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Resume of Guo Qiang's research work
In 2004, Guo Qiang received his Ph.D. from the Department of Applied Mathematics of Dalian University of Technology. In 2006, he was appointed as an associate professor. Thirty-five papers have been published, including 8 papers retrieved by SCI and 0/0 by EI, including authoritative journals at home and abroad such as Dutch Physics A, International Modern Physics C and China Physics Express. The representative papers in recent three years are as follows:

Liu Jianguo Guo Qiang *. Improved BFGS beam algorithm based on approximate subgradient. Applied mathematics. & Informatics 28 (5-6) (2010)1239-1248. Guo Qiang, Liu Jianguo. Clustering effect of user-object binary network in personalized recommendation. International Journal of Modern Physics C 21(7) (2010) 891-901. (SCI:644SL) Liu Jianguo *, Zhou Tao, Bing wang hong, Zhang Yicheng, Guo Qiang. Degree correlation of binary network in personalized recommendation. J. Mod in it. phys . C 2 1( 1) 137- 147(20 10)。 (SCI: 552DM) Liu Jianguo *, Zhou Tao, Bing wang hong, Zhang Yicheng and Guo Qiang. Influence of user preference on personalized recommendation. J. Mod in it. phys . C 20( 12) 1925- 1932(2009)。 (SCI: 54 1OI), Zhou Tao, Wen, Bing, Zhao Ming, Growing Scale-free Small World Network with Adjustable Matching Coefficient, physica371814-822. 2006.(SCI:093 WC; EI:0639 10 128450), Liu Jianguo, Xing, Yao Yuhua, Improving the Synchronization of Scale-free Networks, China. Physics, Ritter. 24 (8) 2437-2440 2007. (SCI:198WF), Liu Jianguo, Bing, Xing, Yao Yuhua, Mobile Public Opinion Communication on Scale-free Network, China. Physics, Ritter. 25(2) 773-775 2008.(SCI:264UT) Guo Qiang, Liu Jianguo, Bing-wang hong, High-precision collaborative filtering algorithm based on new user similarity definition, Frontier of China Computer Science 3(3) 4 17-420, (2009). (EI:200950 12547747), Liu Jianguo, Ming-Zhong Jun, scale-free network model under external pressure, int.j. Modeling, Identification and Control 3( 1) 79-82. (ei: 2008211273809) Liu Jianguo, Zhou Tao, Bing-wang hong, Guo Qiang, Structural Effects of Synchronization in Scale-free Networks, int.j.mod. Physics c18 (7)1087-1094 2007. (SCI:363LZ), Zhao, Dang Yanzhong, Zhong, Weighted Network Properties of Basic Natural Science Research in China, Physics A 377 302-3 14, 2007. (SCI:138JW; EI:0704 1038 1836), Xing-,capacity optimization model of expressway toll plaza, Dalian1401-kloc-0/404 2006, the 6th World Conference on Intelligent Control and Automation. (ei: 071510541434) Guo Qiang, Liu Jianguo, Global Convergence of Modified BFGS Method for Unconstrained Nonconvex Minimization, Journal of Mathematical Applications. Compare. 23 311-319 2007. (ei: 20072310639967) Guo Qiang, Liu Jianguo, Global Convergence of Two Modified BFGS Methods, Journal of Mathematical Applications. Compare. 24 (1-2) 325-3312007. (ei: 070410385600) Guo Qiang, Liu Jianguo, Dan-wang hong, a modified BFGS method and its superlinear convergence in nonconvex minimization under general line search rules, J. mathmatics Compare. 28 435-446 2008.(EI:200833 1 1448576)