---- 2025 ----
(2025.10.21) Geometry, PDE, and Mathematical Physics, Texas Tech University, US
(Virtual talk) Lower bounds for the first eigenvalue on hypersurfacesย
(2025.10.16) KAIST, Deajeon, Korea
(Talk) TBA
(2025.09.26) Geometry Day, Korea University, Seoul, Korea
(Talk) Rigidity of three-manifolds via the magnetically charged Hawking mass
(2025.06.30 - 07.01) 2025 KWMS International Conference, KIAS, Seoul, Korea
(Talk) Modified Hawking mass and rigidity of three-manifolds with boundary
(2025.06.26 - 06.28) 2025 Youngnam Mathematical Society - Chungcheong Mathematical Society Joint Annual Meeting, Kyungpook National University, Daegu, Korea
(Talk) Modified Hawking mass and rigidity of three-manifolds with boundary
(2025.06.16 - 06.20) Contemporary Topics in Mathematics: Geometric Analysis and Algebra, VIASM and Thai Nguyen University, Vietnam
(Talk) Eigenvalue estimates on hypersurfaces
(2025.05.21 - 05.27) International Conference on Geometry, Algebra and Mathematical Physics, New Uzbekistan University, Tashkent, Uzbekistan
(2025.05.16 - 05.18) Mini Workshop on Real and Complex Geometry, Eldis Regent Hotel, Daegu, Korea
(Talk) Eigenvalue estimates on ๐-hypersurfaces
(2025.04.24 - 04.26) 2025 KMS Spring Semester Meeting (2025๋ ๋ํ์ํํ ๋ด ์ฐ๊ตฌ๋ฐํํ), KAIST, Daejeon, Korea
(Talk) The first eigenvalue estimates on ๐-hypersurfaces
(2025.04.04) Geometry Day, Korea University, Seoul, Korea
(2025.02.12 - 02.13) POSTECH-PNU Joint BK21 Mathematics Workshop, POSTECH, Pohang, Korea
(Talk) Eigenvalue estimates on ย ๐-hypersurfaces
(2025.01.19 - 01.24) The 20th KIAS Winter School on Geometry(์ 20ํ ๊ณ ๋ฑ๊ณผํ์ ๊ธฐํํ ๊ฒจ์ธํ๊ต), High1 Resort, Korea
(2025.01.06 - 01.10) The 11th Korea PDE Winter School, UNIST, Ulsan, Korea
---- 2024 ----
(2024.10.29) Junior Colloquium, Pusan National University, Busan, Korea
(Talk) ย A first eigenvalue estimate for ๐-hypersurfaces
(2024.10.04) Geometry Seminar, Chung-Ang University, Seoul, Korea
(Talk) Lower bound of the first eigenvalue for ๐-hypersurfaces in Euclidean space
(2024.09.27 - 09.28) The 5th YoungNam Geometry and Topology Conference, Pusan National University, Busan, Korea
(Talk)ย A first eigenvalue estimate for ๐-hypersurfaces
(2024.06.28 - 06.30) 2024 YoungNam Mathematical Society,ย Pusan National University, Busan, Korea
(Talk) Stability properties and rigidity results of ๐-translating solitons
(2024.05.28) 2024 Spring Semester Junior Colloquium, Pusan National University, Busan, Korea
(Talk) Compactness theorems for ๐-translating solitons and its applications
(2024.05.18 - 05.20) Workshop on Geometric Analysis VI, Haeundae, Korea
(Talk) Compactness theorems for ๐-translating solitons and its applications
(2024.04.18 - 04.20) 2024 KMS Spring Semester Meeting (2024๋ ๋ํ์ํํ ๋ด ์ฐ๊ตฌ๋ฐํํ), Daejeon, Korea
(Talk) Compactness theorem for ๐-translating solitons and its applications
(2024.02.18 - 02.23) The 19th KIAS Winder School (์ 19ํ ๊ณ ๋ฑ๊ณผํ์ ๊ธฐํํ ๊ฒจ์ธํ๊ต), High1 Resort, Korea
