Author/Authors :
Akbari، Monireh نويسنده Shahid Rajaee Teacher Training University , , Rabii، Maryam نويسنده Alzahra University ,
Abstract :
The aim of this paper is to present a proof of the hyperbolicity of the family $f_c(x)=c(x-\frac{x^3}{3})$, |c| > 3, on an its invariant subset of R.
