Selected Invited Talks & Conference Presentations

• ICM (2014), IWOTA (2012–2025), RIMS Kyoto (2015, 2018, 2021, 2023), AMS Joint Meetings (2019), WOTCA (2017–2025). 

• Selected Domestic Presentations

• Korean Mathematical Society (2007–2025), KIAS Focus Programs (2024), Ewha-IMS Workshops, AI-based Education Seminars. 

• WOTCA 2025 (Workshop on Operator Theory, Complex Analysis and Applications)
  On Conjugations and Complex Symmetric Toeplitz Operators
  University of Aveiro, Portugal, July 7–11, 2025.
  
  

• RIMS Conference 2023
  On C-normal Weighted Composition Operators on the Hardy Space
  Kyoto University, Japan, Nov. 6–8, 2023.
  
  

• Spectral Theory of Operators – Virtual Workshop 2021
  On Complex Symmetric Toeplitz Operators on Generalized Hardy Spaces
  Online (hosted by Seoul National University), Dec. 28, 2021.
  
  

• RIMS Conference 2021
  Properties of C-Normal Operators
  Kyoto University (online), Oct. 25–27, 2021.
  
  

• Ewha IMS International Conference on Computational Mathematics 2021
  Properties of Toeplitz Operators on Newton Spaces
  Ewha Womans University (online), Aug. 25–27, 2021.
  
  

• Working Groups for Women in Operator Theory 2021
  Complex Symmetric Operators and Their Applications
  Lorentz Center, Netherlands (online via Microsoft Teams), July 27–30, 2021.
  
  

• WOTCA 2021 (Virtual Conference)
  Toeplitz Operators on the Newton Space
  University of Lisbon (online), June 21–24, 2021.
  
  

• Operator Theory 2020 Virtual Workshop (in honor of Muneo Cho)
  Complex Symmetry of Truncated Shift-Type Operator Matrices and Their Transforms
  Online, Dec. 19, 2020.
  
  

• Women in Operator Theory and Its Applications 2019
  Toeplitz Operators on the Weighted Bergman Space and Their Complex Symmetry
  University of Lisbon (IST), Portugal, June 17–19, 2019.
  
  

• AMS Joint Mathematics Meetings 2019
  Operator Matrices with Hankel and Toeplitz Entries
  Baltimore Convention Center, USA, Jan. 16–19, 2019.
  
  

• IWOTA 2018 (International Workshop on Operator Theory and Its Applications)
  Properties of (m,C)-Isometric Commuting Tuples of Operators
  East China Normal University, Shanghai, China, July 23–28, 2018.
  
  

• IWOTA 2017
  On Binormal Toeplitz Operators on the Hardy Space
  Chemnitz University of Technology, Germany, Aug. 14–18, 2017.
  
  

• ICM 2014 (International Congress of Mathematicians)
  Truncated Toeplitz Operators and Their Normality on Finite-Dimensional Spaces
  Seoul, Korea, Aug. 13–21, 2014.
  
  

• IWOTA 2014
  Complex Symmetric Operators and Their Rank-One Perturbations
  VU University Amsterdam, Netherlands, July 14–18, 2014.

Recent (2020–2025)

• Korean Mathematical Society (KMS) Fall Meeting 2025
  A New Class of C-Subnormal Operators
  Korea Science & Technology Convention Center, Seoul, Oct. 22–24, 2025.
  
  

• HCMC Focus Program: Function Theory, Operator Theory and Applications (2024)
  Complex Symmetric Toeplitz Operators on Function Spaces
  Korea Institute for Advanced Study (KIAS), Apr. 11, 2024. (90-minute talk)
  
  

• KMS Fall Meeting 2024
  On Properties of Antilinear Isometric Operators on a Banach Space
  Sungkyunkwan University, Oct. 24–26, 2024.
  
