List of talks (2008 - 2020)

1. Lecture series on Homogeneous dynamics and Number theory, KIAS, Seoul, Korea.

   1. Lecture 1. Diophantine properties of continued fractions and dynamics on the hyperbolic plane (Oct. 30, 2020)

   2. Lecture 2. Oppenheim conjecture, Littlewood conjecture, and dynamics on homogeneous spaces (Nov. 6, 2020)

   3. Lecture 3-4. Diophantine approximations and homogeneous dynamics (sequel of Lecture 1) (Nov. 13, 20, 2020)

   4. Lecture 5. Exceptional examples of Oppenheim type conjectures and Diophantine properties (sequel of Lecture 2)(Nov. 27, 2020)

2. Colloquium, Yonsei University, Seoul, Korea (Dec 3, 2020)

3. Colloquium, UNIST, Ulsan, Korea (Nov 26, 2020)

4. Colloquium, KAIST, Daejeon, Korea (Nov 12, 2020)

5. Mini-course on "Number theory and Dynamics", ICERM workshop, Providence, USA (June 22-26, 2020)

6. KMS Young Mathematics Camp, NIMS, Daejun, Korea. (January 7-10, 2020)

7. Colloquium, Ewha Womans university, Seoul, Korea (November 29,2019)

8. Smooth and Homogeneous Dynamics, ICSTS, Bangalore, India (October 3, 2019)

9. "Riemann hypothesis and dynamics of billiards", Science Camp of SNU College of Natural Sciences (public lecture), Seoul National University, Seoul, Korea (August 1, 2019)

10. A3 Foresight Program workshop "Modeling and Simulation of Hierarchical and Heterogeneous Flow Systems with Applications to Materials Science Ⅵ" Sendai, Japan (July 28, 2019)

11. Women in Geometry and Topology, IBS-CGP, Pohang, Korea (June 26, 2019)

12. Inhomogeneous Diophantine approximation, Dynamics and number theory, Sydney, Australia (June 12-14, 2019)

13. Dynamics of group actions, a conference in honor of Yves Benoit, Cetraro, Italy (May 27-31, 2019)

14. "Entropy and weight vectors", KSIAM, Yonsei University, Korea (May 17-18, 2019)

15. "Spectrum of non-flat triangular drum and the orbit of a billiard on it: around the work of Akshey Venkatesh", Colloquium, Korea University, Seoul, Korea (May 10, 2019)

16. Two talks on "Brownian motion in negative curvature", Ergodic geometry, TIFR, Mumbai, India (March 25-29, 2019)

17. "Brain networks : volume entropy and the weigths on vertices", Colloquium, Inha University, Incheon, Korea (March 14, 2019)

18. "Hausdorff dimension of badly approximable vectors in inhomogeneous Diophantine approximation", Workshop on Ergodic theory and related fields , POSTECH, Pohang, Korea (February 21-22, 2019)

19. Mathematical modeling in medial sciences: theory, computation, and challenges, ICONS, Yonsei University, Seoul, Korea (December 8, 2018)

20. One-day Workshop on Dynamics, Geometry and Groups, Sungkyunkwan University, Suwon, Korea (December 5, 2018)

21. Samsung Annual Forum, Seoul, Korea (October 26, 2018)

22. KIAS Workshop, Yangyang, Korea (October 24, 2018)

23. Arbeitsgemeinschaft on Rigidity of stationary measures, MFO, Oberwolfach, Germany (October 8, 2018)

24. 2018 Joint Meeeting of the Korean Mathematical Society and the German Mathematical Society, Special session on Aperiodic Order and Dynamics, COEX, Seoul, Korea (October 5, 2018)

25. Gauss Colloquium, IMDARC, Seoul, Korea (September 28, 2018)

26. Public lecture on 2018 Fields medalists (A. Venkatesh) ,organized by Dong-a Math Magazine, CHAOS Foundation and KIAS, Seoul Blue Square, Seoul, Korea (September 7, 2018)

27. Conference on Geometric and Asymptotic Group Theory with Applications, KIAS, Seoul, Korea (July 15-20, 2018)

28. Workshop on Thermodynamic formalism in dynamical systems, ICMS, Edinburgh, UK (June 18-22, 2018)

29. Data Science Forum, Ajou University, Suwon, Korea (May 25, 2018).

30. Lecture series on homogeneous dynamics, 2018 Houston Summer School on Dynamical Systems, Houston, USA (May 16-21, 2018)

