6篇
您的检索式：作者名="JI SHOUFENG"
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| 1 | Maximal Dimension of Invariant Subspaces to Systems of Nonlinear Evolution Equations显示文摘In this paper,the dimension of invariant subspaces admitted by nonlinear systems is estimated under certain conditions.It is shown that if the two-component nonlinear vector differential operator F=(F 1,F 2) with orders {k 1,k 2 } (k 1 ≥ k 2) preserves the invariant subspace W 1 n 1 × W 2 n 2 (n 1 ≥ n 2),then n 1 n 2 ≤ k 2,n 1 ≤ 2(k 1 + k 2) + 1,where W q n q is the space generated by solutions of a linear ordinary differential equation of order n q (q=1,2).Several examples including the (1+1)-dimensional diffusion system and Ito 's type,Drinfel'd-Sokolov-Wilson's type and Whitham-Broer-Kaup's type equations are presented to illustrate the result.Furthermore,the estimate of dimension for m-component nonlinear systems is also given. | Shoufeng SHEN Changzheng QU Yongyang JIN Lina JI | 2012 | Chinese Annals of Mathematics,Series B2012，33，2： | 13 |
| 2 | A Model on Inventory and Supply Management under VMI Tactics显示文摘 | Shoufeng Ji Yunli Zhang | 2004 | Chinese Business Review2004，3，9： | 1 |
| 3 | Partner choice of supply chain based on 3d printing and big data显示文摘 | YURAN JIN JI SHOUFENG | 2013 | Information Technology Journal2013，12，22： | 1 |
| 4 | Partner Choice of Supply Chain Based on 3D Printing and Big Data显示文摘 | Yuran Jin Ji Shoufeng | 2013 | Information Technology Journal2013，12，22： | 1 |
| 5 | Partner Choice of Supply Chain Based on 3D Primi-ng and Big Data 显示文摘 | Yuran Jin Ji Shoufeng | 2013 | Information Technology Journal2013，12，22： | 1 |
| 6 | The Research Mode Concerning with Chinese Enterprises Dynamic Strategic Alliances and Risk Defenses显示文摘 | Shoufeng Ji Qingshan Zhang | 2005 | Chinese Business Review2005，4，1： | 0 |
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