V. Ravichandran

activity

20112022

most citedCoefficient estimates for bi-univalent Ma-Minda starlike and convex functions

232 citations · 512 across the 60 of their papers we have counts for

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Showing 2018Show all

3 papers · 1 filter

math.CV2018

Harmonic Univalent Functions Defined by Post Quantum Calculus Operators

Om P. Ahuja, Asena Çetinkaya, V. Ravichandran

We study a family of harmonic univalent functions in the open unit disc defined by using post quantum calculus operators. We first obtained a coefficient characterization of these…

math.CV2018★ 1 cited

Directional Convexity of Combinations of Harmonic Half-Plane and Strip Mappings

Subzar Beig, V. Ravichandran

For $k = 1, 2$ , let $f_{k} = h_{k} + g_{k}$ be normalized harmonic right half-plane or vertical strip mappings. We consider the convex combination $\hat{f}=ηf_1+(1-η)f_2 =ηh_1+(1-η)h…

math.CV2018★ 1 cited

Starlikeness associated with lemniscate of Bernoulli

Vibha Madaan, Ajay Kumar, V. Ravichandran

For an analytic function $f$ on the unit disk $D = {z : ∣ z ∣ < 1}$ satisfying $f (0) = 0 = f^{'} (0) - 1,$ we obtain sufficient conditions so that $f$ satisfies $∣ (z f^{'} (z) / f (z))^{2} - 1∣ < 1.$ T…