Papers - GFT Registry

Coefficient problems of Starlike Functions Related to a Balloon-Shaped Domain

S. Sivaprasad Kumar and A. Tripathi · 2026 arXiv ↗

18 claims 15 theorems Janowski starlike close-to-convex strongly starlike

Generalized Toeplitz determinants for Starlike Mappings in Several Complex Variables

Surya Giri, S. Sivaprasad Kumar · 2026 arXiv ↗

8 theorems

On Geometric properties and Coefficient bounds for starlike functions associated with balloon-shaped domain

S. Sivaprasad Kumar and Arya Tripathi · 2026 arXiv ↗

9 claims 10 theorems Ma-Minda starlike

A new differential subordination technique for a subclass of starlike functions

S. Sivaprasad Kumar, Pooja Yadav · 2024 arXiv ↗

19 theorems Janowski starlike strongly starlike

Higher order differential subordinations for certain starlike functions

Neha Verma, S. Sivaprasad Kumar · 2024 arXiv ↗

29 theorems Ma-Minda starlike Janowski starlike strongly starlike

On Coefficient problems for starlike functions

S. Sivaprasad Kumar, Arya Tripathi and Snehal Pannu · 2024 arXiv ↗

9 claims 2 theorems close-to-convex

On Starlike Functions Associated with a Bean Shaped Domain

S. Sivaprasad Kumar, Pooja Yadav · 2024 arXiv ↗

20 theorems Ma-Minda starlike Janowski starlike strongly starlike image processing signal processing

On estimation of Hankel determinants for certain class of starlike functions

S. Sivaprasad Kumar, Neha Verma · 2024 arXiv ↗

11 claims 8 theorems Ma-Minda starlike

Starlike Functions Associated with a Non-Convex Domain

S. Sivaprasad Kumar, Surya Giri · 2024 arXiv ↗

10 claims 19 theorems Janowski starlike p-valent

Differential Subordination of Certain Class of Starlike Functions

Neha Verma, S. Sivaprasad Kumar · 2023 arXiv ↗

17 theorems Janowski starlike strongly starlike

On a Class of Non-Univalent functions Associated

S. Sivaprasad Kumar, Mridula Mundalia · 2023 link ↗

20 theorems starlike/convex of order

On a Subclass of Starlike Functions Associated with a Strip Domain

S. Sivaprasad Kumar, Neha Verma · 2023 arXiv ↗

13 theorems Ma-Minda starlike Janowski starlike strongly starlike

Toeplitz Determinants for a Class of Holomorphic Mappings in Higher Dimensions

Surya Giri, S. Sivaprasad Kumar · 2023 arXiv ↗

7 claims 9 theorems

Toeplitz determinants of Logarithmic coefficients for Starlike and Convex functions

Surya Giri, S. Sivaprasad Kumar · 2023 arXiv ↗

7 theorems Janowski starlike close-to-convex p-valent image processing signal processing quantum

A Conjecture on $H_3(1)$ For Certain Starlike Functions

Neha Verma, S. Sivaprasad Kumar · 2022 arXiv ↗

11 claims 6 theorems Ma-Minda starlike Bazilevič

Coefficient problems for certain Close-to-Convex Functions

Mridula Mundalia, S. Sivaprasad Kumar · 2022 arXiv ↗

5 theorems close-to-convex p-valent medical imaging

Hermitian-Toeplitz determinants for certain univalent functions

Surya Giri, S. Sivaprasad Kumar · 2022 arXiv ↗

8 theorems Janowski starlike close-to-convex strongly starlike signal processing

Majorization for Starlike and Convex functions with respect to Conjugate points

Kamaljeet Gangania, S. Sivaprasad Kumar · 2022 arXiv ↗

2 theorems Ma-Minda starlike

On a Class of certain Non-Univalent Functions

S. Sivaprasad Kumar, Pooja Yadav · 2022 arXiv ↗

11 theorems Ma-Minda starlike starlike/convex of order strongly starlike

On a subfamily of starlike functions related to Hyperbolic Cosine function

Mridula Mundalia, S. Sivaprasad Kumar · 2022 arXiv ↗

14 theorems Ma-Minda starlike Janowski starlike strongly starlike medical imaging

On sharp third Hankel determinant for certain starlike functions

Neha Verma, S. Sivaprasad Kumar · 2022 arXiv ↗

2 theorems

Radius Constants of Sigmoid Starlike Functions

Priyanka Goel, S. Sivaprasad Kumar · 2022 arXiv ↗

24 claims 16 theorems Janowski starlike

Sharp Bounds of Fifth Coefficient and Hermitian-Toeplitz determinants for Sakaguchi Classes

Surya Giri, S. Sivaprasad Kumar · 2022 arXiv ↗

12 theorems Janowski starlike

Sharp bounds of third Hankel determinant for a class of starlike functions and a subclass of $q$-starlike functions

Shagun Banga, S. Sivaprasad Kumar · 2022 arXiv ↗

3 theorems q-starlike strongly starlike

Third Hankel Determinant For A Class Of Starlike Functions Associated With Exponential Function

Kunal Joshi, S. Sivaprasad Kumar · 2022 arXiv ↗

2 claims 2 theorems q-starlike bi-univalent close-to-convex

Toeplitz Determinants in One and Higher Dimensions

Surya Giri, S. Sivaprasad Kumar · 2022 arXiv ↗

11 claims 16 theorems Janowski starlike strongly starlike

Toeplitz determinants on bounded starlike circular domain in $\mathbb{C}^n$

Surya Giri, S. Sivaprasad Kumar · 2022 arXiv ↗

7 theorems starlike/convex of order strongly starlike

A Novel Class of Starlike Functions

S. Sivaprasad Kumar, Shagun Banga · 2021 arXiv ↗

6 claims 16 theorems Ma-Minda starlike starlike/convex of order strongly starlike

A Cardioid Domain and Starlike Functions

S. Sivaprasad Kumar, Kamaljeet Gangania · 2020 arXiv ↗

10 claims 23 theorems Janowski starlike strongly starlike

A Class of Analytic Functions associated with Sine Hyperbolic Functions

S. Sivaprasad Kumar, Muhammad Ghaffar Khan, Bakhtiar Ahmad, Wali Khan Mashwani · 2020 arXiv ↗

25 theorems

Indexed Papers