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[期刊论文] 作者:Huang Zhenghai,HAN Jiye,XU Dac, 来源:中国科学A辑 年份:2004
In this paper, we propose a new smooth function that possesses a property not satisfied by the existing smooth functions. Based on this smooth function, we disc...
[期刊论文] 作者:XU Dachuan,HAN Jiye,DU Donglei, 来源:中国科学A辑(英文版) 年份:2004
We develop improved approximation algorithms for two NP-hard problems:the dense-n/2-subgraph and table compression. Based on SDP relaxation and advanced roundin...
[期刊论文] 作者:ZHANG Liping,HAN Jiye,XU Dachu, 来源:黑龙江科技学院学报 年份:2001
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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