Linying He

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In industry, fund managers combine their expertise with quantitative tools to construct portfolios. They research on companies with fundamental as well as technical analysis. After choosing proper stocks, certain quantitative models, e.g. Markowitz model, SIM model, Multi-group model, are applied to determine the optimal weight for each stocks. This general(More)
Reliability is an important vehicle performance. It mainly depends on the fatigue life of the key auto parts. As the key component in transmission system of the truck, gearbox's efficiency and reliability are closely linked with the truck's power and safety. In the paper, by using multi-body dynamics and finite element method, the fatigue life of the(More)
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