Applied Mathematics and Mechanics (English Edition) ›› 1988, Vol. 9 ›› Issue (5): 485-488.
王晓君
Wang Xiao-jun
摘要: In this paper, we apply the coningacy and boundedness of the zeros for a polynomial fn(z) with real coefficienta (i=0,1,2,…,n). A new simple geometric criterion for stability of fn(z) is given which is very convenient for application.