劉正傳林世昌J. C. LiuS. C. Lin2016-04-282016-04-281998-07-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/77779Under different forms of invexity conditions, sufficient conditions and five duality models are presented for the nondifferentiable fractional programming problem containing square roots of positive semidefinite Hermitian quadratic forms.Complex nondifferentiable fractional programminginvexpseudoinvexquasi-invexduality.