Papers - Geometric Function Atlas

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441 papers · 2020s Page 12 of 15

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

Ruscheweyh's Univalence Criterion and Quasiconformal Extensions

Ikkei Hotta · 2021 arXiv ↗

8 theorems Bazilevič

Second Hankel Determinant of Logarithmic Coefficients of Convex and Starlike Functions of Order Alpha

B. Kowalczyk, A. Lecko · 2021

Second Hankel determinant of logarithmic coefficients of certain analytic functions

Vasudevarao Allu, Vibhuti Arora · 2021 arXiv ↗

14 claims 8 theorems close-to-convex spirallike

Sharp Bounds of the Hermitian Toeplitz Determinants for Some Classes of Close-to-Convex Functions

Adam Lecko · 2021 link ↗

8 theorems function class close-to-convex

Sharp Inequalities for Determinants of Toeplitz Operators and dbar-Laplacians on Line Bundles

Robert J. Berman · 2021 arXiv ↗

17 theorems

Sharp bounds of Hankel determinants of second and third order for inverse functions of certain class of univalent functions

Milutin Obradović, Nikola Tuneski · 2021 arXiv ↗

3 theorems

Sharp inequalities for Hermitian Toeplitz determinants for strongly starlike and strongly convex functions

Bogumiła Kowalczyk, Adam Lecko and Barbara Śmiarowska · 2021 link ↗

Some applications of q-difference operator involving a family of meromorphic harmonic functions

Neelam Khan; H. M. Srivastava; Ayesha Rafiq; Muhammad Arif; Sama Arjika · 2021 link ↗

14 theorems meromorphic starlike close-to-convex q-starlike

Some properties of certain close-to-convex harmonic mappings

Xiao-Yuan Wang, Zhi-Gang Wang, Jin-Hua Fan, Zhen-Yong Hu · 2021 arXiv ↗

10 claims 16 theorems Ma-Minda starlike close-to-convex harmonic univalent

Some results of Fekete–Szegö type for Bavrin’s families of holomorphic functions in

Renata Długosz · 2021 link ↗

7 theorems

Starlike functions associated with the generalized Koebe function

Rahim Kargar · 2021 link ↗

13 theorems Janowski starlike starlike/convex of order strongly starlike

Starlikeness of Analytic Functions with Subordinate Ratios

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

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

Study on new integral operators defined using confluent hypergeometric function

Georgia Irina Oros · 2021 link ↗

8 theorems close-to-convex

Subclasses of Univalent Functions Involving Modified Sigmoid Function

Olubunmi A. Fadipe-Joseph, Matthew Olanrewaju Oluwayemi, E. O. Titiloye · 2021 link ↗

8 theorems close-to-convex

Sufficiency for Nephroid Starlikeness using Hypergeometric Functions

A. Swaminathan, Lateef Ahmad Wani · 2021 arXiv ↗

4 claims 9 theorems Ma-Minda starlike Janowski starlike strongly starlike medical imaging

Teichmuller space theory and classical problems of geometric function theory

Samuel L. Krushkal · 2021 arXiv ↗

7 theorems cryptography

The second Hankel determinant for strongly convex and Ozaki close-to-convex functions

Young Jae Sim; Adam Lecko; Derek K. Thomas · 2021 link ↗

8 theorems close-to-convex

The sharp bound of the third Hankel determinant for functions of bounded turning

Bogumiła Kowalczyk · 2021 link ↗

2 theorems

Third Hankel Determinant Problem for Certain Subclasses of Analytic Functions Associated with Nephroid Domain

Muhammad Ghaffar Khan, Bakhtiar Ahmad, Wali Khan Mashwani, Timilehin Gideon Shaba, Muhammad Arif · 2021 link ↗

16 theorems bi-univalent close-to-convex q-starlike

Third Hankel determinant and Zalcman functional for a class of starlike functions with respect to symmetric points related with sine function

Muhammad Ghaffar Khan, Bakhtiar Ahmad, G. Murugusundaramoorthy, Wali Khan Mashwani, Sibel Yalçın, Timilehin Gideon Shaba et al. · 2021 link ↗

10 theorems bi-univalent close-to-convex q-starlike

Third Hankel determinant for univalent starlike functions

P. Zaprawa, M. Obradovic, N. Tuneski · 2021

Toeplitz Determinant for a Subclass of Tilted Starlike Functions with Respect to Conjugate Points

Nur Hazwani Aqilah Abdul Wahid, Daud Mohamad · 2021 link ↗

8 theorems close-to-convex q-starlike

Univalence and Quasiconformal Extension of an Integral Operator

S. Kanas, E. Deniz, H. Orhan · 2021 arXiv ↗

2 claims 8 theorems

Upper Bound of the Third Hankel Determinant for a Subclass of Multivalent Functions Associated with the Bernoulli Lemniscate

Khalil Ullah, Jihad Younis, Khurshid Ahmad, A. Manickam, Bilal Khan, Mirajul Haq · 2021 link ↗

28 theorems bi-univalent close-to-convex q-starlike

Upper bound of the third Hankel determinant for a subclass of q-starlike functions associated with the q-exponential function

H. Srivastava, B. Khan, N. Khan · 2021

and the Bieberbach conjecture

Parthiv Haldar, Aninda Sinha, Ahmadullah Zahed · 2021 arXiv ↗

12 theorems

A Cardioid Domain and Starlike Functions

S. Sivaprasad Kumar, Kamaljeet Gangania · 2020 arXiv ↗

10 claims 27 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

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