equivariant 中文意思是什麼
equivariant
解釋
等變化的-
Finite determinacy of equivariant bifurcation problem with respect to right equivalent group
等變分歧問題關于右等價群的有限決定性 -
Classification of d3, o - equivariant bifurcation problems up to codimension
等變分歧問題的分類 -
Numerical determination of symmetry - increasing bifurcation of chaotic attractors in a class of planar d3 - equivariant mapping
3等變映射的混沌吸引子對稱增加分歧的數值確定 -
Infinitesimally stable unfolding of equivariant bifurcation problems
等變分歧問題的無窮小穩定開拓 -
The unfoldings of equivariant two - parameter bifurcation problems
多參數等變分歧問題的開折的無窮小穩定性 -
Finite determination of - equivariant bifurcation problems
等變分歧問題的有限決定性 -
The classification of phase portraits about some hamiltonian vector field with z3 - equivariant property
等變向量場的相圖分類 -
The unfolding of multiparameter equivariant bifurcation problems with respect to left - right equivalence
等變兩參數分歧問題的開折 -
The infinitesimally stability of unfolding of multiparameter equivariant bifurcation problems
多參數等變分歧問題關於左右等價的開折 -
The stability of equivariant bifurcation problems with parameters symmetry and their unfoldings
參數具有對稱性的等變分歧問題及其開折的穩定性 -
The uniqueness and stability conditions of unfoldings of equivariant two - parameter bifurcation problems
等變兩參數分歧問題開折的惟一性和穩定條件 -
Improvement on equivariant prediction interval under order restriction
序限制下同變預測區間的改進 -
An improvement on the best equivariant prediction interval under location family
位置分佈族下最優同變預測區間的改進 -
In the first part, hilbert ' s 16th problem and the studies on it are introduced, and the results of zq - equivariant vector fields of degree 5 ( q = 2, 3, 5, 6 ) are given. in the second part, the definitions of zq - equivariant vector fields and the method of detection functions are stated, and all the forms of nontrivial zq - equivariant planar polynomial vector fields of degree 7 are obtained. in the third part, a concrete numerical example of zt - equivariant perturbed planar hamiltonian system of degree 7 is constructed, and for the unperturbed vector field having maximal number of centers, its global phase portraits are analyzed ( having at least 9 topologically different phase portraits ). then, for a given parameter group, its phase portrait trend is studied
第一部分介紹了hilbert第16問題以及它的研究與發展現狀,給出了近年來利用李繼彬提出的判定函數法得出的z _ q -等變( g = 2 , 3 , 5 , 6 )的5次系統關於它的第二部分的研究結果;第二部分介紹了z _ q -等變向量場以及判定函數法,給出了7次平面多項式系統的所有非平凡z _ q -等變向量場具有的形式;第三部分給出了一個7次平面擾動hamilton系統,研究了它的具有最大中心數的未擾動系統( z _ 7 -等變)的全局象圖,得到了9種不同的拓撲圖形。 -
Unfoldings of equivariant bifurcation problems with parameter symmetry under a left - right equivalent group
分歧參數帶有對稱性的等變分歧問題在左右等價群下的開折 -
In the fourth part, by using the bifurcation theory of planar dynamical systems and the method of detection functions, the paper gives a configuration of limit cycles forming compound eyes. with the help of numerical analysis ( usi ng maple ), it is shown that there exist parameter groups such that a z7 - equivariant planar polynomial vector field of degree 7 has at least 36 limit cycles with z7 - symmetry
然後,對於一組特定的參數值,研究了它的相軌線的變化趨勢;第四部分指出:在一定的條件下,利用平面動力系統分支理論以及判定函數法,在計算機數學軟體( maple )的幫助下,得到結論: 7次z _ 7 -等變平面向量場至少有36個極限環,形成具有z _ 7 ?對稱性的極限環分佈。 -
The paper consists of two parts. in the first part, the definitions of zq - equivariant vector fields and the method of detection functions are stated. in the second part, a concrete numerical example of z8 - equivariant perturbed planar hamiltonian system of of degree 7 is constructed, and for the unperturbed vector field having maximal number of centers, its global phase portraits are analyzed
本文由兩部分組成,第一部分為綜述,介紹了z _ q -等變向量場以及判定函數法;第二部分首先討論了一類7次z _ 8 -等變的平面hamilton系統,研究了具有最大中心數時的hamilton系統可能存在的部分全局象圖。
分享友人