[1] 2011June 10, Wuhan, attended the 9th international academic conference on financial system engineering and risk management, and published the paper "China metal futures market risk measurement model and its posterior analysis";

[2] 2011September, Chengdu, attended the sixth annual meeting of China Management, and published the paper "Research on Typical Facts and Risk Measurement Model of China Metal Futures Market Volatility";

[3] 2011July, Hohhot, attended the annual meeting of China financial engineering, and published a paper "Research on the Relationship between Risk Premium and Volatility in Stock Market Based on SV-M Model";

[4] 20 1 1 May, Shanghai, attended the international conference on economic physics, and published the paper "Review and Prospect of Economic Physics Research". International conference on economic physics.