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2021 Fiscal Year Annual Research Report

New perspectives on space-time estimates for dispersive equations

Research Project

Project/Area Number 19H01796
Research InstitutionSaitama University

Principal Investigator

BEZ NEAL  埼玉大学, 理工学研究科, 教授 (30729843)

Co-Investigator(Kenkyū-buntansha) 杉本 充  名古屋大学, 多元数理科学研究科, 教授 (60196756)
中村 昌平  大阪大学, 大学院理学研究科, 助教 (30896121)
Project Period (FY) 2019-04-01 – 2023-03-31
KeywordsStrichartz estimate / Orthonormal system / Pointwise convergence
Outline of Annual Research Achievements

Regarding the main goal of developing a fuller theory of Strichartz estimates for orthonormal systems of initial data, progress is ongoing. The focus has been mostly on certain boundary cases which were left open in previous work. In addition, progress is being made on extending the known results regarding Carleson's problem for fermions.

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

Work towards the main goals of the research project is successfully moving forward. In addition, new research directions which have emerged during the course of the project, such as Carleson's problem for fermions, are also being fruitfully pursued. It should be said though that the effect of the pandemic has been felt in the sense that it is significantly more challenging to conduct deep research discussions with collaborators.

Strategy for Future Research Activity

It is planned to continue work towards the main goals of the original reseach proposal and establish a satisfactory theory of Strichartz estimates for orthonormal systems. Work will also be carried out on Carleson's problem for fermions and it is expected that these projects can be completed in the short to medium term.

  • Research Products

    (11 results)

All 2022 2021

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results) Presentation (10 results) (of which Int'l Joint Research: 7 results,  Invited: 9 results)

  • [Journal Article] Scaling limit of modulation spaces and their applications2021

    • Author(s)
      Mitsuru Sugimoto, Baoxiang Wang
    • Journal Title

      Applied and Computational Harmonic Analysis

      Volume: 53 Pages: 54-94

    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Regularisation of functional inequalities via Fokker-Planck equation2022

    • Author(s)
      Shohei Nakamura
    • Organizer
      名古屋微分方程式研究集会
    • Invited
  • [Presentation] Pointwise convergence for the Schrodinger equation with orthonormal initial data2021

    • Author(s)
      Neal Bez
    • Organizer
      8th European Congress of Mathematics "Harmonic Analysis and Partial Differential Equations" Minisymposium
    • Int'l Joint Research / Invited
  • [Presentation] Pointwise convergence for the Schrodinger equation with orthonormal initial data2021

    • Author(s)
      Neal Bez
    • Organizer
      13th ISAAC Congress "Harmonic Analysis and PDEs" Session
    • Int'l Joint Research / Invited
  • [Presentation] The nonlinear Brascamp-Lieb inequality2021

    • Author(s)
      Neal Bez
    • Organizer
      13th ISAAC Congress "Function Spaces and their Applications to Nonlinear Evolution Equations" Session
    • Int'l Joint Research / Invited
  • [Presentation] Dispersive estimates for the wave equation2021

    • Author(s)
      Neal Bez
    • Organizer
      Harmonic Analysis and Wave Phenomena
    • Int'l Joint Research / Invited
  • [Presentation] The nonlinear Brascamp-Lieb inequality2021

    • Author(s)
      Neal Bez
    • Organizer
      The 8th East Asian Conference in Harmonic Analysis and Applications
    • Int'l Joint Research
  • [Presentation] The nonlinear Brascamp-Lieb inequality2021

    • Author(s)
      Neal Bez
    • Organizer
      MSJ-KMS Joint Meeting
    • Int'l Joint Research / Invited
  • [Presentation] A constructive approach to nonlinear damped wave equations2021

    • Author(s)
      Mitsuru Sugimoto
    • Organizer
      13th ISAAC Congress
    • Int'l Joint Research / Invited
  • [Presentation] Regularisation of functional inequalities via Fokker-Planck equation2021

    • Author(s)
      Shohei Nakamura
    • Organizer
      量子場の数理とその周辺
    • Invited
  • [Presentation] Analysis of the Fourier extension operator via X-ray tomography2021

    • Author(s)
      Shohei Nakamura
    • Organizer
      日本数学会
    • Invited

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Published: 2023-12-25  

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