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2013 Fiscal Year Final Research Report

Moduli theoretic study of Fano varieties and Enriques surfaces

Research Project

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Project/Area Number 22340007
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionKyoto University

Principal Investigator

MUKAI Shigeru  京都大学, 数理解析研究所, 教授 (80115641)

Co-Investigator(Renkei-kenkyūsha) KONDO Shigeyuki  名古屋大学, 多元数理科学研究科, 教授 (50186847)
MORI Shigefumi  京都大学, 数理解析研究所, 教授 (00093328)
NAKAYAMA Noboru  京都大学, 数理解析研究所, 准教授 (10189079)
IDE Manabu  常葉学園大学, 教育学部, 講師 (90367582)
OHASHI Hisanori  東京理科大学, 理工学部, 助教 (40547006)
TAKAGI Hiromichi  東京大学, 数理科学研究科, 准教授 (30322150)
Project Period (FY) 2010-04-01 – 2013-03-31
Keywords代数幾何学 / Enriques曲面 / K3曲面 / モジュライ空間 / Torelli定理 / ルート系 / Mathieu群 / アーベル曲面
Research Abstract

As the next case of numerically trivial involution, we classified the numerically reflective involutions of Entiques surfaces into two types. One is of type E7, for which we succeeded to write down the explicit equations of their canonical elliptic fibrations. As a joint work with Hisanor Ohashi, we classified all finite groups which have a semi-symplectic action on an Enriques surface. We also classified all Enriques surfaces whose automorphism groups are virtually abelian. In both cases, the key of proof is the notion of root system of an Enriques surface. It was first defined by Nikulin in 80's and refined in this study of ours.
As for K3 surfaces of higher genus, we succeeded in proving the unirationality of the moduli space of K3 surfaces of genus 16 using the GPS compactification of the moduli space of twisted cubics.

  • Research Products

    (32 results)

All 2013 2012 2011 2010 Other 0

All Journal Article (6 results) (of which Peer Reviewed: 5 results) Presentation (25 results) Remarks (1 results)

  • [Journal Article] Kummer's quartics and numerically reflective involutions of Enriques surfaces2012

    • Author(s)
      Shigeru Mukai
    • Journal Title

      J. Math. Soc. Japan

      Volume: 64 Pages: 231-246

    • DOI

      10.2969/jmsj/06410231

    • Peer Reviewed
  • [Journal Article] Igusa quartic and Steiner surfaces2012

    • Author(s)
      Shigeru Mukai
    • Journal Title

      Contemp. Math.

      Volume: 564 Pages: 429-454

    • DOI

      10.1090/conm/564/11171

    • Peer Reviewed
  • [Journal Article] Lecture notes on K3 and Enriques surfaces,"Contribution to Akgebraic Geometry"(ed. P. Pragacz)2012

    • Author(s)
      Shigeru Mukai
    • Journal Title

      European Math. Soc.2012

      Pages: 389-405

    • DOI

      10.4171/114-1/15

  • [Journal Article] Curves and symmetric spaces, II2010

    • Author(s)
      Shigeru Mukai
    • Journal Title

      Ann. of Math.

      Volume: 172 Pages: 1539-1558

    • DOI

      10.4007/annals.2010.172.1539

    • Peer Reviewed
  • [Journal Article] Numerically trivial involutions of Kummer type of Enriques surfaces2010

    • Author(s)
      Shigeru Mukai
    • Journal Title

      Kyoto Math. J.

      Volume: 50 Pages: 889-902

    • DOI

      10.1215/0023608X-2010-017

    • Peer Reviewed
  • [Journal Article] Enriques surfaces of Hutchinson-Gopel type and Mathieu automorphisms,"Arithmetic and Geometry of K3 surfaces and Calabi-Yau Threefoolds"(eds. Mschutt, R. Laza and N. Yui)

    • Author(s)
      Shigeru Mukai, and Hisanori Ohashi
    • Journal Title

      Fields Inst. for Research in Math. Sciences

      Pages: 429-454

    • DOI

      10.1007/978-1-4614-6403-7_15

    • Peer Reviewed
  • [Presentation] Enriques surfaces2013

    • Author(s)
      Shigeru Mukai
    • Organizer
      Luminy(3 lectures)
    • Year and Date
      20130300
  • [Presentation] Invariant theory and geometry - Hilbert's 14th problem, Nagata's counter example and beyond, Opening conference of Center for Mathematical Challenge2013

    • Author(s)
      Shigeru Mukai
    • Organizer
      Korean Advanced Institute of Science and Technology (KAIST)
    • Place of Presentation
      Dejon, Seoul
    • Year and Date
      2013-12-15
  • [Presentation] K3, Enriques曲面とルート系について2013

    • Author(s)
      向井茂
    • Organizer
      第12回岡シンポジウム
    • Place of Presentation
      奈良女子大学
    • Year and Date
      2013-12-14
  • [Presentation] Enriques surfaces and cubic 4-folds with action of M102013

    • Author(s)
      Shigeru Mukai
    • Organizer
      Symplectic Algebraic Geometry
    • Place of Presentation
      Kansai Seminar House
    • Year and Date
      2013-09-30
  • [Presentation] Fano 3-folds, moduli and automorphism groups etc.2013

