Talks

1. (2001/06/12) Dehn filings and small surfaces, Low-Dimensional Topology in the Twenty-First Century, RIMS.

2. (2001/10/20) Toroidal Dehn surgeries on knots in , KMS Meeting, EwhaWomen's University.

3. (2002/01/16) Toroidal Dehn surgeries on knots in the real projective space, The 9th Japan-Korea School of knots and links at Nara Women's Univ.

4. (2002/10/19) Essential spheres and tori after Dehn fillings, KMS Meeting, Chonnam National University.

5. (2002/11/01) Dehn fillings on 3-manifolds, Korea University.

6. (2002/11/30) Essential spheres and tori after Dehn fillings, Japan-Korea School of 3-manifolds at Nara Women's Univ.

7. (2002/12/20) Dehn fillings on 3-manifolds, KIAS.

8. (2003/01/17) Dehn fillings on 3-manifolds, Topology Forum, Information Center

for Mathematical Sciences.

9. (2004/02/17) Reducing and annular Dehn fillings, The 1st East Asian School of

Knots and Related Topics, Kyoyuk Munhwa Hoekwan.

10. (2004/08/25) Toroidal Dehn surgeries on knots in , The 1st KAIST Geometric Topology Fair.

11. (2005/02/19) Exceptional Dehn fillings, The 2nd KAIST Geometric Topology Fair.

12. (2005/08/) Dehn fillings yielding Klein bottles, The 2nd East Asian School of Knots and Related Topics, Dalian University of Technology.

13. (2006/02/18) Boundary-reducing and toroidal Dehn fillings, University of Texas at Austin.

14. (2007/02/18) Boundary-reducing and toroidal Dehn fillings, The 3rd East Asian School of Knots, Links and Related Topics, Osaka City University.

15. (2008/01/23) Lens spaces and toroidal Dehn fillings, The 4th East Asian School of Knots and Related Topics, The University of Tokyo.

16. (2009/01/12) Boundary structure of hyperbolic 3-manifolds and exceptional Dehn fillings, The 5th East Asian School of Knots and Related Topics, Gyeongju TEMF Hotel.

17. (2009/12/16) Satellite twisted torus knots, First joint meeting of the Korean Mathematical Society and the American Mathematical Society, EwhaWomans University.

18. (2010/01/26) Satellite twisted torus knots, The 6th East Asian School of Knots and Related Topics, Chern Institute of Mathematics, Nankai University, Tianjin.

19. (2010/07/26) is realized only by the magic manifold, The 2nd TAPU-KOOK Joint Seminar, Kyungpook National University.

20. (2011/01/10) is realized only by the magic manifold, The Seventh East Asian School of Knots and Related Topics, Hiroshima University and Saijo Hakuwa Hotel Higashi-Hiroshima, Japan

21. (2012/08/14) Toroidal Dehn fillings with infinitely many cores, Knots and Spatial Graphs 2012, KAIST

22. (2013/01/15) Toroidal Dehn fillings with infinitely many cores, The 9th East Asian School of Knots and Related Topics