(2024.01.12 - 01.19) 2024 The Fifth Taiwan International Conference on Geometry, National Taiwan University, Taiwan
(2024.01.08 - 01.10) Workshop on Geometric Analysis V: Capillary Hypersurfaces and Beyond, Haeundae, Korea
---- 2023 ----
(2023.12.05) 2023 Fall Semester Junior Colloquium, Pusan National University, Korea
(2023.10.26 - 10.28) 2023 KMS Fall Meeting (2023๋ ๋ํ์ํํ ๊ฐ์ ์ฐ๊ตฌ๋ฐํํ), Seoul National University, Korea
(Poster Talk) Rigidity of stable ๐-translating solitons
(2023.09.22 - 09.23) The 4th YoungNam Geometry and Topology Conference (์ 4ํ ์๋จ๊ถ ๊ธฐํ์์ ํํ), Kyungpook National University, Korea
(2023.08.31 - 09.02) Summer Seminars of Geometry and Topology at PNU, Pusan National University, Korea
(2023.08.27 - 08.29) The 24th International Differential Geometry Workshop, Pukyong National University, Korea
(2023.08.14 - 08.25) VIASM - ICTP Summer School on Differential Geometry, VIASM, Vietnamย
(2023.07.14 - 07.16) 2023 YoungNam Mathematical Society, Kyungpook National University, Korea
(Poster Talk) Stability properties and rigidity results of ๐-translating solitons
(2023.07.10 - 07.11) Mini-workshop on Riemannian and complex geometry, Kyungpook National University, Korea
(2023.06.26 - 06.30) International Conference on Differential Geometry and its Applications - in honor of Jaigyoung Choe's 70th birthday, Jeju, Korea
(2023.04.27 - 04.29) 2023 KMS Spring Meeting (2023๋ ๋ํ์ํํ ๋ด ์ฐ๊ตฌ๋ฐํํ), Daejeon, Korea
(2023.04.11) 2023 Spring Semester Junior Colloquium, Pusan National University, Korea
(Talk) Stability properties and rigidity results of ๐-translators
(2023.02.06 - 02.10) The 18th KIAS Winter School (์ 18ํ ๊ณ ๋ฑ๊ณผํ์ ๊ธฐํํ ๊ฒจ์ธํ๊ต), High1 Resort, Korea
(2023.01.09 - 01.13) Workshop on Geometric Analysis and Related Topics IV, HighOne Resort, Korea
(Talk: 01.11) Rigidity Results of ๐-Translating Solitons in Euclidean and the Lorentz-Minkowski Spaces
---- 2022 ----
(2022.10.28 - 10.30) Workshop on Minimal Surfaces and Beyond IV, Gangneung, Korea
(Talk) Rigidity theorems of ๐-translating solitons
(2022.10.07) 2022 Leaders Forum(2022 ์ฐจ์ธ๋ ์ฌ์ฑ ์๋ฆฌ๊ณผํ ์ ๊ณต์ ๋ฆฌ๋์ค ํฌ๋ผ)ย , Chosun University,ย Gwangju, Korea
(Talk) Liouville type theorem for minimal surface equations with mixed boundary value conditions
(2022.09.23 - 09.24) ย The 3rd YoungNam Geometry and Topology Conference (์ 3ํ ์๋จ๊ถ ๊ธฐํ์์ ํํ), Busan, Korea
(2022.07.26 - 07.28) The 23th KOOK-TAPU Joint Semiar on Knots and Related Topics, online
(Talk) Rigidity theorems of ๐-translating solitons
(2022.07.04 - 07.08)ย Mean Curvature Flow and Related Topics, Queen Mary University of London, United Kingdom
(2022.06.20) Differential Geometry Workshop, Konkuk University, Korea
(2022.06.16 - 06.17) Workshop on Geometric Analysis and Related Topics III, Pusan National University, Korea
(Talk) Key classification techniques on hypersurfaces
(2022.05.24) 2022 Spring Semester Junior Colloquium, Pusan National University, Korea
(Talk) Rigidity theorems of ๐-translating solitons
