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Nawata Norio
縄田 紀夫
Nawata Norio
縄田 紀夫
Graduate School of Information Science and Technology Department of Pure and Applied Mathematics, Associate Professor

Research History 5

  1. 2020/04 - Present
    Osaka University Graduate School of Information Science and Technology Department of Pure and Applied Mathematics

  2. 2017/04 - 2020/03
    Osaka Kyoiku University Lecturer

  3. 2014/04 - 2017/03
    Osaka Kyoiku University Lecturer

  4. 2012/04 - 2014/03
    JSPS Postdoctoral fellow at Chiba University

  5. 2011/07 - 2011/12
    Institute for Mathematics for industry, Kyushu University GCOE Postdoctoral fellow for Research Abroad

Education 3

  1. Kyushu University Ph.D in Mathematics

    2008/04 - 2011/03

  2. Kyushu University Graduate School of Mathematics M.Sc in Mathematics

    2006/04 - 2008/03

  3. Kyushu University

    2002/04 - 2006/03

Professional Memberships 1

  1. THE MATHEMATICAL SOCIETY OF JAPAN

Research Areas 1

  1. Natural sciences / Basic analysis / Basic analysis

Papers 15

  1. Approximate representability of finite abelian group actions on the Razak-Jacelon algebra

    Norio Nawata

    Journal of Operator Theory Vol. 93 No. 1 p. 291-312 2025/03/15 Research paper (scientific journal)

    Publisher: Theta Foundation
  2. Strongly outer actions of certain torsion-free amenable groups on the Razak–Jacelon algebra

    Norio Nawata

    Proceedings of the Royal Society of Edinburgh: Section A Mathematics p. 1-9 2024/12/03 Research paper (scientific journal)

    Publisher: Cambridge University Press (CUP)
  3. A characterization of the Razak–Jacelon algebra

    Norio Nawata

    Analysis & PDE Vol. 16 No. 8 p. 1799-1824 2023/10/16 Research paper (scientific journal)

    Publisher: Mathematical Sciences Publishers
  4. Equivariant Kirchberg-Phillips type absorption for the Razak-Jacelon algebra

    Norio Nawata

    Journal of Functional Analysis Vol. 285 No. 8 p. 110088-110088 2023/10 Research paper (scientific journal)

    Publisher: Elsevier BV
  5. Rohlin actions of finite groups on the Razak-Jacelon algebra

    Norio Nawata

    International Mathematics Research Notices No. 4 p. 2991-3020 2021/02 Research paper (scientific journal)

  6. Trace scaling automorphisms of the stabilized Razak-Jacelon algebra

    Norio Nawata

    Proceedings of the London Mathematical Society Vol. 118 No. 3 p. 545-576 2019 Research paper (scientific journal)

  7. FINITE GROUP ACTIONS ON CERTAIN STABLY PROJECTIONLESS C*-ALGEBRAS WITH THE ROHLIN PROPERTY

    Norio Nawata

    TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY Vol. 368 No. 1 p. 471-493 2016/01 Research paper (scientific journal)

  8. A NOTE ON TRACE SCALING ACTIONS AND FUNDAMENTAL GROUPS OF C*-ALGEBRAS

    Norio Nawata

    PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY Vol. 142 No. 11 p. 3903-3908 2014/11 Research paper (scientific journal)

  9. Picard groups of certain stably projectionless C*-algebras

    Norio Nawata

    Journal of the London Mathematical Society Vol. 88 No. 1 p. 161-180 2013 Research paper (scientific journal)

    Publisher: John Wiley and Sons Ltd
  10. C*-ALGEBRAS ASSOCIATED WITH REAL MULTIPLICATION

    Norio Nawata

    PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY Vol. 140 No. 10 p. 3409-3419 2012/10 Research paper (scientific journal)

  11. Fundamental Group of Simple C*-algebras with Unique Trace III

    Norio Nawata

    CANADIAN JOURNAL OF MATHEMATICS-JOURNAL CANADIEN DE MATHEMATIQUES Vol. 64 No. 3 p. 573-587 2012/06 Research paper (scientific journal)

  12. Fundamental group of uniquely ergodic Cantor minimal systems

    Norio Nawata

    ADVANCES IN MATHEMATICS Vol. 230 No. 2 p. 746-758 2012/06 Research paper (scientific journal)

  13. Fundamental group of simple C*-algebras with unique trace II

    Norio Nawata, Yasuo Watatani

    JOURNAL OF FUNCTIONAL ANALYSIS Vol. 260 No. 2 p. 428-435 2011/01 Research paper (scientific journal)

  14. Fundamental group of simple C*-algebras with unique trace

    Norio Nawata, Yasuo Watatani

    ADVANCES IN MATHEMATICS Vol. 225 No. 1 p. 307-318 2010/09 Research paper (scientific journal)

