Differential Subordinations for Fractional- Linear Transformations

نویسندگان

  • YONG CHAN KIM
  • ADAM LECKO
  • JAE HO CHOI
  • MEGUMI SAIGO
چکیده

We establish that the differential subordinations of the forms p(z)+γzp′(z)≺ h(A1,B1;z) or p(z)+γzp′(z)/p(z) ≺ h(A2,B2;z) implies p(z) ≺ h(A,B;z), where γ ≥ 0 and h(A,B;z)= (1+Az)/(1+Bz) with −1≤ B <A.

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تاریخ انتشار 2000