31. Special talk, Seoul Women's University, Korea (April 3, 2018)

32. Colloquium, Sungkyunkwan University, Korea (March 22, 2018)

33. Colloquium, Tata Institute, India (February 22, 2018)

34. CNS Public lecture, 자연대 공개강연, Seoul National University, Korea (February 10, 2018)

35. Workshop on "Diophantine Approximation and Dynamical Systems", La Trobe Univ., Melbourne, Australia (January 6-8, 2018)

36. Number theory seminar, Shanghai center for mathematics, Shanghai, China (December 22, 2017)

37. Special session in dynamics, 2nd PPICTA, Busan, Korea (November 13, 2017)

38. CMC 정오의 수학산책, KAIST, Korea (October 13, 2017)

39. KIAS research station, Incheon, Korea (June 20, 2017)

40. Workshop on Number Theory and Homogeneous dynamics, Jeju, Korea (June 17, 2017)

41. Workshop on homogeneous dynamics and its applications to number theory, Seoul, Korea (May 18, 2017)

42. Geometric Topology Fair, KAIST, Daejeon, Korea (May 11-12, 2017)

43. Workshop on Ergodic Theory & Dynamical Systems, NUS, Singapore (February 14-16, 2017)

44. Geometry and topology seminar, Jacobs Univ., Bremen, Germany (February 2, 2017)

45. SNU Topology winter school (2 lectures on homogeneous dynamics and number theory), Wonju, Korea (December 14-15, 2016)

46. Probability seminar, KAIST, Daejeon, Korea (December 2, 2016)

47. IBS-CGP Mathematics Festival (Lecture series on Random walks and spectral gaps on graphs), POSTECH, Pohang, Korea (July 18-22, 2016)

48. Geometric Topology Fair, KAIST, Daejeon, Korea (July 5-8, 2016)

49. KWMS international conference, KIAS, Seoul, Korea (July 1, 2016)

50. Dynamics seminar, Jacobs Univ., Bremen, Germany (June 9, 2016)

51. Geometry seminar, Univ. Karlsruhe, Karlsruhe, Germany (June 8, 2016)

52. Geometry and topology seminar, Univ. Karlsruhe, Karlsruhe, Germany (June 7, 2016)

53. Ergodic Geometry, a conference in honor of F. Ledrappier, Paris, France (June 2, 2016)

54. Colloquium, Seoul National University, Seoul, Korea (December 4, 2015)

55. Colloquium, Ajou University, Suwon, Korea (December 3, 2015)

56. International Conference on Boundaries and Ergodic Geometry, Univ. of Notre Dame, Notre Dame, US (June 3, 2015)

57. Geometry, Topology and Dynamics seminar, UIC, Chicago, US (April 23, 2015)

58. Open-ended seminar, Special program in homogeneous dynamics, MSRI, Berkeley, USA (April 21 , 2015)

59. Introductory Workshop: Geometric and Arithmetic Aspects of Homogeneous Dynamics, MSRI, Berkeley, US (February 6, 2015)

