Exploring Dynamics of HIV Infections: An Analysis of the Susceptible-Infected-Virus Model in Deterministic and Stochastic Forms, the US-Korea Conference 2023 in Dallas, TX, August 2 ~ 5, 2023

Computational and Mathematical Approaches to a Modified SEIR Model for COVID-19, the US-Korea Conference 2022 in Arlington, VA, August 17 ~ 20, 2022

Solutions of the Model of HIV-1 Dynamics, invited talk, the US-Korea Conference 2020 – virtual, December 14 ~ 17, 2020

Solutions of the HIV Model, invited talk, the US-Korea Conference 2019 in Chicago, IL, August 14 ~ 17, 2019

A Domain Decomposition Algorithm for Random PDE Optimization Problems, invited talk, the US-Korea Conference 2018 in Queens, NY, August 1 ~ 4, 2018

Error Estimates for DDM Solutions to Stochastic Optimal Control Problems, invited talk, the US-Korea Conference 2017 in Washington D.C., August 9 ~ 12, 2017

DDM for SPDEs, contributed talk, Joint Mathematics Meetings, Atlanta, GA, January 5, 2017

Exponential convergence for stochastic optimal control problems, contributed talk, Joint Mathematics Meetings, Seattle, WA, January 8, 2016

Optimal Control Problems for SPDEs with Neumann Conditions, invited talk, the US-Korea Conference 2015 in Atlanta, GA, July 29 ~ August 1, 2015

A non-overlapping DDM for the numerical solution of stochastic elliptic PDEs, invited talk, Mathematics Colloquium, Department of Mathematics, Sogang University, Seoul, Korea, December 5, 2014

The h $latex \times $ p FEM for Optimal Control Problems Constrained by Stochastic Elliptic PDEs, invited talk, CSE Seminar, Department of Computational Science and Engineering, Yonsei University, Seoul, Korea, November 5, 2014

Stochastic PDEs: Uncertainty, Representation, and Expansions, invited talk, CSE Seminar, Department of Computational Science and Engineering, Yonsei University, Seoul, Korea, October 10, 2014

An Optimization Based Domain Decomposition Method for PDEs with Random Inputs, contributed talk, Joint Mathematics Meetings, Baltimore, MD, January 17, 2014

Domain Decomposition Methods for Solving Stochastic PDEs, invited talk, the US-Korea Conference 2013 in East Rutherford, NJ, August 7 ~ 11, 2013

Discretization of Stochastic Optimal Control Problems by the h $latex \times $ p Version of the Stochastic Galerkin FEM, invited talk, the Spring Central Sectional Meeting of the American Mathematical Society at Iowa State University in Ames, IA, April 26 ~ 28, 2013

Distributed Optimal Control Problems for SPDE by the h $latex \times $ p Version of the SGFEM, invited talk, BK21 Lecture, Department of Mathematics, Ajou University, Kyonggi-do, Korea, December 21, 2012

The h-p Version of Stochastic Galerkin FEM for Stochastic Optimal Control Problems, invited poster presentation, the US-Korea Conference 2012 in Los Angeles, CA, August 8 ~ 11, 2012

A Stochastic Galerkin Method for Stochastic Control Problems, invited talk, SIAM Conference on Uncertainty Quantification, Raleigh, NC, April 2, 2012

Galerkin Finite Element Approximations of an Optimal Control Problem for Elliptic PDEs with Random Input Data, contributed talk, Joint Mathematics Meetings, Boston, MA, January 6, 2012

A Stochastic Galerkin FEM of an Optimal Control Problem for Stochastic PDE, invited talk, BK21 Lecture, Department of Mathematics, Ajou University, Kyonggi-do, Korea, December 27, 2011

Stochastic Galerkin Methods for Stochastic Problems, invited talk, US-Korea Conference on Science, Technology, and Entrepreneurship, Park City, UT, August 10 ~ 14, 2011

Finite Element Approximations of Stochastic Optimal Control Problems Constrained by Stochastic Elliptic PDEs, contributed talk, Joint Mathematics Meetings, New Orleans, LA, January 7, 2011

Stochastic PDE: Analysis and Optimization, invited talk, Mathematics Colloquium, National Institute for Mathematical Sciences (NIMS), Daejeon, Korea, December 23, 2010

Stochastic PDE Lecture Series, invited lectures, Department of Mathematics, Ajou University, Kyonggi-do, Korea, December 15 ~ 20, 2010

  • Lecture 1: Stochastic PDE: Uncertainty
  • Lecture 2: Stochastic PDE: Representation
  • Lecture 3: Stochastic PDE: Expansions
  • Lecture 4: Stochastic PDE: Analysis
  • Lecture 5: Stochastic PDE: Optimization
  • Lecture 6: Stochastic PDE: Computation

Mathematical Analysis of Models, invited talk, US-Korea Conference on Science, Technology, and Entrepreneurship, Seattle, WA, August 11 ~ 15, 2010

On Solving a Boundary Control Problem Using the Domain Decomposition Method, poster presentation, US-Korea Conference on Science, Technology, and Entrepreneurship, Seattle, WA, August 11 ~ 15, 2010

Detection of DNA Mut-iGEM-s through the Use of a 2-Color Fluorescent System, Co-Speaker, 2010 GCAT Synthetic Biology Workshop, Davidson College, Davidson, NC, July 8 ~ 10, 2010

How to Analyze Real-World Problems?, invited talk, Mathematics Seminar, Department of Mathematics, Sogang University, Seoul, Korea, December 23, 2009

How to Analyze Real-World Problems?, invited talk, BK21 Lecture, Department of Mathematics, Ajou University, Kyonggi-do, Korea, December 22, 2009

How to Analyze Real-World Problems?, invited talk, Computational Science and Engineering Workshop, Yonsei University, Seoul, Korea, December 18, 2009

Error Estimates of Stochastic Optimal Neumann Boundary Control Problems, invited talk, Joint Meeting of the Korean Mathematical Society and the American Mathematical Society, Ewha Womans University, Seoul, Korea, December 16 ~ 20, 2009

Solving Stochastic Control Problems by the Finite Element Method, invited talk, US-Korea Conference on Science, Technology, and Entrepreneurship, Raleigh, NC, July 16 ~ 19, 2009

Finite Element Approximations of Optimal Neumann Boundary Control Problems Constrained by Stochastic Elliptic PDE, invited talk, Applied Mathematics Seminar, Department of Mathematical Sciences, University of Delaware, Newark, DE, April 14, 2009

On Solving Real-Life Problems, invited talk, Department of Mathematics, UMW, October 8, 2008