In this paper, we initiate the introduction of concepts of region of type Ⅰ-Ⅳ in thephase plane, discuss topological classifications of global structure of the plane cubic system with the stellar node, and give the ...In this paper, we initiate the introduction of concepts of region of type Ⅰ-Ⅳ in thephase plane, discuss topological classifications of global structure of the plane cubic system with the stellar node, and give the twenty-six global structures and criteria by theright-hand palynominal coefficients of system.展开更多
文摘In this paper, we initiate the introduction of concepts of region of type Ⅰ-Ⅳ in thephase plane, discuss topological classifications of global structure of the plane cubic system with the stellar node, and give the twenty-six global structures and criteria by theright-hand palynominal coefficients of system.