Parameter-Free Dual Models for Fractional Programming with Generalized Invexity. - Jin-Chirng Lee; Hang-Chin Lai (Ann. Oper. Res., 2005)

Duality on a nondifferentiable minimax fractional programming. - Hang-Chin Lai; Hui-Mei Chen (J. Glob. Optim., 2012)

Nondifferentiable minimax fractional programming in complex spaces with parametric duality. - Hang-Chin Lai; Tone-Yau Huang (J. Glob. Optim., 2012)

New Quasi-Coincidence Point Polynomial Problems. - Yi-Chou Chen; Hang-Chin Lai (J. Appl. Math., 2013)