    • Author(s)
      Shigeru Mukai
    • Organizer
      RIMS
    • Place of Presentation
      Kyoto Univ.
    • Year and Date
      2013-06-19
  • [Presentation] Enriques surfaces2013

    • Author(s)
      Shigeru Mukai
    • Organizer
      Algebraic Geometry Conference
    • Place of Presentation
      Univ. Amsterdam
    • Year and Date
      2013-06-09
  • [Presentation] Enriques surfaces as neighbors of rational surfaces and vice versa2013

    • Author(s)
      Shigeru Mukai
    • Year and Date
      2013-05-28
  • [Presentation] Enriques surfaces with 720 symmetries2013

    • Author(s)
      Shigeru Mukai
    • Place of Presentation
      Michigan Univ.
    • Year and Date
      2013-05-18
  • [Presentation] Enriques surfaces and Igusa quartic2013

    • Author(s)
      Shigeru Mukai
    • Place of Presentation
      Tokyou Univ.
    • Year and Date
      2013-01-28
  • [Presentation] Enriques surfaces and Abelian surfaces2012

    • Author(s)
      Shigeru Mukai
    • Organizer
      Algebraic and complex geometry(International conference)
    • Place of Presentation
      Univ. Hannover, Germany
    • Year and Date
      2012-09-10
  • [Presentation] Enriques surfaces whose automorphism groups are virtually abelian2012

    • Author(s)
      Shigeru Mukai
    • Organizer
      Math. Forschungs Institut Oberwolfach
    • Place of Presentation
      Germany
    • Year and Date
      2012-09-05
  • [Presentation] Enriques surfaces and root systems2012

    • Author(s)
      Shigeru Mukai
    • Organizer
      Moduli and birational geometry(International conference)
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2012-07-10
  • [Presentation] Enriques surfaces with small/large automorphisms2012

    • Author(s)
      Shigeru Mukai
    • Organizer
      Classical Algebraic Geometry(International conference)
    • Place of Presentation
      Math. Forschungs Institut Oberwolfach, Germany
    • Year and Date
      2012-06-21
  • [Presentation] Orthogonal Grassmannians and K3 surfaces of genus 182012

    • Author(s)
      Shigeru Mukai
    • Organizer
      Algebraic Geometry of higher dimensional varieties and vector bundles
    • Place of Presentation
      Kyushu Univ.
    • Year and Date
      2012-03-17
  • [Presentation] Enriques surfaces and integral lattices2012

    • Author(s)
      Shigeru Mukai
    • Organizer
      Arithmatic and Algebraic Geometry 2012
    • Place of Presentation
      Univ. Tokyo
    • Year and Date
      2012-02-15
  • [Presentation] Automorphisms of Enriques surfaces and the Mathieu group M122011

    • Author(s)
      Shigeru Mukai
    • Organizer
      Periods and Moduli
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2011-09-22
  • [Presentation] Enriques surfaces and root systems, "Arithmetic and Geometry of K3 surfaces and Calabi-Yau Threefolds"2011

    • Author(s)
      Shigeru Mukai
    • Organizer
      The Fields Inst. Res. Math. Sci.
    • Place of Presentation
      Toronto, Canada
    • Year and Date
      2011-08-20
  • [Presentation] K3 surfaces of genus 17, "Moduli Spaces"2011

    • Author(s)
      Shigeru Mukai
    • Organizer
      Isaac Newton Inst. for Math. Sci.
    • Place of Presentation
      Cambridge, UK
    • Year and Date
      2011-04-12
  • [Presentation] K3 and Enriques surfaces

    • Author(s)
      Shigeru Mukai
    • Organizer
      IMPNGA Summer School on Algebraic Geometry
    • Place of Presentation
      Bedlewo, Poland
    • Year and Date
      00000705-08
  • [Presentation] Enriques surfaces of type E70

    • Author(s)
      Shigeru Mukai
    • Organizer
      Algebraic Geometry Symposium
    • Place of Presentation
      Kinosaki
    • Year and Date
      00001029
  • [Presentation] Enriques surfaces of type E70

    • Author(s)
      Shigeru Mukai
    • Organizer
      Compact Moduli
    • Place of Presentation
      Georgia Univ., Athens
    • Year and Date
      00001023
  • [Presentation] Enriques surfaces of type E70

    • Author(s)
      Shigeru Mukai
    • Organizer
      Perspectives on Algebraic Varieties
    • Place of Presentation
      Trento, Italy
    • Year and Date
      00000908
  • [Presentation] Enriques surfaces with many semi-symplectic automorphisms0

    • Author(s)
      Shigeru Mukai
    • Organizer
      Komplexe Analysis
    • Place of Presentation
      Oberwolfach, Germany
    • Year and Date
      00000905
  • [Presentation] Enriques surfaces and root systems0

    • Author(s)
      Shigeru Mukai
    • Organizer
      Fifth Pacific Rim Conference of Mathematics
    • Place of Presentation
      Stanford Univ., California
    • Year and Date
      00000702
  • [Presentation] Simple Lie algebras and Legendre varieties0

    • Author(s)
      Shigeru Mukai
    • Organizer
      Nilpotent orbits and representation theory
    • Place of Presentation
      Kyushu Univ.
    • Year and Date
      00000220
  • [Remarks]

    • URL

      http://www.kurims.kyoto-u.ac.jp/~mukai/index.html

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Published: 2015-07-16  

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