Karl‐Joachim Wirths

New Inequalities for the Coefficients of Unimodular Bounded Functions

Saminathan Ponnusamy, Ramakrishnan Vijayakumar, Karl‐Joachim Wirths · Results in Mathematics · 2020 · 46 citations

Social Sciences, Mechanical Engineering, Undue Influence +4

Sharp inequalities for the coefficients of concave schlicht functions

F. G. Avkhadiev, Christian Pommerenke, Karl‐Joachim Wirths · Commentarii Mathematici Helvetici · 2006 · 42 citations · Full text

Dentistry, Oral Pathology, Bone Augmentation +5

LOGARITHMIC COEFFICIENTS PROBLEMS IN FAMILIES RELATED TO STARLIKE AND CONVEX FUNCTIONS

Saminathan Ponnusamy, Navneet Lal Sharma, Karl‐Joachim Wirths · Journal of the Australian Mathematical Society · 2019 · 42 citations

Natural Sciences, Economics, Combinatorics +7

Logarithmic Coefficients of the Inverse of Univalent Functions

Saminathan Ponnusamy, Navneet Lal Sharma, Karl‐Joachim Wirths · Results in Mathematics · 2018 · 40 citations

Natural Sciences, Mathematics, Differential Equations +2

Geometric Studies on the Class $${\mathcal {U}}(\lambda )$$ U ( λ )

Milutin Obradović, Saminathan Ponnusamy, Karl‐Joachim Wirths · Bulletin of the Malaysian Mathematical Sciences Society · 2015 · 33 citations · Full text

Natural Sciences, Mathematics, Geometry +1