Nonlinear programming problem for strongly E-invex sets and strongly E-preinvex functions. - Akhlad Iqbal; Askar Hussain (RAIRO Oper. Res., 2022)

Strongly geodesic preinvexity and strongly invariant η-monotonicity on Riemannian manifolds and its application. - Akhlad Iqbal; Askar Hussain; Hilal Ahmad Bhat (RAIRO Oper. Res., 2023)