Updated on 2024/03/28

写真a

 
EI HIROMI
 
Affiliation
Graduate School of Science and Technology Research Division

Degree

  • 博士（理学）

Research Areas

  • Natural Science / Basic mathematics

Papers

  • On the ergodic theory of maps associated with the nearest integer complex continued fractions over imaginary quadratic fields

    Hiromi EI, Hitoshi NAKADA, Rie NATSUI

    Discrete and Continuous Dynamical Systems   43 ( 22 )   3883 - 3924   2023.11

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

  • On the existence of the Legendre constants for some complex continued fraction expansions over imaginary quadratic fields

    Hiromi Ei, Hitoshi Nakada, Rie Natsui

    Journal of Number Theory   238   106 - 132   2022.5

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

  • Report of computer experiments on the Rauzy fractals

    Hiromi Ei, Hui Rao

    RIMS Kokyuroku   2188   87 - 95   2021.7

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    Language：English   Publishing type：Research paper (bulletin of university, research institution)   Kind of work：Joint Work  

  • On folding of planar regular pentagon rings

    Hiromi Ei, Hiroko Hayashi, Kazushi Komatsu

    Nihonkai Mathematical Journal   31 ( 1 )   45 - 58   2020.10

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

  • On the construction of the natural extension of the Hurwitz complex continued fraction map

    Shunji Ito, Hitoshi Nakada, Rie Natsui

    Monatshefte für Mathematik   188 ( 1 )   37 - 86   2019.2

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

  • pentagon ring puzzle

    1 ( 6 )   2018.4

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

  • Reversing a polyhedral annulus of even isosceles right triangles by origami-deformation

    1 ( 7 )   2018.4

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    Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)   Kind of work：Joint Work  

  • Linear independence results for the reciprocal sums of Fibonacci numbers associated with Dirichlet characters

    Hiromi EI, Florian LUCA, Yohei TACHIYA

    Studia Sci. Math. Hungar.   54 ( 1 )   61 - 81   2017

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

  • Analysis of the motion of the pop-up spinner

    Hiroko Hayashi, Kazushi Komatsu

    Forma   31 ( 1 )   1 - 5   2016.4

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

  • Stepped surfaces and Rauzy fractals induced from automorphisms on the free group of rank 2

    Hiromi EI

    Theoretical Computer Science   528   57 - 78   2014.2

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Single Work  

  • Rauzy fractals induced from automorphisms on the free group of rank 2 related to continued fractions

    Hiromi EI

    RIMS Kokyuroku Bessatsu   2012.8

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Single Work  

  • Decomposition theorem on invertible substitutions

    Hiromi Ei, Shunji Ito

    OSAKA J. Math.   1998.12

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    Language：English   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work  

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Social Activities

  • RIMS合宿型セミナー「数論アルゴリズムの自然拡大とS-adic システム」

    2014.08 - 2015.07

  • 夏休みの数学

    2014.08

  • 高知大学　幾何学セミナー　非常勤講師

    2013.09

  • RIMS 研究集会「数系と置換規則2012」　組織委員

    2012.04 - 2013.03

  • ドリーム講座（八戸西高校）

    2011.10

  • 青森サイエンスキャンプ（八戸北高等学校）

    2010.09

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