Nys-Curve: Nyström-Approximated Curvature for Stochastic Optimization. - Hardik Tankaria; Dinesh Singh 001; Makoto Yamada (CoRR, 2021)

A regularized limited memory BFGS method for large-scale unconstrained optimization and its efficient implementations. - Hardik Tankaria; Shinji Sugimoto; Nobuo Yamashita (Comput. Optim. Appl., 2022)

A Stochastic Variance Reduced Gradient using Barzilai-Borwein Techniques as Second Order Information. - Hardik Tankaria; Nobuo Yamashita (CoRR, 2022)