Volume 3, Issue 1, April 2026

Optimality theorems for robust least squares problems

Moon Hee Kim, Gwi Soo Kim, Gue Myung Lee & Jen-Chih Yao | Pages: 1–6

Optimality for nonsmooth minimax fractional and multiobjective fractional optimization

Jian Huang, Liguo Jiao & Do Sang Kim | Pages: 7–19

The stochastic projected gradient method for optimization problems on Hadamard manifolds

Xiao-Bo Li & Yu-Ke Zhong| Pages: 20–33

A new efficient alternative extension of the Hager-Zhang conjugate gradient method for vector optimization

Xiaoqing Ou, Yunye Wan, Zhao-Han Liu, Huilin Han, Weiguang Peng & Jiawei Chen | Pages: 34–53

The optimization of accessibility and installation of smart delivery Lockers in the Tepebasi district of Eskisehir, Turkiye

Erhan Simseker, Zeynep Tuana Erkul, Selin Oguzman & Gulcin Dinc Yalcin | Pages: 54–65