Sang-hyun Kim

Selected Work

• (With Thomas Koberda and Javier de la Nuez-Gonzalez) First order rigidity of homeomorphism groups of manifolds. [Link] [ArXiv]

• (With Thomas Koberda)  Diffeomorphism groups of critical regularity. Inventiones mathematicae (2020). [pdf] [journal page]

• (With Thomas Koberda and Yash Lodha) Chain groups of homeomorphisms of the interval and the circle, Annales Scientifiques de l'École Normale Supérieure (2019) [Link]

• (With Hyungryul Baik and Thomas Koberda) Unsmoothable group actions on compact one-manifolds, Journal of European Mathematical Society (2019) [Link]

• (With Genevieve Walsh) Coxeter groups, hyperbolic cubes, and acute triangulations, Journal of Topology (2016) [Link]

• (With Thomas Koberda) Embedability between right-angled Artin groups, Geometry & Topology (2013) [Link]

Current event

• Sep 19, 20 (Tue/Wed) 10 am
  KIAS--Springer Lectures [poster]
  (Arc)-connectedness of the space of Z^d actions on 1-manifolds by Andrés Navas (Universidad de Santiago de Chile)
  In person || KIAS 1423
  Abstract and zoom info || https://visgat.kimsh.kr

Upcoming travel

• Tokyo, Oct 5 - 8, 2023. Organizer of Tokyo-Seoul Conference in Mathematics 2023, Topology and Geometric Group Theory.

Conference organization in 2023 and later

• Scientific Committee, Young Geometry Group Theory (YGGT) 2024, Bristol, UK.

• Steering Committee, GAGTA (Geometric and Asymptotic Group Theory with Applications, 2023 - )

• Organizing Committee, Hyperbolic Geometry of Numbers, December 18 - 20, 2023, KIAS, Seoul. [Link]

• Organizing Committee, Tokyo-Seoul Conference in Mathematics 2023, Topology and Geometric Group Theory, Oct 5 - 8, 2023, Tokyo, Japan. [Link]

• Organizing Committee, The 1st Korea-Chile Workshop on Dynamical Group Theory, Incheon, Korea, September 27 - 28, 2023. [Link]

• Organizing Committee, France-Korea Conference on Algebraic Geometry, Number Theory, Topology, Probability Theory, and Partial Differential Equations, [Link]

• Scientific Committee, GAGTA2023 (Geometric and Asymptotic Group Theory with Applications), Vienna, Austria, July 17 - 21, 2023. (Note the date change!) [poster1] [poster2] [Link]

• Organizing Committee, PK² Topology Workshop 

  • TBD.

• Organizing Committee, Rigidity and Regularity of Diffeomorphism Groups (RRDG), KIAS, Seoul, Korea, postponed to a later year. 

Seminars (co-)organized

All in Korea Standard Time GMT+9

• KIAS Geometry, Topology and Dynamics Seminar (Tuesdays 4 pm, occasional)

• Virtual Seminar on Geometry and Topology (Wednesdays 4 pm, semi-weekly)

• visgat.cayley.kr

• Group Actions Seminar (Thursdays 9 pm, semi-weekly. Halted)

• Geometric Group Theory in East Asia (GGTEA) (Fridays 11 am, weekly)

Visitors 2023

• Pradthana Jaipong (January 2023)

• Thomas Koberda (May 2023)

• Christian Rosendal (June 2023)

• Alan Reid (August 2023)

Distinction

• The Scientist and Engineer of the Month (이달의과학기술인상), awarded by Korean Ministry of Science and ICT, and by National Research Foundation of Korea, July 2020.

• Y-KAST Member (Young Korean Academy of Science and Technology, 한국차세대과학기술 한림원), Feb 26, 2018 - present.

• Research Excellence Award (우수연구상), College of Natural Sciences, Seoul National University, March 3, 2017.

• Excellent Paper Award (논문상), Korean Mathematical Society, April 23, 2016.For the work: (With Thomas Koberda), Embedability between right-angled Artin groups, Geometry & Topology 17 (2013) 493--530.

• Teaching Excellence Award (우수강의상), College of Natural Sciences, Seoul National University, September 15, 2015.²An award first established in September 2015. Based on recommendations by students council, faculty committee and course survey.

1. Creative Teaching Grand Award, KAIST, February 15, 2013.

2. Sang-San Prize for Young Mathematicians, Korean Mathematical Society, October 5, 2012.

3. Silver medal, the 34th International Mathematical Olympiad, Turkey, 1993.