  

• HCMC Focus Program (2024)
  On Toeplitz Operators on Newton Spaces
  Korea Institute for Advanced Study (KIAS), May 31, 2024. (50-minute talk)
  
  

• KMS Spring Meeting 2024
  Properties of m-Expansive Tuples of Commuting Operators on a Banach Space
  Daejeon Convention Center & KAIST, Apr. 18–20, 2024.
  
  

• KMS Fall Meeting 2023
  Remark on the Generalized Sylvester Operator Equation AX−YB=C
  Seoul National University, Oct. 26–28, 2023.
  
  

• KMS Spring Meeting 2023
  On Properties of C-Normal Weighted Composition Operators
  Daejeon Convention Center, Apr. 27–29, 2023.
  
  

• KMS Fall Meeting 2022
  Algebraic Properties of Toeplitz Operators on Newton Spaces
  Hybrid Conference, Oct. 18–22, 2022.
  
  

• KMS Fall Meeting 2021
  Rank-One Perturbations of Normal Operators and Their Local Spectral Properties
  Online (Zoom), Oct. 20–22, 2021.
  
  

• KMS Spring Meeting 2021
  On Complex Symmetric Composition Operators on the Newton Space
  Online (Zoom), Apr. 29–30, 2021.
  
  

Education & Outreach (Selected)

• BuiLearn Seminar 2024
  AI-Based Personalized Learning Systems: UntactEdu vs. UNIMe
  President Hotel, Seoul, July 9, 2024.
  (Application to Calculus I courses)
  
  

Earlier Selected Presentations (2007–2019)

• KMS Spring Meeting 2019
  On Complex Symmetric Toeplitz Operators on the Weighted Bergman Space
  Kangwon National University, Apr. 19–20, 2019.
  
  

• KMS Fall Meeting 2017
  On Hankel and Toeplitz Operators and Block Matrices
  Dankook University, Oct. 27–29, 2017.
  
  

• KMS Fall Meeting 2016
  On Binormal Operator Matrices and Their Applications
  Seoul National University, Oct. 20–23, 2016.
  
  

• KMS Fall Meeting 2015
  m-Complex Symmetric Operators and Their Properties
  Yonsei University, Oct. 23–25, 2015.
  
  

• KMS Fall Meeting 2014
  Normality of Truncated Toeplitz Operators on Finite-Dimensional Spaces
  University of Seoul, Oct. 24–26, 2014.
  
  

• KMS Fall Meeting 2007
  On Rank-One Perturbations of the Unilateral Shift
  KAIST, Oct. 20–21, 2007.

Research Visits & Collaborations

• Bucknell University, USA — Research visits with G. Exner
  2017, 2019 (Distinguished Visiting Professor), 2023, 2024
  
  

• Université de Lille, France — Research visits with Chafiq Benhida
  2018, 2019, 2023, 2024
  
  

• Kyoto University (RIMS), Japan — Research visits with Muneo Cho
  2015, 2016, 2018
  
  

• Kanagawa University, Japan — Research visit with Muneo Cho
  2015, 2018
  
  

• Ohio State University, USA — Research visit with Boris Mityagin
  2019
  
  

• Syracuse University, USA — Research visit with A. Bourhim
  2017
  
  

• University of Agriculture in Kraków, Poland — Research visit with Marek Ptak
  2024
  
  

Invited Lectures & Schools

• Operator Algebras and Theory Winter School 2019
  Invited main lecturer (6 hours)
  Hosted by Seoul National University, Korea.
  
  

• Bucknell University, USA
  Invited talks:
  “On Complex Symmetric Operators”
  “Complex Symmetric Operators on the Hardy Space” (2019)
  
  

Conferences & Professional Activities

• Joint Mathematics Meetings (AMS)
  Participant: 2007, 2015, 2019 (USA)
  
  

• AMS Reviewer
  2015–Present
  
  

Training & Programs

• Financial Engineering Program (48 hours)
  National Center for Women in Science & Engineering / Ewha Womans University, 2007