• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Study of the large deviation principle using Markov extension

Research Project

Project/Area Number 21K03321
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 12020:Mathematical analysis-related
Research InstitutionNagaoka University of Technology

Principal Investigator

Yamamoto Kenichiro  長岡技術科学大学, 工学研究科, 准教授 (30635181)

Project Period (FY) 2021-04-01 – 2025-03-31
Project Status Completed (Fiscal Year 2024)
Budget Amount *help
¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2023: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2022: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2021: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Keywords大偏差原理 / マルコフ拡大 / 周期点測度 / 区分的単調区間力学系 / 区分的拡大力学系
Outline of Research at the Start

力学系における大偏差原理とは,系の平均から大きくずれたふるまいをする点全体の確率測度を記述した原理であり,近年様々な研究者によって研究が進められている重要な研究対象である.力学系はマルコフ型と非マルコフ型に分けられるが、非マルコフ型力学系については十分に大偏差原理の研究が進んでいない状況である.本研究の目的は広いクラスの非マルコフ型力学系に適用可能な大偏差原理の研究手法を開発することである.

Outline of Final Research Achievements

The purpose of this study was to prove the large deviation principle for a wide class of non-Markov dynamical systems by using a method called Markov extension, which is effective for the study of non-Markov dynamical systems. It is known from previous research by the principal researcher that density of periodic measures is a sufficient condition for satisfying the large deviation principle for topologically transitive piecewise monotonic interval maps. In this study, we show that the large deviation principle holds for the following piecewise monotonic interval maps for which the large deviation principle has not been known so far, by demonstrating density of the periodic point measure: Generalized beta-transformations, generalized mod one transformations, piecewise monotonic maps whose Markov Diagram has two columns and all whose critical points are not eventually periodic.

Academic Significance and Societal Importance of the Research Achievements

力学系に関する大偏差原理については,マルコフ型力学系に関しては1990年頃に成立することが示されたが,非マルコフ型力学系に関してはごく一部を除いてほとんど成立する例が知られていなかった.そのため,本研究により,今まで大偏差原理成立が知られていなかった広いクラスの非マルコフ型区分単調区間力学系について,大偏差原理の成立が示されたことには学術的意義がある.また,研究成果の概要において述べたように,大偏差原理成立を示す過程で周期点測度の稠密性を示したが,これは大偏差原理の問題とは独立に提唱されたRaithの未解決問題とも関連しており,本研究成果により,その未解決問題にも部分的に貢献できたことになる.

Report

(5 results)
  • 2024 Annual Research Report   Final Research Report ( PDF )
  • 2023 Research-status Report
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (7 results)

All 2023 2022 2021

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (4 results) (of which Invited: 2 results)

  • [Journal Article] Density of periodic measures and large deviation principle for generalised mod one transformations2023

    • Author(s)
      Mao Shinoda, Kenichiro Yamamoto
    • Journal Title

      Nonlinearity

      Volume: 37 Issue: 2 Pages: 025003-025003

    • DOI

      10.1088/1361-6544/ad140d

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Large deviation principle for piecewise monotonic maps with density of periodic measures2023

    • Author(s)
      Chung Yong Moo; Yamamoto Kenichiro
    • Journal Title

      Ergodic Theory and Dynamical Systems

      Volume: 43 Issue: 3 Pages: 861-872

    • DOI

      10.1017/etds.2021.159

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Irregular Sets for Piecewise Monotonic Maps2021

    • Author(s)
      NAKANO Yushi、YAMAMOTO Kenichiro
    • Journal Title

      Tokyo Journal of Mathematics

      Volume: 44 Issue: 2 Pages: 495-506

    • DOI

      10.3836/tjm/1502179349

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] On large deviations and two conjectures for piecewise monotonic interval maps2023

    • Author(s)
      山本謙一郎
    • Organizer
      2023年度エルゴード理論研究集会
    • Related Report
      2023 Research-status Report
  • [Presentation] On large deviations and two conjectures for piecewise monotonic interval maps2022

    • Author(s)
      Kenichiro Yamamoto
    • Organizer
      Recent Progress in Ergodic Theory
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] Large deviation principle for piecewise monotonic maps with density of periodic measures2021

    • Author(s)
      Kenichiro Yamamoto
    • Organizer
      Zoominar in Dynamical Systems @ Porto
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Density of periodic measures and large deviation principle for generalized (α,β)-transformations2021

    • Author(s)
      Kenichiro Yamamoto
    • Organizer
      数論セミナー(筑波大学)
    • Related Report
      2021 Research-status Report

URL: 

Published: 2021-04-28   Modified: 2026-01-16  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi