Principal Investigator: Guannan Zhang (CSMD, ORNL) Senior Investigators: , Jiaxin Zhang (CSMD, ORNL), Hoang Tran (CSMD, ORNL), Dan Lu (CSED, … In Dec. 2020, Jiaxin Zhang gave a presentation on our DGS gradient optimization method… Publications: H. Tran and G. Zhang, An adaptive nonlocal gradient descent method for high-dimensional black-box optimization, SIAM Journal on Scientific Computing,… Activities: In October 2022, H. Tran presented our work on “Exploiting the local parabolic landscapes of adversarial losses to accelerate black-box adversarial attack” at…