| 1. | Fuzzy programming method of security portfolio 证券组合投资的模糊规划方法 |
| 2. | Research on portfolio investment dynamic model 证券组合投资的动态模型研究 |
| 3. | Optimal model of a class of fuzzy portfolio investment 一类模糊证券组合投资的最优模型 |
| 4. | Research on interval number portfolio inverstment model 基于区间数的证券组合投资模型研究 |
| 5. | Portfolio investment optimization model with transaction costs 有交易费的证券组合投资优化模型 |
| 6. | Principal component analysis in intergrated stock investment 主成分分析在证券组合投资中的应用 |
| 7. | An analysis on the gains and risks of international portfolio 国际证券组合投资的收益与风险分析 |
| 8. | On optimal portfolio investment models 最优证券组合投资模型 |
| 9. | An extended with portfolio optimization model mean - semideviation 一个推广的半绝对离差证券组合投资模型 |
| 10. | Portfolio investment model based on particle swarm optimization 基于粒子群算法的证券组合投资模型的研究 |