QUADRIC

作品数:45被引量:83H指数:5
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相关领域:理学自动化与计算机技术更多>>
相关作者:聂鑫张淮清崔建莲侯晋川林中更多>>
相关机构:重庆大学陕西铁路工程职业技术学院山西师范大学空军工程大学更多>>
相关期刊:《Chinese Physics B》《Journal of Hydrodynamics》《数学杂志》《Frontiers of Mathematics in China》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划中国航空科学基金北京市自然科学基金更多>>
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An Improved Algorithm for Constructing Moving Quadrics from Moving Planes被引量:1
《Journal of Systems Science & Complexity》2017年第6期1483-1506,共24页LAI Yisheng CHEN Falai 
supported by the National Natural Science Foundation of China under Grant Nos.11271328and 11571338;the Zhejiang Provincial Natural Science Foundation under Grant No.Y7080068
This paper proposes an improved algorithm to construct moving quadrics from moving planes that follow a tensor product surface with no base points, assuming that there are no moving planes of low degree following the ...
关键词:IMPLICITIZATION moving plane moving quadric rational surface 
NON-EXISTENCE OF SINGULAR CYCLES IN A QUADRIC DIFFERENTIAL SYSTEM WITH FINE FOCUS OF ORDER THREE
《Systems Science and Mathematical Sciences》1994年第2期133-139,共7页LU Gang LIANG Zhao jun(Department of Mathematics, Huazhong Normal Universitg, Wuhan 430070, China) 
NON-EXISTENCEOFSINGULARCYCLESINAQUADRICDIFFERENTIALSYSTEMWITHFINEFOCUSOFORDERTHREE¥LUGang;LIANGZhaojun(Depor...
关键词:Homodinic HETEROCLINIC centre-focus criterion SINGULAR cycles. 
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