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math.CV2019
Coefficients of the Inverse Functions and Radius Estimates of Certain Starlike Functions
Adiba Naz, Sushil Kumar, V. Ravichandran
Ma-Minda class (of starlike functions) consists of all normalized analytic functions on the unit disk for which the image of is contained in the some starlike reg…
math.CV2019
Differential Subordination for Janowski Functions with Positive Real Part
Swati Anand, Sushil Kumar, V. Ravichandran
Theory of differential subordination provides techniques to reduce differential subordination problems into verifying some simple algebraic condition called admissibility condition…