A nonmonotone line search method for noisy minimization. - Natasa Krejic; Zorana Luzanin; Filip Nikolovski; Irena Stojkovska (Optim. Lett., 2015)

Complex-step derivative approximation in noisy environment. - Filip Nikolovski; Irena Stojkovska (J. Comput. Appl. Math., 2018)

Gradient Descent Methods for Regularized Optimization. - Filip Nikolovski; Irena Stojkovska; Katerina Hadzi-Velkova Saneva; Zoran Hadzi-Velkov (CoRR, 2024)