Chol Park

박 철

Assistant Professor


Nat. Sci. Bldg (108), Room 301-14

Dept. of Math. Sciences, UNIST

UNIST-gil 50, Ulsan 44919, S. Korea


Contact Information

+82-52-217-2533 (office)

+82-52-217-2219 (fax)

cholpark@unist.ac.kr


Education and Employment

  • Assistant Professor, Ulsan National Institute of Science and Technology, Feb. 2019 - present.

  • CMC Fellow, Korea Institute for Advanced Study, Sep. 2018 - Jan. 2019.

  • Research Fellow, Korea Institute for Advanced Study, Aug. 2015 - Aug. 2018.

  • Postdoctoral Fellow, Max Planck Institute for Mathematics, Bonn, Aug. 2014 - July 2015.

  • Postdoctoral Fellow, University of Toronto, July 2013 - June 2014.

  • Ph. D., University of Arizona, May 2013 (Advisor: David Savitt).


Research Interests

  • p-adic Galois representations.

  • (Integral) p-adic Hodge theory.

  • Automorphic representations.


Papers

  • Colength one deformation rings: results and applications (with D. Le, B. Le Hung, S. Morra, Z. Qian)
    preprint, 34 pages.

  • Moduli of Fontaine--Laffaille representations and a mod-p local-global compatibility result (with D. Le, B. Le Hung, S. Morra, Z. Qian)
    submitted, 169 pages pdf.

  • Semi-stable deformation rings in even Hodge--Tate weights: the residually reducible case (with Wan Lee)
    Int. J. Number Theory 18 no.10 (2022) 2171--2209 pdf.

  • A classification of Breuil modules
    Israel J. Math. 242 (2021) 605–635 pdf.

  • On mod p local-global compatibility for GL_n(Q_p) in the ordinary case (with Z. Qian)
    Mém. Soc. Math. France
    173 (2022) vi+150 pdf.

  • Semi-stable deformation rings in even Hodge--Tate weights (with L. Guerberoff)
    Pacific J. Math. 298-2 (2019) 299--374
    pdf.

  • On mod p local-global compatibility for GL_3(Q_p) in the non-ordinary case (with D. Le, S. Morra)
    Proc. Lond. Math. Soc. 117 (2018) 790--848
    pdf.

  • Serre weights for three-dimensional ordinary Galois representations (with S. Morra)
    J. Lond. Math. Soc. 96 (2017) 394--424
    pdf.

  • Reduction modulo p of certain semi-stable representations
    Trans. Amer. Math. Soc. 369 (2017) 5425--5466 pdf.

  • Regular filtered (ϕ,N)-modules of dimension 3
    J. Number Theory
    163 (2016) 406--433 pdf.

Grants / Awards / etc.

  • Grant from Samsung Science & Technology Foundation (PI), Aug. 2020.

  • Basic Research Lab (BRL), National Research Foundation of Korea (Co-PI), July 2020 -- Feb. 2023.

  • Posco TJ Park Science Fellowship for Young Professors, Jan. 2020.

  • Associate Member, Korea Institute for Advanced Study, April 2019 -- present.

  • Research Award of the Year, Korea Institute for Advanced Study, Sep. 2016.


Teaching

Fall 2022

    • Elementary Number Theory

Spring 2022

    • Algebraic Geometry II

Fall 2021

    • Algebraic Geometry

    • Modern Algebra II

Spring 2021

    • Modern Algebra I

Fall 2020

    • Graduate Algebra II

    • Topology



Current Students

  • Seongjae Han (Ms-PhD), Mar. 2022

  • Euntaek Lee (Ms-PhD), Mar. 2021

  • Hyeonmin Cheon (Ms), Sep. 2020

  • Jeonghyo Park (Ms-PhD), Mar. 2020


Upcoming Events / Useful Links

Chol Park