年 12月16日 東京工業大学、 「確率論シンポジウム」).
  8. Branching Random Walks in Random Environment: Diffusive Behavior and Localization. (January 14, 2008, at Pontifica Universidad Catolica de Chile, "Workshop on Random Walks, Particle Systems and Random Media").
  9. Branching Random Walks in Random Environment: Diffusive Behavior and Localization. (2007 年 12月12日 熊本大学、 「確率論シンポジウム」).
  10. From Parabolic Anderson Models to Branching Random Walks in Random Environment. (2007 年 12月4日 京都大学 "Stochastic Problems and Nonlinear PDEs").
  11. Branching Random Walks in Random Environment: Diffusive Behavior and Localization. (October 26, 2007, at Nishijin Plaza, Kyusyu University, "Stochastic analysis of large interacting systems").
  12. Central limit theorem for branching random walks in random environment (May 22, 2007, at Oberwolfach "Non-classical interacting random walks").
  13. Branching random walk representation of directed polymers in random environment (2007 年 1月29日 東京工業大学、 「統計物理に関連する数学的話題」).
  14. Directed polymers in random environment (June 16, 2006, at Universite Nantes "EMS Mathematical Week-End").
  15. 「 ランダム媒質中のディレクティドポリマーについて」 (2006 年 3月26日 中央大学、 「日本数学会春期学会」)
  16. Directed polymers in random environment are diffusive at all subcritical tenperature. (September 30, 2005 at RIMS Kyoto "Some Recent Topics on Stochastic Models").
  17. Diffusivity of directed polymers in random environment. (January 31, 2005 at Osaka University Nakanoshima Center "The Fifth East Asia PDE Conference".)
  18. Large time behavior of directed polymers in random environment. (June 27, 2005 at Univ. of California, Santa Barbara, "30 th Stochastic Process and their Applications").
  19. Directed polymers in random environment are diffusive at all subcritical tenperature. (2004 年 12 月 8 日、名古屋大学、「確率論シンポジウム」)
  20. Brownian directed polymers in random environment, (August 31, 2004, at Oberwolfach "Large Scale Stochastic Dynamics").
  21. Localization transition for friendly walkers, (August 20, 2003 at Issac Newton Institute, Cambridge, "Random Walks in Random Environment") Preview
  22. Directed polymers in random environment, (July 24, 2002 at Shonan Village, "Stochastic Analysis on Large Scale Interacting Systems") dvi
  23. Log Sobolev inequalities for unbounded lattice spin systems (Notes for a seminar talk on May 21, 1999 at \'Ecole Polytechnique F\'ed\'erale de Lausanne) dvi
  24. The strong ergodicity for the stochastic dynamics of unbounded lattice spin systems (A note for a seminar talk on September 11, 1998 at Kyushu Univ..) dvi
  25. Log Sobolev inequalities for unbounded lattice spin systems (Notes for a seminar talk on Jun 4, 1998 at Institute Henri Poicare, Paris.) dvi
  26. A note on extremal invariant measures for a Markov process (A note for a seminar talk on May 13, 1998 at Kyoto Univ.) dvi
  27. A central limit theorem for the directed polymer (in Japanese) (A note for a seminar talk on February 6, 1998 at Kyoto Univ.) dvi
  28. Relaxation of kinetic Ising models near the phase transition line (in Japanese) (A note for a talk on Novyemver 17, 1997 at Jyokou-ji meeting.) dvi
  29. On the convergence of finite volume stochastic Ising models, (in Japanese), Notes for a lecture delivered on April 1, 1997 at the annual meeting of Mathematical Scociety of Japan. dvi


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