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Research on transformations preserving solutions of the heat equation, wave equation

Research Project

Project/Area Number 25400126
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Basic analysis
Research InstitutionIbaraki University

Principal Investigator

Shimomura Katsunori  茨城大学, 理学部, 教授 (00201559)

Co-Investigator(Kenkyū-buntansha) NISHIO MASAHARU  大阪市立大学, 理学研究科, 准教授 (90228156)
HORIUCHI TOSHIO  茨城大学, 理学部, 教授 (80157057)
ANDO HIROSHI  茨城大学, 理学部, 准教授 (60292471)
Co-Investigator(Renkei-kenkyūsha) SUZUKI NORIAKI  名城大学, 理工学部, 教授 (50154563)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
KeywordsAppell変換 / Bateman変換 / caloric morphism / 熱方程式の解を保つ変換 / 波動方程式の解を保つ変換
Outline of Final Research Achievements

In this research, we studied the caloric morphism on semi-riemannian manifolds, especially semi-euclidean spaces with general Lorentz invariant indefinite metric. We determined the set of mappings and transformations, and also their explicit forms in the case that the dimension of the manifold is greater or equal to 3 and the reciprocal of the dilatation of the transformation has degree 0 or 2.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (3 results)

All 2016 2013

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Acknowledgement Compliant: 1 results) Presentation (1 results)

  • [Journal Article] Liouville type theorem on conformal mapping for indefinite metrics associate with ultra-hyperbolic equations2016

    • Author(s)
      Katsunori Shimomura
    • Journal Title

      Math. J. Ibaraki Univ.

      Volume: 46

    • NAID

      130005429965

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Generalizations of Bateman's transformation for general indefinite metrics2013

    • Author(s)
      Katsunori Shimomura
    • Journal Title

      Math.J.Ibaraki Univ.

      Volume: 45 Pages: 7-13

    • NAID

      130004949011

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 3次元以上のLorentz不変計量に対する caloric morphism について2016

    • Author(s)
      下村勝孝
    • Organizer
      ポテンシャル論とその関連分野
    • Place of Presentation
      北海道大学理学部
    • Year and Date
      2016-01-31
    • Related Report
      2015 Annual Research Report

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Published: 2014-07-25   Modified: 2019-07-29  

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