YU IIJIMA

Last Updated :2020/12/01

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Assistant Professor
E-mail
iwyijimahiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Hiroshima University
  • Kyoto University

Educational Activity

Course in Charge

  1. 2020, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  2. 2020, Undergraduate Education, 3Term, Exercises in Fundamental Concepts of Mathematics II
  3. 2020, Graduate Education (Master's Program) , First Semester, Seminar of Algebra I
  4. 2020, Graduate Education (Master's Program) , Second Semester, Seminar of Algebra I
  5. 2020, Graduate Education (Master's Program) , Academic Year, Algebra Seminar I
  6. 2020, Graduate Education (Master's Program) , Academic Year, Algebra Seminar I

Research Activities

Academic Papers

  1. A pro-l version of the congruence subgroup problem for mapping class groups of genus one, J. Algebra, 520, 1-31
  2. The pro-l outer Galois actions associated to modular curves of prime power level, J. Théor. Nombres Bordx, 30(3), 781-799
  3. Difference between l-adic Galois representations and pro-l outer Galois representations associated to hyperbolic curves, MANUSCRIPTA MATHEMATICA, 153(1-2), 129-145, MAY 2017
  4. Galois action on mapping class groups, 45(2), 207-230

Invited Lecture, Oral Presentation, Poster Presentation

  1. On an exact sequence relating the combinatorial anabelian geometry of hyperbolic curves, Yu Iijima, Branched Coverings, Degenerations, and Related Topics 2019, 2019/03/05, With Invitation, English, Hiroshima
  2. Galois action on the image of the pro-l universal monodromy representation of the moduli stack of hyperbolic curves, Iijima, Yu, Low dimensional topology and number theory VIII, 2016/03/25, With Invitation, English, Fukuoka
  3. Difference between l-adic Galois representations and pro-l outer Galois representations associated to hyperbolic curves, Iijima, Yu, Industrious Number Theory 2015, 2015/11/27, With Invitation, English, Seoul
  4. A pro-l version of the congruence subgroup problem for mapping class groups of genus one, Iijima, Yu, Workshop on Multiple Zeta Values, Modular Forms and Elliptic Motives II, 2014/12/04, With Invitation, English, Madrid
  5. Galois Action on Mapping Class Groups, Yu iijima, Mini-workshop on Number Theory/Arithmetic Geometry, 2013/01/31, With Invitation, English, Kyoto