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Interplay between algebraic and topological closure operators, and existence of compact-like group topologies on abelian groups

Research Project

Project/Area Number 22540089
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionEhime University

Principal Investigator

SHAKHMATOV Dmitri  愛媛大学, 理工学研究科, 教授 (90253294)

Project Period (FY) 2010-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords位相群 / トポロジー / コンパクト / 代数学 / 代数的閉包
Research Abstract

We characterize potentially dense subsets of abelian groups G of size at most the power set of the continuum, and we show that the Markov-Zariski closure of a subset S of such a group G can be realized in some precompact group topology on G. (In particular, potential denseness of a set in G can be witnessed by some precompact group topology of G.) New metrizability criteria for compcat groups are obtained. We also provide various characterizations of Lie groups by means of controlling their zero-dimensional closed subgroups. Multiplier convergence theory of topological groups is developed.

Report

(5 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (22 results)

All 2013 2012 2011 2010 Other

All Journal Article (8 results) (of which Peer Reviewed: 7 results) Presentation (9 results) (of which Invited: 7 results) Remarks (5 results)

  • [Journal Article] Metrization criteria for compact groups in terms of their dense subgroups2013

    • Author(s)
      D. Dikranjan, D. Shakhmatov
    • Journal Title

      Fundamenta Mathematicae

      Volume: 221 Pages: 161-187

    • Related Report
      2013 Final Research Report 2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Characterization of Lie groups via finitness conditions on their zero-dimensional subgroups2013

    • Author(s)
      D. Dikranjan, D. Shakhmatov, J. Spevak
    • Journal Title

      第60回トポロジーシンポジウム講演集

      Volume: - Pages: 21-30

    • Related Report
      2013 Annual Research Report
  • [Journal Article] Quasicovexly dense and suitable sets in the arc component of a compact group2012

    • Author(s)
      D. Dikranjan, D. Shakhmatov
    • Journal Title

      Mathematische Nachrichten

      Volume: 285 Pages: 476-485

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] On the existence of kings in continuous tournaments2012

    • Author(s)
      M. Nagao, D. Shakhmatov
    • Journal Title

      Topology and its Applications

      Volume: 159 Pages: 3089-3096

    • Related Report
      2013 Final Research Report 2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quasi-covexly dense and suitable sets in the arc component of a compact group2012

    • Author(s)
      D.Dikranjan, D.Shakhmatov
    • Journal Title

      Mathematische Nachrichten

      Volume: 285 Issue: 4 Pages: 476-485

    • DOI

      10.1002/mana.201010013

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Kronecker - Weyl theorem for subsets of abelian groups2011

    • Author(s)
      D. Dikranjan, D. Shakhmatov
    • Journal Title

      Advances in Mathematics

      Volume: 226 Pages: 4776-4795

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Productivity of sequences with respect to a given weight function2011

    • Author(s)
      D. Dikranjan, D. Shakhmatov, J. Spevak
    • Journal Title

      Topology and its Applications

      Volume: 158 Pages: 298-324

    • Related Report
      2013 Final Research Report 2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Kronecker-Weyl theorem for subsets of abelian groups2011

    • Author(s)
      D.Dikranjan, D.Shakhmatov
    • Journal Title

      Advances in Mathematics

      Volume: 226 Pages: 4776-4795

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] Properties character-rizing Lie groups among compact-like groups2013

    • Author(s)
      D. Shakhmatov
    • Organizer
      International Conference on Topology and Geometry 2013 (joint with the 6th Japan-Mexico Topology Symposium)
    • Place of Presentation
      島根大学, 松江
    • Year and Date
      2013-09-02
    • Related Report
      2013 Final Research Report
    • Invited
  • [Presentation] Characterizations of Lie groups via finiteness conditions on their zero-dimensional subgroups2013

    • Author(s)
      D. Shakhmatov
    • Organizer
      第60回トポロジーシンポジウム
    • Place of Presentation
      大阪市立大学, 大阪
    • Year and Date
      2013-08-06
    • Related Report
      2013 Final Research Report
    • Invited
  • [Presentation] Characterizations of Lie groups via finiteness conditions on their zero-dimensional subgroups2013

    • Author(s)
      D. Dikranjan, D. Shakhmatov, J. Spevak
    • Organizer
      第60回トポロジーシンポジウム
    • Place of Presentation
      大阪市立大学, 大阪
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] Properties characterizing Lie groups among compact-like groups2013

    • Author(s)
      D. Dikranjan, D. Shakhmatov, J. Spevak
    • Organizer
      International Conference on Topology and Geometry 2013 (joint with the 6th Japan-Mexico Topology Symposium)
    • Place of Presentation
      島根大学, 松江
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] Medtrizability of compact groups via conditions on their dense subgroups2011

    • Author(s)
      D.Shakhmatov
    • Organizer
      Toposym 2011 (11^<th> Topological Symposium)
    • Place of Presentation
      Prague, Czech Republic
    • Year and Date
      2011-08-11
    • Related Report
      2011 Annual Research Report
  • [Presentation] Metrizability of compact groups via conditions on their dense subgroups2011

    • Author(s)
      D. Shakhmatov
    • Organizer
      TOPOSYM 2011: The 11th Topological Symposium, International Conference on General Topology and its Relations to Modern Analysis and Algebra
    • Place of Presentation
      Prague, Czech Republic
    • Year and Date
      2011-08-08
    • Related Report
      2013 Final Research Report
    • Invited
  • [Presentation] Two decades of the pseudocompact group topologization problem2010

    • Author(s)
      D. Shakhmatov
    • Organizer
      Algebra meets Topology : Advances and Applications
    • Place of Presentation
      Universitat Politechnica De Catalynya, Barcelona, Spain
    • Year and Date
      2010-07-21
    • Related Report
      2013 Final Research Report 2010 Annual Research Report
    • Invited
  • [Presentation] Topological properties of the Markov-Zariski topology of an abelian group2010

    • Author(s)
      D. Shakhmatov
    • Organizer
      2010 International Conference on Topology and its Applications
    • Place of Presentation
      Nafpaktos, Greece
    • Year and Date
      2010-06-27
    • Related Report
      2013 Final Research Report 2010 Annual Research Report
  • [Presentation] Graph-theoretic aspects of continuous weak selections

    • Author(s)
      D. Shakhmatov
    • Organizer
      IVth Workshop on Coverings, Selections and Games in Topology
    • Place of Presentation
      Caserta, Italy
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Remarks] 本研究の成果を以下のホームページで公開 されている。

    • URL

      http://www.math.sci.ehime-u.ac.jp/~dima/

    • Related Report
      2013 Final Research Report
  • [Remarks] Shakhmatov研究室のホームページ

    • URL

      http://www.math.sci.ehime-u.ac.jp/~dima/

    • Related Report
      2013 Annual Research Report
  • [Remarks] 研究者のwebページ

    • URL

      http://www.math.ehime-u.ac.jp/~dima/

    • Related Report
      2012 Annual Research Report
  • [Remarks]

    • URL

      http://www.math.ehime-u.ac.jp/~dima/

    • Related Report
      2011 Annual Research Report
  • [Remarks]

    • URL

      http://www.math.ehime-u.ac.jp/~dima/

    • Related Report
      2010 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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