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I am an Associate Professor in the Department of Mathematics Education at Jeju National University.

Before that, I was a postdoctoral researcher at UNIST within the UNIST Number Theory Group, and at Incheon National University in the Republic of Korea. I obtained my PhD in July 2019 under the supervision of Alfred Geroldinger as part of the doctoral program DK Discrete Mathematics at the University of Graz in Austria.

My research interests are in commutative algebra, with a focus on non-unique factorizations of rings and monoids, and in combinatorial and additive number theory, with a focus on the study of product-one sequences over finite groups.

Contact

E-Mail:
junseok.oh@jejunu.ac.kr
Address:
Department of Mathematics Education
Jeju National University
Jejudaehak-ro 102, Jeju-si
Jeju Special Self-Governing Province 63243
Republic of Korea
Office:
Office 2208, Building of College of Education 2nd

Publications

  1. arXiv
    A classification of finite groups with small Davenport constant.
    Submitted.
  2. arXiv DOI
    On the isomorphism problem for monoids of product-one sequences.
    (with A. Geroldinger).
    Bull. London Math. Soc. 57 (2025), 1482 - 1495.
  3. arXiv DOI
    Prime factorization of ideals in commutative rings, with a focus on Krull rings.
    (with G.W. Chang).
    J. Korean Math. Soc. 60 (2023), 407 - 464.
  4. PDF DOI
    On the class semigroup of root-closed weakly Krull Mori monoids.
    Semigroup Forum 105 (2022), 517 - 533.
  5. PDF DOI
    When does a quotient ring of a PID have the cancellation property?
    (with G.W. Chang).
    Int. Electron. J. Algebra 32 (2022), 86 - 90.
  6. arXiv DOI
    On zero-sum free sequences contained in random subsets of finite cyclic groups.
    (with S.J. Lee).
    Discrete Appl. Math. 330 (2023), 118 - 127.
  7. PDF DOI
    The monoid of regular elements in commutative rings with zero divisors
    (with G.W. Chang).
    Comm. Algebra 50 (2022), 1182 - 1198.
  8. arXiv DOI
    On product-one sequences over dihedral groups.
    (with A. Geroldinger, D.J. Grynkiewicz, and Q. Zhong).
    J. Algebra Appl. 21 (2022), 2250064 (58 pp).
  9. arXiv DOI
    On Erdös-Ginzburg-Ziv inverse theorems for Dihedral and Dicyclic groups.
    (with Q. Zhong).
    Israel J. Math. 238 (2020), 715 - 743.
  10. arXiv DOI
    On minimal product-one sequences of maximal length over Dihedral and Dicyclic groups.
    (with Q. Zhong).
    Commun. Korean Math. Soc. 35 (2020), 83 - 116.
  11. arXiv DOI
    On the algebraic and arithmetic structure of the monoid of product-one sequences II.
    Period. Math. Hungar. 78 (2019), 203 - 230.
  12. arXiv DOI
    On the algebraic and arithmetic structure of the monoid of product-one sequences.
    J. Commut. Algebra 12 (2020), 409 - 433.