CODIMENSION

作品数：61被引量：66H指数：5
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相关期刊：《Science China Mathematics》《Chinese Physics Letters》《Acta Mathematica Scientia》《Chinese Annals of Mathematics,Series B》更多>>
相关基金：国家自然科学基金俄罗斯基础研究基金更多>>
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CODIMENSION-TWO BIFURCATIONS ANALYSIS AND TRACKING CONTROL ON A DISCRETE EPIDEMIC MODEL被引量：1
《Journal of Systems Science & Complexity》2011年第6期1033-1056,共24页Na YI Qingling ZHANG Peng LIU Yanping LIN 
This research is supported by the National Natural Science Foundation of China under Grant Nos. 60974004 and 71001074, and the Science Research Foundation of Department of Education of Liaoning Province of China under Grant No. W2010302.
In this paper, the dynamic behaviors of a discrete epidemic model with a nonlinear incidence rate obtained by Euler method are discussed, which can exhibit the periodic motions and chaotic behaviors under the suitable...
关键词：CHAOS codimension-two bifurcations discrete epidemic model tracking control. 
CODIMENSION 1 AND 2 IMMERSIONS OF DOLD MANIFOLDS IN COMPLEX PROJECTIVE SPACES
《Systems Science and Mathematical Sciences》1990年第3期286-288,共3页李贵松 
In this paper the following problem has been completely solved:when is a map f:P（m‘n）→CP? homotopic to an immersion with codimension one or
关键词：Dold MANIFOLD COMPLEX PROJECTIVE space CODIMENSION 1 and 2 IMMERSIONS 
ON CLASSIFICATION OF HIGHER ORDER IMMERSIONS OF MANIFOLDS
《Systems Science and Mathematical Sciences》1990年第1期16-24,共9页李贵松 
Denote by Vfp the set of homotopy classes of codimensiom m framings of the p thorder stable normal bundle of a map f:Mn→Nv（n,p）+m.Where 3≤m=n-1 or m=n-2 butn=0,1 mod 4.W...
关键词：Higher order immersion CODIMENSION n-1 or n-2 CLASSIFICATION stable normal BUNDLE 
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