【摘要】 本文研究了Liénard方程x+f(x)x+g(x)=0在孤立奇点的性态,给出了它的奇点邻域的拓扑结构及其简单判定法,这里f(x),g(x)为多项式。更多还原

【Abstract】 In this paper we study Lienard equation x+f(x)+g(x) = 0 the nature of the critical points and the topological structure at its neighborhood of the critical points. Some simple criterions are obtained, where f(x) and g(x) are polynomials.更多还原