李耀堂，张威虎，张璞借助于神经网络的思想，提出求解Markowitz模型的神经网络算法，证明了其解的存在性、稳定性和有效性。
A neural networks algorithm , solving the model of Markowitz , is proposed by means of the neural networks ideas , and the existence and efficiency of the results is proved theoretically .
张璞