60. Geometry and Topology seminar, UC Davis, Davis, USA (November 18, 2014)

61. Dynamical Systems Seminar, UT Austin, Austin, USA (November 12, 2014)

62. Group actions and Dynamics seminar, Yale University, New Haven, USA (October 27, 2014)

63. Ahlfors-Bers Colloquium, Yale University, New Haven, USA (October 24, 2014)

64. Felix Klein seminar, Univ. of Notre Dame, USA (Oct. 16, 2014)

65. Dynamics seminar, Univ. of  Chicago, Chicago, USA (Oct. 13, 2014)

66. Differential geometry seminar, UC Berkeley, Berkeley, USA (Sept. 22, 2014)

67. Special session on dynamical systems and ordinary differential equations, ICM, Seoul, Korea (August 18, 2014)

68. Geometry on groups and spaces, ICM Satellite conference, Daejeon, Korea (July 11, 2014)

69. KIAS Abel Lecture(Open KIAS Public Lecture), KIAS, Korea (June 20, 2014)

70. Groups and Geometry in the South East, University of Warwick, UK (February 21, 2014)

71. KIAS Abel Lecture(Open KIAS Public Lecture), KIAS, Korea (June 20, 2014)

72. Groups and Geometry in the South East, University of Warwick, UK (February 21, 2014)

73. Invited talk, Geometric Topology Fair, Jeonju, Korea (August 12, 2013)

74. Invited talk, Measurable and Topological dynamics session, PRIMA, Shanghai, China (June 25, 2013)

75. Colloquium, Physics Dept. of Seoul University, Seoul, Korea (November 21, 2012)

76. Colloquium, Inha University, Incheon, Korea (October 17, 2012)

77. Oberwolfach Arbeitsgemeinschaft, MFO, Germany (October 12, 2012)

78. Colloquium, Ewha University, Seoul, Korea (September 19, 2012)

79. Geometric Topology Fair, KAIST, Daejun, Korea (August 13, 2012)

80. Intensive lecture series, POSTECH, Korea (July 23-27, 2012)

81. International Conference on Group Actions and its Applications to Geometry, Topology and Analysis, Kunming, China (July 21, 2012)

82. 9th KWMS International Conference, Ewha University, Seoul, Korea (June 22, 2012)

83. POSTF workshop, Busan, South Korea (May 19, 2012)

84. Special session on ergodic theory & dynamical systems, KMS spring meeting, Seoul, South Korea (April 28, 2012)

85. Miniworkshop on geometry, KIAS, Seoul, South Korea (December 15, 2011)

86. Mathematics Seminar, KIAS, Seoul, South Korea (December 1, 2011)

87. Topology workshop, Jeonbuk National University, Korea (August 23-24, 2011)

88. Invited talk, Geometric Topology Fair, KAIST, Korea (August 9-10, 2011)

89. Invited talk, Topology session of KMS spring meeting, Seoul, Korea (April 30, 2011)

90. Colloquium, Yonsei University, Seoul, South Korea (Oct. 14, 2010)

91. yperbolic geometry and related topics, KIAS, Seoul, South Korea (Sep. 15, 2010)

92. Vogtmannfest, CIRM, France (June 23,2010).

93. Colloquium, Ajou University, Seoul, South Korea (May 14, 2010).

94. Colloquium, Sogang University, Seoul, South Korea (May 7, 2010).

95. Colloquium, POSTECH, Pohang, South Korea (April 2, 2010).

96. Colloquium, Sookmyung Women's University, Seoul, South Korea (November 5, 2009).

97. Colloquium, Seoul National University, Seoul, South Korea (October 6, 2009).

98. Examples of Groups, Ohio State University, Columbus, OH (May 11-14, 2009).

99. Cornell Topology Festival, Ithaca, NY (May 4, 2009).

100. Workshop in rigidity, part of Cornell Topology Festival, Ithaca, NY (May 1, 2009).

101. Joint Mathematics meeting, AMS Special Session on Group Actions on Homogeneous Spaces and Applications, Washington, D.C. (January 5, 2009)

102. Colloquium, Korean Advanced Institute of Science and Technology, Daejeon, South Korea (December 10, 2008)

103. Dynamics of Group Actions Seminar, Yale University (November 10, 2008)

104. Summer School on Quasiconformal analysis and boundaries of hyperbolic groups, Bloomington, Indiana (August 14, 2008) (on the quasi-isometry rigidity result of Bourdon and Pajot)

105. Geometry Seminar, University of Athens, Athens, Greece (August 4, 2008)

106. Analysis and Geometry on Groups Seminar, University Paris 7, Paris, France (July 23, 2008)

107. Geometry Seminar, ETH, Zurich, Switzerland (July 9, 2008)

108. Minicourse on Graphs of Groups and Complexes of Groups, Univ. of Neuchatel, Switzerland (June 2, 9, 16, 23, 2008)

109. Geometry and Dynamics Seminar, Ecole Normale Superieure de Lyon, France (June 18, 2008)

110. Conference on Analysis, Geometry and Dynamics on Groups, Neuchatel, Switzerland (June 13, 2008)

111. Conference on Discrete Groups and Geometric Structures with Applications, Kortrijk, Belgium (May 29, 2008)

112. Dynamics Seminar, Northwestern University (May 13, 2008)

113. AMS Spring Eastern Sectional Meeting, Special Session on Geometric Topology, Courant Institute (Mar. 15-16, 2008)

114. Topology and Geometric Group Theory Seminar, Cornell University (Feb. 26, 2008)

115. Geometry and Topology Seminar, SUNY Buffalo (Feb. 22, 2008)

116. Geometry and Topology Seminar, Binghamton University (February 21, 2008)