Currently I am working on finite element methods and multigrid
methods for PDE-constrained optimal control problem.
S.C. Brenner, S. Liu and L.-Y. Sung, Multigrid methods for saddle point problems: Karush-Kuhn-Tucker systems (submitted).
Samiul Haque, Laszio P. Kindrat, Li Zhang, Vikenty Mikheev, Daewa Kim, Sijing Liu, Jooyeon Chung, Mykhailo Kuian, Jordan E. Massad, and Ralph C. Smith. Uncertainty-enabled design of electromagnetic reflectors with integrated shape control. In Behavior and Mechanics of Multifunctional Materials and Composites XII, vol. 10596, p. 105961D. International Society for Optics and Photonics, 2018.