Let f be a transcendental entire function with order ρ 〈 1/2 and let a be a sufficiently large constant. We prove that if there exists r0 〉 1 such that, for all r 〉 r0 and any small ε 〉0,M(r^σ,f)≥M(r,f)σ...Let f be a transcendental entire function with order ρ 〈 1/2 and let a be a sufficiently large constant. We prove that if there exists r0 〉 1 such that, for all r 〉 r0 and any small ε 〉0,M(r^σ,f)≥M(r,f)σ+ε.then every component of the Fatou set F(f) is bounded.展开更多
In this paper, we discuss the rational maps Fλ(z)=z^n+λ/z^n,n≥2with the positive real parameter )λ. It is shown that the immediately attracting basin Bλ of ∞ for Fλ is always a Jordan domain if the Julia se...In this paper, we discuss the rational maps Fλ(z)=z^n+λ/z^n,n≥2with the positive real parameter )λ. It is shown that the immediately attracting basin Bλ of ∞ for Fλ is always a Jordan domain if the Julia set of Fλ is not a Cantor set. Fuhermore, Bλ is a quasidisk if there is no parabolic fixed point on the boundary of Bλ. It is also shown that if the Julia set of Fλ is connected, then it is locally connected and all Fatou components are Jordan domains. Finally, a complete description to the problem when the Julia set is a Sierpirlski curve is given.展开更多
This article studies the inverse image of rational functions. Several theorems are obtained on the Julia set expressed by the inverse image, and a mistake is pointed out in H.Brolin' theorem incidentally.
基金Supported by National Natural Science Foundation of China(Grant Nos.11261002 and 11261069)Natural Science Foundation of Yunnan Province of China(Grant No.2012FZ167)Educational Commission of Yunnan Province of China(Grant No.2012Z121)
文摘Let f be a transcendental entire function with order ρ 〈 1/2 and let a be a sufficiently large constant. We prove that if there exists r0 〉 1 such that, for all r 〉 r0 and any small ε 〉0,M(r^σ,f)≥M(r,f)σ+ε.then every component of the Fatou set F(f) is bounded.
基金Supported by National Natural Science Foundation of China (Grant Nos. 10831004, 10871047)Science and Technology Commission of Shanghai Municipality (NSF Grant 10ZR1403700)
文摘In this paper, we discuss the rational maps Fλ(z)=z^n+λ/z^n,n≥2with the positive real parameter )λ. It is shown that the immediately attracting basin Bλ of ∞ for Fλ is always a Jordan domain if the Julia set of Fλ is not a Cantor set. Fuhermore, Bλ is a quasidisk if there is no parabolic fixed point on the boundary of Bλ. It is also shown that if the Julia set of Fλ is connected, then it is locally connected and all Fatou components are Jordan domains. Finally, a complete description to the problem when the Julia set is a Sierpirlski curve is given.
基金Project Supported by the National Natural Science Foundation of China(10471048)the Research Fund for the Doctoral Program of Higher Education(20050574002)
文摘This article studies the inverse image of rational functions. Several theorems are obtained on the Julia set expressed by the inverse image, and a mistake is pointed out in H.Brolin' theorem incidentally.