1. "A staggered discontinuous Galerkin method for the Stokes system and its fast solvers by domain decomposition methods" Center for Computational and Technology, LSU, USA. (October 15, 2013)
2. "A staggered discontinuous Galerkin method for the Stokes system and its fast solvers by domain decomposition methods" Courant Institute, NYU, USA. (October 11, 2013)
3. "A de luxe FETI-DP preconditioner for a staggered discontinuous Galerkin formulation of H(curl) in two dimensions" The 22nd International Conference on Domain Decomposition Methods, Universita della Svizzera Italiana, Lugano, Switzerland (September 16-20, 2013)
4. "A staggered discontinuous Galerkin method for the Stokes system and its fast solvers solvers" University of Kansas, USA. (January 30, 2013)
5. "Recent advances in domain decomposition methods for the Stokes problem" An invited talk to The 21th International Conference on Domain Decomposition Methods, INRIA-Rennes-Bretagnue-Atlantique (June 25-29, 2012)
6. "Domain decomposition methods for the Stokes problem without primal pressure unknowns" The 7th International Congress on Industrial and Applied Mathematics, Vancouver, BC, Canada (July 18-22, 2011)
7. "Domain decomposition algorithms for the Stokes problem without primal pressure components" The 20th International Conference on Domain Decomposition Methods, UCSD, San Diego, California, USA (February 17-21, 2011)
8. "Domain decomposition algorithms for the Stokes problem without primal pressure unknowns" An invited talk to Colloquium, Department of Mathematics, The Chinese University of Hong Kong, Hong Kong (October 22, 2010)
9. "A two-level nonoverlapping Schwarz algorithm for the Stokes problem without primal pressure unknowns" Workshop on Domain Decomposition Solvers for Heterogeneous Field Problems, Hirschegg, Austria (June 2-6, 2010)
10. "A FETI-DP algorithm for the three-dimensional Stokes problem without primal pressure unknowns" The 19th International Conference on Domain Decomposition Methods, Zhangjiajie, China (August 17-21, 2009) [Slide]
11. "A FETI-DP algorithm for the Stokes problem without coarse pressure components" An invited talk to Fast Algorithms for Scientific Computing: A symposium in Honor of Olof B. Widlund, New York, USA (September 19-20, 2008) [Slide]
12. "A FETI-DP algorithm for the Stokes problem without primal pressure components" An invited talk to The second China-Japan-Korea conference on numerical mathematics, Weihai, China (August 25-29, 2008) [Slide]
13. "Numerical study on a BDDC algorithm for mortar discretizations of elasticity problems", The 18th International Conference on Domain Decomposition Methods, Jerusalem, Israel (January 12-17, 2008)
14. "Domain decomposition algorithms for mortar discretizations with an emphasis on biological applications", The 4th International Workshop for Korean Women in Mathematics (July 5, 2007)
15. "Domain decomposition algorithms for geometrically non-conforming partitions and non-conforming finite elements", JNU MATH 2007 Workshop on Numerical Analysis (June 29, 2007)
16. "Some computational results on the three dimensional oil/salt water pipe model towards more practical ECT for cross-sectional images of the oil/salt pipe", NIMS mini-workshop on 3D visual numerics and scientific computing (April 6, 2007)
17. "Domain decomposition algorithms for solving large sparse linear systems of partial differential equations using parallel processors", An invited talk to Supercomputing 2006 Korea at KIAS (Korea Institute of Advanced Study) (November 21, 2006)
18. "Domain decomposition algorithms with an emphasis on three-dimensional computations", An invited talk to 3D visual numerics and imaging Seminar at Yonsei University
19. "Domain Decomposition Algorithms for mortar discretizations", An invited talk to ``The 17th International Conference on Domain Decomposition Methods'' (July,2006), St. Wolfgang/Strobl, Austria. [Slide]
20. "Domain Decomposition Algorithms for mortar discretization", Numerical Analysis Seminar, Courant Institute (April,2006), New York, USA. [Slide]
21. "BDDC and FETI-DP algorithms for mortar finite element methods", SIAM Conference on Parallel Processing for Scientific Computing (February,2006), San Francisco, USA. [Slide]
22. "A FETI-DP formulation for the three dimensional elasticity problem with mortar methods", Sixteenth International Conference on Domain Decomposition Methods (January,2005), New York, USA. [Slide]
23. "A FETI-DP formulation for the Stokes problem on nonmatching grids", Fifteenth International Conference on Domain Decomposition Methods (July,2004), Berlin, Germany.