Volume 33 • Number 1 • 2010   • A Family of Integral Operators Preserving Subordination and Superordination Ri-Guang Xiang, Zhi-Gang Wang and M. Darus Abstract. The main purpose of the present paper is to investigate some subordination-preserving and superordination-preserving properties of a certain family of integral operators. Several sandwich-type results associated with this family of integral operators are also derived. 2000 Mathematics Subject Classification: Primary: 30C45; Secondary: 30C80. Full text: PDF