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New development of stochastic optimal transportation problem

Research Project

Project/Area Number 19K03548
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 12010:Basic analysis-related
Research InstitutionTsuda University

Principal Investigator

Mikami Toshio  津田塾大学, 学芸学部, 教授 (70229657)

Project Period (FY) 2019-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2022: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2021: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords確率最適輸送問題 / シュレディンガーの問題 / シュレディンガーの汎函数方程式 / ラグランジアン定式化 / 非凸コスト関数 / Schroedingerの問題 / sticky particle system / Brun-Minkowskii不等式 / excursion coupling / Wasserstein距離 / 双対定理 / superposition principle / Knothe-Rosenblatt 過程 / ガウス場の最大値の分布
Outline of Research at the Start

本研究課題は、経済学や画像処理などの様々な分野に応用されている最適輸送問題や平均場ゲーム理論を確率最適輸送理論の枠組みで統一的に発展させ、それらの新たな応用を見出していくことである。研究のスタイルとして、数学的理論のみでなく応用分野からの数学的要請にも注目し、応用分野と同期しながら数学理論を発展させていきたい。そのためには国内外の専門家との最新の情報交換が不可欠である。

Outline of Final Research Achievements

We proved the semi-concavity and the Lipschitz continuity, in marginal distributions, of Schroedinger’s problem. When the Markov process with zero value function is ergodic, we gave the long-time asymptotics of value function and of solution of Schroedinger’s functional equation.
We simplified the proof of the duality theorem for stochastic optimal transport. We proved a Markov property of a solution of a class of one-dimensional stochastic optimal transport with a non-convex cost. We gave a Lagrangian formulation of optimal transport with a concave cost. When a cost function exhibits more than or equal to linear growth and less than quadratic growth, we gave a sufficient and necessary condition for the finiteness of stochastic optimal transport. We also gave the asymptotics of value function as time goes to zero and infinity.

Academic Significance and Societal Importance of the Research Achievements

シュレディンガーの問題の周辺分布に関する半凹性とリプシッツ連続性は本研究で初めて証明された。シュレディンガーの問題は、データサイエンスに応用されており、本研究のデータサイエンスへの応用が待たれる。確率最適輸送問題の双対定理の証明を通して、改めて、確率最適輸送問題が周辺分布問題に密接に関係していることを示した。凸ではないコスト関数を持つ確率最適輸送問題の解のマルコフ性の研究や最適輸送問題のラグランジアン定式化は本研究で初めて証明された。コスト関数の無限遠方での増大度の違いによって確率最適輸送問題の値関数が有限であるための条件が異なることが本研究で初めて証明された。

Report

(6 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (19 results)

All 2024 2023 2021 2019 Other

All Int'l Joint Research (4 results) Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 4 results) Presentation (8 results) (of which Int'l Joint Research: 4 results,  Invited: 7 results) Book (2 results) Remarks (1 results)

  • [Int'l Joint Research] The University of Kansas(米国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] University of Kansas(米国)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] University of Kansas(米国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] Technical University of Munich(ドイツ)

    • Related Report
      2021 Research-status Report
  • [Journal Article] A Hamilton-Jacobi PDE associated with hydrodynamic fluctuations from a nonlinear diffusion2021

    • Author(s)
      Jin Feng, Toshio Mikami, Johannes Zimmer
    • Journal Title

      Comm. Math. Phys.

      Volume: 385 Issue: 1 Pages: 1-54

    • DOI

      10.1007/s00220-021-04110-1

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Regularity of Schrödinger's functional equation in the weak topology and moment measures2021

    • Author(s)
      Toshio Mikami
    • Journal Title

      Journal of the Mathematical Society of Japan

      Volume: 73 Issue: 1 Pages: 99-123

    • DOI

      10.2969/jmsj/81928192

    • NAID

      130007973744

    • ISSN
      0025-5645, 1881-1167, 1881-2333
    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Stochastic optimal transport revisited2021

    • Author(s)
      Toshio Mikami
    • Journal Title

      SN Partial Differ. Equ. Appl.

      Volume: 2 Issue: 1

    • DOI

      10.1007/s42985-020-00059-3

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] REGULARITY OF SCHRÖDINGER’S FUNCTIONAL EQUATION AND MEAN FIELD PDES FOR H-PATH PROCESSES2019

    • Author(s)
      Toshio Mikami
    • Journal Title

      Osaka Journal of Mathematics

      Volume: 56 Issue: 4 Pages: 831-842

    • DOI

      10.18910/73630

    • ISSN
      00306126
    • URL

      https://ocu-omu.repo.nii.ac.jp/records/2010755

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Stochastic optimal transport with at most quadratic growth cost2024

    • Author(s)
      Toshio Mikami
    • Organizer
      Stochastic Analysis
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Finiteness of stochastic optimal transport2024

    • Author(s)
      Toshio Mikami
    • Organizer
      NTU Mathematics Colloquium, Department of Mathematics, National Taiwan University
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] コスト関数が高々ノルムの2乗の増大度をもつ場合の確率最適輸送問題の有限性と短・長時間漸近挙動について2024

    • Author(s)
      三上敏夫
    • Organizer
      第11回確率論とPDE研究会
    • Related Report
      2023 Annual Research Report
  • [Presentation] コスト関数がノルムの高々2次の増大度をもつ場合の確率最適輸送問題について2024

    • Author(s)
      三上敏夫
    • Organizer
      大阪大学確率論セミナー
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] Schrodinger’s and Nelson’s problems from the viewpoint of stochastic optimal transport: an introduction2023

    • Author(s)
      Toshio Mikami
    • Organizer
      Web seminar, Department of Mathematics, Nanjing University
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] Schroedinger's and Nelson's problems, and stochastic optimal transport2021

    • Author(s)
      Toshio Mikami
    • Organizer
      Schrooedinger's problem and Optimal Transport
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Regularity of Schroedinger's functional equation2019

    • Author(s)
      Toshio Mikami
    • Organizer
      New trends in Hamilton-Jacobi: PDE, Control, Dynamical Systems and Geometry
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Regularity of Schroedinger's functional equation2019

    • Author(s)
      Toshio Mikami
    • Organizer
      Equadiff 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Book] Stochastic Optimal Transportation: Stochastic Control with Fixed Marginals2021

    • Author(s)
      Toshio Mikami
    • Total Pages
      129
    • Publisher
      Springer
    • ISBN
      9789811617539
    • Related Report
      2021 Research-status Report
  • [Book] Stochastic Optimal Transportation - Stochastic Control with Fixed Marginals -2021

    • Author(s)
      Toshio Mikami
    • Total Pages
      130
    • Publisher
      Springer
    • ISBN
      9789811617539
    • Related Report
      2020 Research-status Report
  • [Remarks] the 43th Conference on SPA

    • URL

      https://www.spa2023.org

    • Related Report
      2023 Annual Research Report

URL: 

Published: 2019-04-18   Modified: 2025-01-30  

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