Faculty profiles

Basic information

UDAGAWA Yoichi
  • Affiliation
    Associate Professor
  • Affiliated education department
    Advanced Practice of School Education(School Subjects Education)
  • Affiliated course
    Mathematics
  • E-mail

Degree

2017.3

Major research achievement

Academic papers

  1. (2023/12) (Joint authorship)
    Volume / Issue / Page: Volume 678, 206226
  2. Ramesh Golla, Hiroyuki Osaka, Yoichi Udagawa, Takeaki Yamazaki, Stability of AN -operators under functional calculus (2023/09) (Joint authorship)
    Name of journal: Analysis Mathematica
    Volume / Issue / Page: Volume 49, Number 3
  3. (2022/12) (Joint authorship)
    Volume / Issue / Page: Volume 70, Number 20
  4. (2022/03) (Individual authorship)
    Volume / Issue / Page: Volume 7, Number 2
  5. (2021/03) (Individual authorship)
    Volume / Issue / Page: Volume 15, Number 1
  6. Yoichi Udagawa, Udagawa, Operator monotonicity of a 2-parameter family of functions and exp{f(x)} related to the Stolarsky mean. (2017/06) (Individual authorship)
    Name of journal: Operators and Matrices
    Volume / Issue / Page: Volume 11, Number 2
  7. Yoichi Udagawa, Takeaki Yamazaki, Masahiro Yanagida, Some properties of weighted operator means and characterizations of interpolational means (2017/02) (Joint authorship)
    Name of journal: Linear Algebra and its Applications
    Volume / Issue / Page: Volume 517, 217-234
  8. Yoichi Udagawa, Shuhei Wada, Takeaki Yamazaki, Masahiro Yanagida, On a family of operator means involving the power difference means (2015/07) (Joint authorship)
    Name of journal: Linear Algebra and its Applications
    Volume / Issue / Page: Volume 485, 124-138

Conference presentations

  1. (2025/11) (Presentation)
    Classification: Domestic academic society (nationwide)
  2. (2023/11/23) (Presentation)
    Classification: Domestic academic society (nationwide)
  3. (2022/12/16) (Presentation)
    Classification: Overseas academic society
  4. (2021/11/27) (Presentation)
    Classification: Domestic academic society (nationwide)
  5. (2019/10/05) (Presentation)
    Classification: Domestic academic society (regional block)
  6. (2018/06/24) (Presentation)
    Classification: Overseas academic society
  7. (2018/02) (Presentation)
    Classification: Domestic academic society (regional block)

Research activities over the past five years

Academic papers

  1. (2023/12) (Joint authorship)
    Volume / Issue / Page: Volume 678, 206226
  2. Ramesh Golla, Hiroyuki Osaka, Yoichi Udagawa, Takeaki Yamazaki, Stability of AN -operators under functional calculus (2023/09) (Joint authorship)
    Name of journal: Analysis Mathematica
    Volume / Issue / Page: Volume 49, Number 3
  3. (2022/12) (Joint authorship)
    Volume / Issue / Page: Volume 70, Number 20
  4. (2022/03) (Individual authorship)
    Volume / Issue / Page: Volume 7, Number 2

Conference presentations

  1. (2025/11) (Presentation)
    Classification: Domestic academic society (nationwide)
  2. (2023/11/23) (Presentation)
    Classification: Domestic academic society (nationwide)
  3. (2022/12/16) (Presentation)
    Classification: Overseas academic society