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4 papers · 1 filter
Bounds for the product of modified Bessel functions
Árpád Baricz, Dragana Jankov Maširević, Saminathan Ponnusamy +1
In this note our aim is to present some monotonicity properties of the product of modified Bessel functions of first and second kind. Certain bounds for the product of modified Bes…
Concave univalent functions and Dirichlet finite integral
Y. Abu Muhanna, S. Ponnusamy
The article deals with the class consisting of non-vanishing functions that are analytic and univalent in $\ID$ such that the complement $\IC\backslash f(\ID…
Circular Symmetrization, Subordination and Arclength problems on Convex Functions
Mari Okada, Saminathan Ponnusamy, Allu Vasudevarao +1
We study the class of univalent analytic functions in the unit disk of the form $f(z)=z+\sum_{n=2}^{\infty}a_n z…
Radii of covering disks for locally univalent harmonic mappings
Sergey Yu. Graf, Saminathan Ponnusamy, Victor V. Starkov
For a univalent smooth mapping of the unit disk $\ID$ of complex plane onto the manifold $f(\ID)$, let be the radius of the largest univalent disk on the manifold $f…