  15. Morita equivalent subalgebras of irrational rotation algebras and real quadratic fields

    Norio Nawata

    Comptes rendus mathematiques Mathematical Reports Vol. 31 No. 3 p. 87-96 2009 Research paper (scientific journal)

Misc. 3

  1. On the Razak-Jacelon algebra

    Norio Nawata

    2023/11

  2. Simple stably projectionless C*-環について

    縄田紀夫

    第53回実函数論・函数解析学合同シンポジウム講演集 p. 60-69 2014/09 Research paper, summary (national, other academic conference)

  3. Irrational rotation algebras and real quadratic fields

    縄田紀夫

    HOKKAIDO UNIVERSITY TECHNICAL REPORT SERIES IN MATHEMATICS #126, 「第4回数学総合若手研究集会–他分野との学際的交流を目指して」 p. 187-194 2008/02 Research paper, summary (national, other academic conference)

Presentations 60

  1. $\mathcal{W}$-absorbing actions of finite groups

    Norio Nawata

    Recent Developments in Operator Algebras 2025/09/12

  2. $\mathcal{W}$-absorbing actions on the Razak-Jacelon algebra of finite groups

    Norio Nawata

    Kyoto Operator Algebras Seminar 2024/07/19

  3. Stably projectionless C$^*$-環について

    縄田紀夫

    多分野交流会 2024/03/27

  4. $\mathcal{W}$-absorbing actions of finite abelian groups

    Norio Nawata

    2024/03/19

  5. On the Razak-Jacelon algebra

    Norio Nawata

    2023/11/24

  6. Equivariant Kirchberg-Phillips type absorption for $\mathcal{W}$

    Norio Nawata

    2022/11

  7. Equivariant Kirchberg-Phillips type absorption for $\mathcal{W}$

    Norio Nawata

    Kyoto Operator Algebras Seminar 2022/11

  8. Cuntz algebra $\mathcal{O}_2$ (連続3回講演)

    縄田 紀夫

    関数解析研究会2022 2022/08/30

  9. Simple stably projectionless C*-algebras

    Norio Nawata

    2021/03/17

  10. A characterization of $\mathcal{W}$

    Norio Nawata

    2021/02/02

  11. A characterization of the Razak-Jacelon algebra

    Norio Nawata

    2020/10/01

  12. $\mathcal{W}$へのRohlin作用について

    縄田紀夫

    日本数学会 2019年度秋季総合分科会 2019/09/19

  13. Rohlin actions of finite groups on $\mathcal{W}$

    縄田紀夫

    RIMS共同研究 作用素環論の最近の進展 2019/09/06

  14. $\mathcal{W}$へのRohlin作用について

    縄田紀夫

    作用素環論研究会 2019/03/09

  15. 中心列C$^*$-環の無限性について

    縄田紀夫

    日本数学会 2018年度秋季総合分科会 2018/09

  16. Trace scaling automorphisms of $\mathcal{W}\otimes\mathbb{K}$

    Norio Nawata

    Applications of the UCT for C$^*$-algebras 2017/10

  17. Trace scaling automorphisms of $\mathcal{W}\otimes\mathbb{K}$

    縄田紀夫

    日本数学会 2017年度秋季総合分科会 2017/09

  18. Trace scaling automorphisms of $\mathcal{W}\otimes\mathbb{K}$

    縄田紀夫

    千葉大学解析セミナー 2017/08

  19. Trace scaling automorphisms of $\mathcal{W}\otimes\mathbb{K}$

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2017/06

  20. Trace scaling automorphisms of $\mathcal{W}\otimes\mathbb{K}$

    縄田紀夫

    京都作用素環セミナー 2017/05

  21. Trace scaling automorphisms of certain stably projectionless C$^*$-algebras

    縄田紀夫

    RIMS共同研究 量子情報理論に関連した作用素環論における諸問題の研究 2017/02

  22. Examples of simple stably projectionless C$^*$-algebras with non-zero pairings

    縄田紀夫

    日本数学会 2016年度秋季総合分科会 2016/09

  23. Examples of simple stably projectionless C$^*$-algebras with non-zero pairings

    Norio Nawata

    YMC$^*$A 2016/07

  24. A Rohlin type theorem for trace scaling automorphisms of $\mathcal{W}\otimes\mathbb{K}$

    Norio Nawata

    Oberseminar C$^*$-Algebren 2015/05

  25. A survey of the classification of simple stably projectionless C$^*$-algebras (I), (II)

    縄田紀夫

    RIMS共同研究 作用素環の分類理論とその周辺 2015/02

  26. Fundamental group of uniquely ergodic Cantor minimal systems

    縄田紀夫

    関西作用素環セミナー 2014/11

  27. Simple stably projectionless C$^*$-環について

    縄田紀夫

    第53回実函数論・函数解析学合同シンポジウム 2014/09

  28. Rohlin actions on $\mathcal{W}_2$

    縄田紀夫

