Papers - GFT Registry

Baskar Babujee Janani, V. Ravichandran, Nisha Bohra · 2025 link ↗

21 theorems function class close-to-convex

Stud. Univ. Babe¸s-Bolyai Math. 70(2025), No. 1, 15–32

Baskar Babujee Janani, V. Ravichandran · 2025 link ↗

3 theorems

Criteria for Starlikeness Using Schwarzian Derivatives

Asha Sebastian, V. Ravichandran · 2024 link ↗

Q_ST(z) := zf'(z)/f(z) Q_CV(z) := 1 + zf''(z)/f'(z) Q_SD(z) := z^2 ((f''(z)/f'(z))' − (f''(z)/f'(z))^2/2) (Schwarzian derivative) starlike radius-problem Sebastian

Radius Problems for Certain Classes of Analytic Functions

V. Ravichandran et al. · 2024 arXiv ↗

5 theorems Ma-Minda starlike Janowski starlike strongly starlike

Radius of Starlikeness Through Subordination

Asha Sebastian, V. Ravichandran · 2023 link ↗

3 theorems Janowski starlike starlike/convex of order strongly starlike starlike radius-problem Sebastian

Starlikeness of a product of starlike functions with non-vanishing polynomials

Somya Malik, V. Ravichandran · 2022 arXiv ↗

11 theorems starlike/convex of order strongly starlike uniformly convex

The Booth Lemniscate Starlikeness Radius for Janowski Starlike Functions

Somya Malik, Rosihan M Ali, V. Ravichandran · 2022 arXiv ↗

5 theorems Janowski starlike starlike/convex of order

Coefficient functionals and radius problems of certain starlike functions

Adiba Naz, Sushil Kumar, V. Ravichandran · 2021

Radius of Starlikeness of Certain Analytic Functions

Asha Sebastian, V. Ravichandran · 2021 link ↗

4 theorems Janowski starlike close-to-convex strongly starlike starlike radius-problem Sebastian

Radius of starlikeness for some classes containing non-univalent functions

Shalu Yadav, Kanika Sharma, V. Ravichandran · 2021 arXiv ↗

2 theorems uniformly convex

Starlikeness of Analytic Functions with Subordinate Ratios

Rosihan M. Ali, Kanika Sharma, V. Ravichandran · 2021 arXiv ↗

10 theorems Janowski starlike close-to-convex starlike/convex of order

Estimates for initial coefficients of certain bi-univalent functions

Vibha Madaan, Ajay Kumar, V. Ravichandran · 2020 arXiv ↗

6 claims 4 theorems Ma-Minda starlike Janowski starlike bi-univalent

Inclusion relations and radius problems for a subclass of starlike functions

Prachi Gupta, Sumit Nagpal, V. Ravichandran · 2020 arXiv ↗

11 theorems Janowski starlike close-to-convex strongly starlike

Radius of Starlikeness for Bloch Functions

Somya Malik, V. Ravichandran · 2020 arXiv ↗

5 theorems

Radius of Starlikeness for Classes of Analytic Functions

Kanika Khatter, See Keong Lee, V. Ravichandran · 2020 arXiv ↗

12 theorems Janowski starlike strongly starlike uniformly convex

Starlikeness for Certain Close-to-Star Functions

R. Kanaga, V. Ravichandran · 2020 arXiv ↗

close-to-convex starlike/convex of order strongly starlike

Starlikeness of Certain Non-Univalent Functions

Adam Lecko, V. Ravichandran, Asha Sebastian · 2020 arXiv ↗

8 theorems Janowski starlike close-to-convex strongly starlike starlike radius-problem Sebastian

Starlikeness of certain analytic functions

Ahmad Sulaiman Ahmad El-Faqeer, Maisarah Haji Mohd, V. Ravichandran, Shamani Supramaniam · 2020 arXiv ↗

8 theorems

Sufficient conditions for strong starlikeness

Kanika Sharma, Nak Eun Cho, V. Ravichandran · 2020 arXiv ↗

12 theorems Janowski starlike close-to-convex starlike/convex of order

Toeplitz determinants associated with Ma-Minda classes of starlike and convex functions

Om. P. Ahuja, Kanika Khatter, V. Ravichandran · 2020 arXiv ↗

6 theorems

Acta Univ. Sapientiae, Mathematica, 11, 1 (2019) 5–17

Om P. Ahuja, Asena Çetınkaya, V. Ravichandran · 2019 link ↗

7 theorems

Coefficients of the Inverse Functions and Radius Estimates of Certain Starlike Functions

Adiba Naz, Sushil Kumar, V. Ravichandran · 2019 arXiv ↗

15 claims 16 theorems Ma-Minda starlike Janowski starlike close-to-convex

Coefficients of the Inverse Functions and Radius Estimates of Certain Starlike Functions.

Adiba Naz, Sushil Kumar, V. Ravichandran · 2019

Exponential starlikeness and convexity of confluent hypergeometric, Lommel and Struve functions

Adiba Naz, Sumit Nagpal, V. Ravichandran · 2019 arXiv ↗

17 theorems close-to-convex

Lemniscate Convexity and Other Properties of Generalized Bessel Functions

Vibha Madaan, Ajay Kumar, V. Ravichandran · 2019 arXiv ↗

14 theorems close-to-convex

Mathematics & Statistics

Nisha Bohra, Sushil Kumar, V. Ravichandran · 2019 link ↗

17 theorems

Radii of Starlikeness and Convexity of Bessel Functions

Vibha Madaan, Ajay Kumar, V. Ravichandran · 2019 arXiv ↗

18 theorems

Starlikeness Associated With The Exponential Function

Adiba Naz, Sumit Nagpal, V. Ravichandran · 2019 arXiv ↗

16 theorems

Starlikeness associated with lemniscate of Bernoulli

Vibha Madaan, Ajay Kumar, V. Ravichandran · 2018 arXiv ↗

29 theorems

Stud. Univ. Babe¸s-Bolyai Math. 63(2018), No. 3, 303–311

Om P. Ahuja, Sushil Kumar, V. Ravichandran · 2018 link ↗

4 theorems

Indexed Papers