Tracing research of the earthquake activity was made in this paper using the time-space scanning by selecting the two indexes of the seismicity pattern evolution and seismology parameter change.

Based on the tracing research of physical state of college students from 1992-1999 in Shanxi University,this article proposes some corresponding measures to deal with the problems occurring in the research and provides a scientific basis for improving college students physical state.

In order to promote the elementary study of the Yellow River harnessing,Yellow River Conservancy Commission started-up annual consultation and tracing study on harnessing the Yellow River and scored great success for 5 years since 2002.

The main basis, method and the course of the tracking study on the seismic condition of Xinjiang with the ground tilt data and repeatedly measured GPS data in the Project of “China Crust Movement Measuring Network” are introduced.

Particle swarm optimization approach to index tracking problem with a cardinality constraint

In this paper,by inducing into the active management strategy in the asset allocation of index fund,the Stein rule index tracking model is put forward to improve the tracking precision of index fund.

By considering the constraints of no short selling and the realistic condition of the adjustment of target index,the directly tracking performance of the cointegration optimization index tracking approach based on the time series of securities prices for the targeting index is researched in this paper.