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Study on Riemann surfaces and Klein surfaces with hyperbolic regular polygons as their fundamental regions

Research Project

Project/Area Number 20740081
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Basic analysis
Research InstitutionAichi Institute of Technology

Principal Investigator

NAKAMURA Gou  愛知工業大学, 工学部, 准教授 (50319208)

Project Period (FY) 2008 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords複素解析 / 関数論 / 解析学 / リーマン面 / クライン面 / 基本領域 / 極値的円板
Research Abstract

We solved the problem that how many extremal discs are embedded in extremal Klein surfaces, and classified these surfaces by the number of extremal discs, location of extremal discs, and the group of automorphisms. For this aim we used hyperbolic regular polygons as their fundamental regions. As for Riemann surfaces of genus two with hyperbolic regular polygons we gave equations of the Teichmuller space and homogeneous coordinates for the surfaces by reconstructing fundamental regions based on the Weierstrass points.

Report

(6 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report   Self-evaluation Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (21 results)

All 2012 2011 2010 2009

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (14 results)

  • [Journal Article] Compact non-orientable surfaces of genus 5 with extremal metric discs2012

    • Author(s)
      Gou Nakamura
    • Journal Title

      Glasgow Math. J

      Volume: Vol.54 Pages: 273-281

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Teichmuller space of genus two based on Schmutz Schaller's hyperbolic polygons2012

    • Author(s)
      Gou Nakamura
    • Journal Title

      Kodai Math. J

      Volume: Vol.35 Pages: 138-156

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Compact non-orientable surfaces of genus 5 with extremal metric discs2012

    • Author(s)
      Gou Nakamura
    • Journal Title

      Glasgow Mathematical Journal

      Volume: 54 Issue: 2 Pages: 273-281

    • DOI

      10.1017/s0017089511000589

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Teichmüller space of genus two based on Schmutz Schaller's hyperbolic polygons2012

    • Author(s)
      Gou Nakamura
    • Journal Title

      Kodai Mathematical Journal

      Volume: 35 Issue: 1 Pages: 138-156

    • DOI

      10.2996/kmj/1333027259

    • NAID

      130004496154

    • ISSN
      0386-5991, 1881-5472
    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Compact non-orientable surfaces of genus 4 with extremal metric discs2009

    • Author(s)
      Gou Nakamura
    • Journal Title

      Conformal Geometry and Dynamics

      Volume: Vol.13 Pages: 124-135

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Compact non-orientable surfaces of genus 4 with extremal metric discs2009

    • Author(s)
      Gou Nakamura
    • Journal Title

      Conformal Geometry and Dynamics Vol.13

      Pages: 124-135

    • Related Report
      2010 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Compact non-orientable surfaces of genus 4 with extremal metric discs2009

    • Author(s)
      Gou Nakamura
    • Journal Title

      Conformal Geometry and Dynamics 13

      Pages: 124-135

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] Parametrizations of Teichmuller spaces by trace functions2011

    • Author(s)
      Gou Nakamura
    • Organizer
      The 19th International Conference on Finite or Infinite Dimensional Complex Analysis and Applications
    • Place of Presentation
      アステールプラザ
    • Year and Date
      2011-12-12
    • Related Report
      2011 Final Research Report
  • [Presentation] Parametrizations of Teichmuller spaces by trace functions2011

    • Author(s)
      Gou Nakamura
    • Organizer
      The 19th International Conference on Finite or Infinite Dimensional Complex Analysis and Applications
    • Place of Presentation
      アステールプラザ(広島県)
    • Year and Date
      2011-12-12
    • Related Report
      2011 Annual Research Report
  • [Presentation] Trace parameters for Teichmuller space2011

    • Author(s)
      中西敏浩
    • Organizer
      日本数学会2011年度秋季総合分科会
    • Place of Presentation
      信州大学
    • Year and Date
      2011-09-30
    • Related Report
      2011 Final Research Report
  • [Presentation] Trace parameters for Teichmuller space2011