(2022.04.28 - 04.29) ย 2022 KMS Spring Meeting (2022๋ ๋ํ์ํํ ๋ด ์ฐ๊ตฌ๋ฐํํ), online
(2022.03.31 - 04.02) Workshop on Geometric Analysis and Related Topics II, Jeju, Korea
(Talk) A rigidity results of ๐-translating solitons in R^{n+1}
(2022.02.08 - 02.11) Workshop on Geometric Analysis and Related Topics, High1 Resort, Korea
(Talk) Introduction to Spin representationย
---- 2021 ----
(2021.12.16 - 12.17) Workshop: Geometric Analysis, Busan, Korea
(2021.12.06) PNU Geometry and Topology Seminar, Pusan National University, Korea
(Talk) Classifications of self-shrinkers
(2021.10.26) PNU Junior Math Seminar, Pusan National University, Korea
(Talk) Self-shrinkers to the mean curvature flow in R^{n+1}
(2021.07.24) 2021 YoungNam Mathematical Society,ย Pusan National University, Korea
(2021.04.29 - 04.30) 2021 KMS Spring Meeting, Online
(2021.04.03) The 2nd YoungNam Geometry and Topology Conference, Online
(2021.02.18 - 02.10) Geometric Analysis Online Workshop, Online
(2021.01.22 - 01.23) Workshop on Minimal Surfaces and Beyond II, Online
(2021.01.18 - 01.26) ย The 16th KIAS Winter School (์ 16ํ ๊ณ ๋ฑ๊ณผํ์ ๊ธฐํํ ๊ฒจ์ธํ๊ต), Online
---- 2020 & Before ----
(2019.06.14) OSAKA, Pusan National University
(Talk) The common cmc surfaces from the relation of the mean curvatures of R^3 and H^3
(2019.05.18 - 05.24) Topics in Geometric Analysis, IAS, United States
(2018.01.27 - 01.28) The 25th Southernย California Geometric Analysis Seminar, UC Irvine, United States
(2018.01.22 - 01.26) 2018 SCGAS Winter School, UC Irvine, United States
(2017.12.19 - 12.22) Differential Geometry Workshop, Daemyung Resort, Jeju, Korea
(Talk) The common constant mean curvature surfaces both in R^3 and H^3
(2017.12.06 - 12.09) Riemannian Geometry Past, Present and Future: an homage to Marcel Berger, IHES, Buressur-Yvette, France
(2017.11.13 - 11.17) The 2nd Pan Pacific International Conference on Topology and Applications, Novotel Ambassador, Busan, Korea
(2017.06.22 - 06.23) KWMS The 13th International Conference, POSTECH, Pohang, Korea
(Talk) The common constant mean curvature surfaces both in R^3 and H^3
(2017.04.28 - 04.30) 2017 KMS Spring Meeting, Chosun University, Gwangju, Korea
(2017.02.05 - 02.10) The 12th KIAS Geometry Winter School, High1 Resort, Gangwon Province, Korea
(2016.12.01 - 12.03) PNU Math Forum 2016, Pusan National University, Busan, Korea
(2016.11.23 - 11.26) Geometric Inequalities on Riemannian manifolds and related topics, Marianne Hotel, Haeundae, Busan
(2016.10.20 - 10.23) International Conference for the 70th Anniversary of Korean Mathematical Society, Seoul National University, Seoul, Korea
(2016.07.25 - 07.29) The 8th KOOK-TAPU Joint Seminar on Knots and Related Topics & The 10th Graduate Student Workshop on Mathematics, Pusan National University, Busan, Korea
(2016.06.24 - 06.25) 2016 YoungNam Mathematical Society, Keimyung University, Daegu, Korea
(2016.02.15 - 02.19) 2016 Korea PDE School #6, NIMS, Daejeon, Korea