Optimality and duality results for fractional programming problems under E-univexity. - Shashi Kant Mishra; Dhruv Singh; Pankaj Kumar (Numer. Algorithms, 2025)

On the Optimality and Duality in Nonsmooth Multiobjective Fractional Optimization Problems via Higher-Order E-Convexity. - Shashi Kant Mishra; Dhruv Singh; Bhuwan Chandra Joshi; Pankaj Kumar (Oper. Res. Forum, 2026)