    京都作用素環セミナー 2014/05

  29. Finite group actions on certain stably projectionless C$^*$-algebras with the Rohlin property

    縄田紀夫

    日本数学会 2014年度年会 2014/03

  30. Finite group actions on certain stably projectionless C$^*$-algebras

    縄田紀夫

    RIMS研究集会 作用素環の最近の進展 2013/09

  31. A Rohlin type theorem for trace scaling automorphisms of certain stably projectionless C$^*$-algebras

    縄田紀夫

    日本数学会 2013年度秋季総合分科会 2013/09

  32. Symmetries of certain stably projectionless C$^*$-algebras

    Norio Nawata

    Operator algebra seminar at University of Copenhagen 2013/06

  33. Fundamental groups of C$^*$-algebras

    縄田紀夫

    信州関数解析シンポジウム 2013/03

  34. Central sequence C$^*$-algebras of certain stably projectionless C$^*$-algebras

    縄田紀夫

    RIMS共同研究 量子化と作用素環 2013/02

  35. Central sequence C$^*$-algebras of certain stably projectionless C$^*$-algebras

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2012/12

  36. Fundamental group of simple C$^*$-algebras with unique trace

    縄田紀夫

    東京大学作用素環セミナー 2012/11

  37. Fundamental group of uniquely ergodic Cantor minimal systems

    縄田紀夫

    日本数学会 2012年度秋季総合分科会 2012/09

  38. Picard groups of certain stably projectionless C$^*$-algebras

    縄田紀夫

    RIMS研究集会 作用素環論の最近の発展と関連する話題について 2012/09

  39. 射影を持たないC$^*$-環について

    縄田紀夫

    関数解析研究会 2012/08

  40. A stably projectionless analog of both the Cuntz algebra $\mathcal{O}_\infty$ and the Jiang--Su algebra $\mathcal{Z}$

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2012/01

  41. Fundamental group of uniquely ergodic Cantor minimal system

    Norio Nawata

    2011 Canadian Mathematical Society Winter Meeting Operator Algebras Session 2011/12

  42. Most recent work

    Norio Nawata

    Fields Institute Operator algebra seminar 2011/07

  43. カントール極小系の基本群

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2011/06

  44. Fundamental group of simple $C^*$-algebras with unique trace III

    縄田紀夫

    日本数学会 2011年度年会 2011/03

  45. Fundamental group of $C^*$-algebras

    縄田紀夫

    関数解析研究会 2010/09

  46. Fundamental group of simple $C^*$-algebras with unique trace III

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2010/07

  47. Fundamental group of simple $C^*$-algebras with unique trace

    Norio Nawata

    Great Plains Operator Theory Symposium 2010/06

  48. Fundamental group of simple $C^*$-algebras with unique trace II

    縄田紀夫, 綿谷安男

    日本数学会 2010年度年会 2010/03

  49. Fundamental group of simple $C^*$-algebras with unique trace

    縄田紀夫

    第122回日本数学会九州支部例会 2010/02

  50. Any countable subgroup can be realized as the fundamental group of simple $C^*$-algebra with unique trace

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2009/11

  51. Fundamental group of simple $C^*$-algebras with unique trace

    縄田紀夫

    RIMS研究集会 作用素環とその関連分野の研究 2009/09

  52. $C^*$-環のbimoduleについて

    縄田紀夫

    関数解析研究会 2009/09

  53. Fundamental group of simple $C^*$-algebras with unique trace

    縄田紀夫, 綿谷安男

    日本数学会 2009年度秋季総合分科会 2009/09

  54. Fundamental group of simple $C^*$-algebras with unique trace

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2009/05

  55. $C^*$-algebras associated with real multiplication

    縄田紀夫

    第120回日本数学会九州支部例会 2009/01

  56. $C^*$-algebras associated with real multiplication

    縄田紀夫

    関数解析研究会 2008/09

  57. Irrational rotation algebras and real quadratic fields

    縄田紀夫

    第4回数学総合若手研究集会 2008/02

  58. Irrational rotation algebras and real quadratic fields

    縄田紀夫

    九州大学作用素環論・エルゴード理論セミナー 2008/01

  59. 無理数回転環と実二次体

    縄田紀夫

    第117回日本数学会九州支部例会 2007/10

  60. Irrational rotation algebras and real quadratic fields

    縄田紀夫

    関数解析研究会 2007/09