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The local structure and topological structure on metric measure spaces

Research Project

Project/Area Number 15K17541
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Geometry
Research InstitutionKumamoto University (2016-2017)
Kyoto University (2015)

Principal Investigator

Kitabeppu Yu  熊本大学, 大学院先端科学研究部(理), 准教授 (50728350)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
KeywordsRCD 空間 / 正則集合 / Gromov-Hausdorff 収束 / 次元 / 測度距離空間上の正則集合 / 接錐 / Hausdorff 次元
Outline of Final Research Achievements

RCD spaces are one of the generalization of Riemannian manifolds with lower Ricci bound and upper dimension bound. These spaces are known to be worth studying in order to understanding the geometry of Riemannian manifolds. However it is difficult to analyze such spaces because of the complexity of local structure in those. In our study, we classify the low dimensional RCD spaces. And we define the subclass of RCD spaces that can be treated easier than generic ones. Also, we prove the high dimensional regular sets exist plentifully.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (17 results)

All 2018 2017 2016 2015

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results,  Open Access: 3 results,  Acknowledgement Compliant: 2 results) Presentation (14 results) (of which Int'l Joint Research: 4 results,  Invited: 14 results)

  • [Journal Article] A Bishop-type inequality on metric measure spaces with Ricci curvature bounded below2017

    • Author(s)
      Yu Kitabeppu
    • Journal Title

      Proc. Amer. Math. Soc.

      Volume: 145 Pages: 3137-3151

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Characterization of low dimensional RCD*(K,N) spaces2016

    • Author(s)
      Yu Kitabeppu, Sajjad Lakzian
    • Journal Title

      Anal. Geom. Metr. Spaces

      Volume: 4 Pages: 187-215

    • NAID

      120006305913

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A finite diameter theorem on $RCD(K,\infty)$ spaces for positive K2016

    • Author(s)
      Yu Kitabeppu
    • Journal Title

      Mathematische Zeitschrift

      Volume: 印刷中 Issue: 3-4 Pages: 895-907

    • DOI

      10.1007/s00209-016-1626-9

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] RCD 空間の次元について2018

    • Author(s)
      北別府 悠
    • Organizer
      測地線及び関連する諸問題
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] The highest dimensional regular sets on RCD spaces2018

    • Author(s)
      Yu Kitabeppu
    • Organizer
      Conference on Metrics and Measures
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 特異空間上の結節領域定理2018

    • Author(s)
      北別府 悠
    • Organizer
      淡路島幾何学研究集会 2018
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Ricci 曲率が下から抑えられた正則集合2017

    • Author(s)
      北別府 悠
    • Organizer
      2017年度幾何学阿蘇研究集会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] On the measure of the highest dimensional regular set on RCD spaces2017

    • Author(s)
      Yu Kitabeppu
    • Organizer
      2017 Chongqing Workshop on Differential Geometry
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] RCD 空間上の正則集合について2017

    • Author(s)
      北別府悠
    • Organizer
      測地線および関連する諸問題
    • Place of Presentation
      熊本大学
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] RCD 空間上の正則集合について2017

    • Author(s)
      北別府悠
    • Organizer
      淡路島幾何学研究集会2017
    • Place of Presentation
      国民宿舎 慶野松原荘
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] 測度距離空間上の正則集合について2017

    • Author(s)
      北別府悠
    • Organizer
      日本数学会2017年度年会
    • Place of Presentation
      首都大学東京
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] The classification of one dimensional RCD spaces2016

    • Author(s)
      Yu Kitabeppu
    • Organizer
      Metric geometry and its applications
    • Place of Presentation
      復旦大学(中国)
    • Year and Date
      2016-02-23
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] RCD 空間の正則集合について2016

    • Author(s)
      北別府悠
    • Organizer
      淡路島幾何学研究集会
    • Place of Presentation
      国民宿舎 慶野松原荘(兵庫・南あわじ市)
    • Year and Date
      2016-01-22
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] On RCD spaces with Bishop-type inequalities2016

    • Author(s)
      Yu Kitabeppu
    • Organizer
      Geometric analysis on Riemannian and metric spaces
    • Place of Presentation
      京都大学
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 低次元 RCD 空間の分類2015

    • Author(s)
      北別府悠
    • Organizer
      福岡大学微分幾何学研究会
    • Place of Presentation
      福岡大学セミナーハウス(福岡・中央区)
    • Year and Date
      2015-10-30
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] RCD 空間の分類について2015

    • Author(s)
      北別府悠
    • Organizer
      広島幾何学研究集会
    • Place of Presentation
      広島大学(広島・東広島市)
    • Year and Date
      2015-10-08
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] 低次元 RCD 空間の分類について2015

    • Author(s)
      北別府悠
    • Organizer
      幾何学シンポジウム
    • Place of Presentation
      東京理科大学(東京・新宿区)
    • Year and Date
      2015-08-29
    • Related Report
      2015 Research-status Report
    • Invited

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Published: 2015-04-16   Modified: 2019-03-29  

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