    • Author(s)
      中西敏浩
    • Organizer
      日本数学会2011年度秋季総合分科会
    • Place of Presentation
      信州大学理学部(長野県)
    • Year and Date
      2011-09-30
    • Related Report
      2011 Annual Research Report
  • [Presentation] Compact non-orientable surfaces of genus 5 with extremal metric discs2011

    • Author(s)
      Gou Nakamura
    • Organizer
      日本数学会2011年度年会
    • Place of Presentation
      早稲田大学
    • Year and Date
      2011-03-22
    • Related Report
      2011 Final Research Report
  • [Presentation] Compact non-orientable surfaces of genus 5 with extremal metric discs2011

    • Author(s)
      Gou Nakamura
    • Organizer
      日本数学会2011年度年会(アブストラクト)
    • Place of Presentation
      早稲田大学
    • Year and Date
      2011-03-22
    • Related Report
      2010 Self-evaluation Report
  • [Presentation] Compact non-orientable surfaces of genus 5 with extremal metric discs2011

    • Author(s)
      Gou Nakamura
    • Organizer
      日本数学会 2011年度年会(アブストラクト)
    • Place of Presentation
      早稲田大学(東京都)
    • Year and Date
      2011-03-22
    • Related Report
      2010 Annual Research Report
  • [Presentation] Compact Klein surfaces of genus 5 with extremal discs, Joint Mathematics Meetings2011

    • Author(s)
      Gou Nakamura
    • Organizer
      AMS Special Session on Computational Algebraic and Analytic Geometry for Low-Dimensional Varieties
    • Place of Presentation
      Sheraton, New Orleans, USA
    • Year and Date
      2011-01-06
    • Related Report
      2011 Final Research Report
  • [Presentation] Compact Klein surfaces of genus 5 with extremal disc Joint Mathematics Meetings2011

    • Author(s)
      Gou Nakamura
    • Organizer
      AMS Special Session on Computational Algebraic and Analytic Geometry for Low-Dimensional Varieties
    • Place of Presentation
      Sheraton, New Orleans, USA
    • Year and Date
      2011-01-06
    • Related Report
      2010 Self-evaluation Report
  • [Presentation] Compact Klein surfaces of genus 5 with extremal discs2011

    • Author(s)
      Gou Nakamura
    • Organizer
      Joint Mathematics Meetings, AMS Special Session
    • Place of Presentation
      Sheraton, New Orleans, USA
    • Year and Date
      2011-01-06
    • Related Report
      2010 Annual Research Report
  • [Presentation] Automorphism groups of q-m-gonal planar Klein surfaces2010

    • Author(s)
      Gou Nakamura
    • Organizer
      「リーマン面・不連続群論」研究集会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2010-01-11
    • Related Report
      2011 Final Research Report 2009 Annual Research Report
  • [Presentation] Automorphism groups of q-m-gonal planar Klein surfaces2010

    • Author(s)
      Gou Nakamura
    • Organizer
      「リー マン面・不連続群論」研究集会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2010-01-11
    • Related Report
      2010 Self-evaluation Report
  • [Presentation] Examples of the coordinates of genus 2-surfaces with regular fundamental octagon2009

    • Author(s)
      Gou Nakamura
    • Organizer
      XXIst Rolf Nevanlinna Colloquium
    • Place of Presentation
      京都大学
    • Year and Date
      2009-09-08
    • Related Report
      2011 Final Research Report 2010 Self-evaluation Report 2009 Annual Research Report
  • [Presentation] Compact non-orientable surfaces of genus 4 with extremal metric discs2009

    • Author(s)
      Gou Nakamura
    • Organizer
      2nd Belgian Mathematical Society-London Mathematical Society Conference
    • Place of Presentation
      Katholieke Universiteit Leuven, Belgium
    • Related Report
      2011 Final Research Report 2010 Self-evaluation Report 2009 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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