• Department of Mathematics, Changwon National University, Republic of Korea      

• E-mail: suminkim@changwon.ac.kr or suminkim1023@gmail.com

• Operator theory(Toeplitz operators, Hankel operators, Composition operators, etc.) 

• Function theory(vector-valued function spaces)         

• Functional Analysis

Assistant professor, Department of Mathematics, Changwon National University, January 2025-present.

Sungkyunkwan University, Combine Master-Ph.D., in Mathematics, August 2019

Thesis: Toeplitz Operators and Their Applications

Advisor: In Sung Hwang (Sungkyunkwan University)

• Research Grant(개인연구, PI), NRF of Korea (RS-2026-25471828), Structure of operators on vector-valued Hardy spaces, March 2026 - present

• Research Grant(개인연구, PI), NRF of Korea (RS-2023-00244646), Vector-valued function spaces and operators,  June 2023 - present

• Research Grant(개인연구, PI), NRF of Korea (2020R1I1A1A01053085), Hyponormal Toeplitz operators and Interpolation problem, June 2020 - November 2023

• Research Grant(집단연구, Co-PI), NRF of Korea (2019R1A6A1A10073079), Structure of Hilbert space operators, March 2023 - December 2024

• Research Grant(집단연구, Co-PI), NRF of Korea (2019R1A6A1A10073079), Toeplitz Operators on the Hardy space, September 2019 - August 2021 

• 2026 Annual Best Paper Award (My paper was selected as the 2026 Best Paper Award of the Banach Journal of Mathematical Analysis, among 153 papers published in 2024–2025)