Kangwon-Kyunggi Mathematics Conference. "Recent development of Ricci solutions with torqued vector fields." Gangneung-Wonju University, Gangneung, South Korea, June 16, 2023.
Michigan Academy of Science, Arts & Letters. “Some notes on Ricci solutions with torqued vector fields.” 日韩AV, Berrien Springs, MI, March 17, 2023.
Michigan Academy of Science, Arts & Letters [virtual]. “Some notes on Riemannian submanifolds with special vector fields.” Alma College, Alma, MI, March 11, 2022.
Kangwon-Kyungki Mathematical Society [virtual]. “Ricci solutions on Riemannian submanifolds with special vector fields.” July 16, 2021.
Celebration of Research. “Ricci Solitons on Riemannian Submanifolds with Special Vector Field.” 日韩AV, Berrien Springs, MI, October 22, 2021.
AMS Special Session on Differential Geometry and Global Analysis, Honoring the Memory of Tadashi Nagano (1930-2017), Joint Mathematics Meetings. "VT-rectifying submanifolds." Denver, CO, January 16, 2020.
US-Korea Conference of the Korean-American Scientists & Engineers Association (KSEA). "Rectifying submanifold in Riemannian manifold with canonical normal vector field." Chicago, IL, August 16, 2019.
ChungChung Mathematics Society-Honam Mathematics Society Joint Conference. "Rectifying curves in E3 and rectifying submanifolds." Korea National University of Education, Cheongju, Korea, June 14, 2019.
Michigan Academy of Science, Arts & Letters Conference, Mathematics Section. Poster presentation withPark ,J. “Involute and Evolute of Rectifying Curves." Alma College, Alma, MI, March 1, 2019.
Presentation with D. Garcia, Michigan Academy of Science, Arts & Letters Conference, Mathematics Section. “A Curve Satisfying τ/κ = 1/s with Constant κ > 0.” Alma College, Alma, MI, March 1, 2019.
Michigan Academy of Science, Arts & Letters Conference. "Rectifying Submanifolds of Riemannian Manifolds." Alma College, Alma, MI, March 1, 2019.
Presentation with D. Garcia, Joint Mathematics Meeting. “A Curve Satisfying τ/κ = 1/s with Constant κ > 0.” Baltimore Convention Center, Baltimore, MD, January 18, 2019.
Fall Central Sectional Meeting. "Rectifying Submanifolds in Pseudo-Euclidean Spaces and Rectifying Curves in Minkowski Space E_1^4." University of Michigan, Ann Arbor, MI, October 20-21, 2018.
Kangwon Kyungki Mathematics Society Joint Conference & Annual Meeting. “Involute and Evolute of Rectifying Curves in 3D Space.” Daejin University, Pocheon si, Gyeonggi do, South Korea, June 15, 2018.
Michigan Academy of Sciences, Arts & Letters, Mathematics Section. “Involute and Evolute of Rectifying Curves in R^3." Central Michigan University, Mt. Pleasant, MI, March 9, 2018.
KKMS-CCMS Joint Conference & Annual Meeting. “Rectifying Submanifolds in Pseudo-Euclidean Spaces.” Dankook University, Cheon-An, South Korea, June 9, 2017.
Michigan Academy of Sciences, Arts & Letters, Mathematics Section. "Riemannian Submersion Invariant and Geodesics." Western Michigan University, Kalamazoo, MI, March 10, 2017.
Research symposia organizer for the Michigan Academy of Sciences, Arts & Letters, Mathematics Section. Saginaw Valley State University, Saginaw, MI, March 4, 2016.
Michigan Academy of Sciences, Arts & Letters, Mathematics Section. "Riemannian Submersion Invariant and Geodesics." Saginaw Valley State University, Saginaw, MI, March 4, 2016.
Michigan Academy of Science, Arts, and Letters Conference, Mathematics Section. "Riemannian Submersion Invariant and Theta-slat Submanifolds." 日韩AV, Berrien Springs, MI, March 13, 2015.
Michigan Academy of Science, Arts, and Letters Conference, Mathematics Section. “Riemannian Submersion Invariant and Theta-slant Submanifolds.” Oakland University, Rochester, MI, February 28, 2014.
Annual Meeting of the American Mathematical Society, Joint Mathematics Meetings. "Some Inequalities on Riemannian Submersion and Isomettric Immersions." Baltimore, MD, January 16, 2014.
1095th AMS Meeting. “An Inequality on Riemannian Submersion and Theta Slant Submanifold.” University of California, Riverside, California, November 3, 2013.
Annual Conference of the Michigan Academy of Science, Arts, and Letters. “An Inequality of Riemannian Submersion Invariant and Riemannian Isometric Immersion.” Hope College, Holland, Michigan, March 22, 2013.
American Mathematical Society, Joint Mathematics Meetings."Riemannian Submersion and Lagrangian Isometric Immersion." San Diego, January 10, 2013.
Poster, Fourth Annual Celebration of Research. "Langrangian Submanifold and Riemannian Submersion." 日韩AV, November 8, 2012.
Poster, Third Annual Celebration of Research. "Langrangian Submanifold and Riemannian Submersion." 日韩AV, November 10, 2011.
Organized special session at Fall Central Section Meeting of the American Mathematical Society. "The Geometry of Submanifolds." University of Notre Dame, South Bend, IN, 2010.
MathFest. "Lagrangian Submanifolds in n-dimensional Euclidean Spaces." Portland, OR, August 7, 2009.
AMS Sectional Meeting. "Lagragian H-umblical Submanifold in a Quaternion Euclidean Space." Clarement, CA, May 4, 2008.
Differential Geometry Seminar. "Construction of Lagrangian Submanifolds in Complex Euclidean Space Using Legendre Curves." Michigan State University, East Lansing, MI, May 12, 2005.
Differential Geometry Seminar. "Lagrangian H-umbilical Submaifolds in a Quaternion Euclidean Space." Michigan State University, East Lansing, MI, October 30, 2003.
Eigen Talk. "Lagrangian Submanifolds in Space Forms." 日韩AV, Berrien Springs, MI, February 1, 2002.
Differential Geometry Seminar. "Lagrangian Isometric Immersion of a Flat Riemannian Manifold into a Complex Euclidean Space." Michigan State University, East Lansing, MI, October 14, 1999.
Geometry Seminar. "Lagrangian Isometric Immersion of a Real Space Form into a Complex Space Form." Michigan State University, East Lansing, MI, September 30, 1999.
