Chol Park
박 철
Associate Professor
Nat. Sci. Bldg (108), Room 301-14
Dept. of Mathematical Sciences, UNIST
UNIST-gil 50, Ulsan 44919, S. Korea
Contact Information
+82-52-217-2533 (office)
+82-52-217-2219 (fax)
cholpark"at"unist.ac.kr
Education and Employment
Associate Professor, Ulsan National Institute of Science and Technology, Mar. 2024 - present.
Assistant Professor, Ulsan National Institute of Science and Technology, Feb. 2019 - Feb. 2024.
CMC Fellow, Korea Institute for Advanced Study, Sep. 2018 - Jan. 2019.
Research Fellow, Korea Institute for Advanced Study, Aug. 2015 - Aug. 2018 (Mentor: Youn-Seo Choi).
Postdoctoral Fellow, Max Planck Institute for Mathematics, Bonn, Aug. 2014 - July 2015.
Postdoctoral Fellow, University of Toronto, July 2013 - June 2014 (Mentor: Florian Herzig).
Ph. D., University of Arizona, May 2013 (Advisor: David Savitt).
Research Interests
Weight part of Serre's conjecture.
Breuil--Mezard conjecture.
Mod-p local-global compatibility.
Emerton--Gee stacks.
Local models for Galois deformation rings.
Papers
On the irreducible components of some semi-stable deformation rings (with S. Han)
in preparation.Colength one deformation rings (with D. Le, B. Le Hung, S. Morra, Z. Qian)
submitted, 34 pages pdf.Moduli of Fontaine--Laffaille representations and a mod-p local-global compatibility result (with D. Le, B. Le Hung, S. Morra, Z. Qian)
Mem. Amer. Math. Soc. (to appear), 169 pages pdf.Semi-stable deformation rings in even Hodge--Tate weights: the residually reducible case (with W. 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.
KIAS Alumni Academic Award, Korea Institute for Advacned Study, 2023
Grant from Samsung Science & Technology Foundation (PI), Aug. 2020.
Basic Research Lab (BRL), National Research Foundation of Korea (Co-I), July 2020 -- Feb. 2023.
Posco TJ Park Science Fellowship for Young Professors, 2020.
Associate Member, Korea Institute for Advanced Study, Apr. 2019 -- Feb. 2020.
KIAS Research Fellow Award, Korea Institute for Advanced Study, 2016.
Teaching
Spring 2024
Modern Algebra I
Fall 2023
Algebraic Topology
Spring 2023
Advanced Algebra
Fall 2022
Elementary Number Theory
Spring 2022
Algebraic Geometry II
Fall 2021
Algebraic Geometry I
Modern Algebra II
Spring 2021
Modern Algebra I
Students
Current:
Hyeonmin Kim (Ph.D. expected in 2029)
Seongjae Han (Ph.D. expected in 2027)
Euntaek Lee (Ph.D. expected in 2027)
Former:
Hyeonmin Cheon (Ms in 2023, currently PhD program at Indiana Univ.)