In the present investigation, by considering suitable classes of admissible functions, we establish strong differential subordination and superordination properties for λ-pseudo-starlike functions with respect to symmetrical points in the open unit disk U . These results are applied to obtain strong differential sandwich results.2010 Mathematics Subject Classification. Primary: 30C45; Secondary: 30A20.
The main purpose of this manuscript is to find upper bounds for the second and third Taylor-Maclaurin coefficients for two families of holomorphic and bi-univalent functions associated with Ruscheweyh derivative operator. Further, we point out certain special cases for our results.
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