Sharp distortion theorems for some subclasses of starlike mappings on Bnp in ℂn
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DOI: 10.1007/s11464-020-0819-z
Abstract: We mainly establish the distortion theorems of Jacobi determinant for three subclasses of starlike mappings on B, where $$B_p^n = \{ z = {({z_1},...,{z_n})^T} \in {\mathbb{C}^n}:\sum\nolimits_{l = 1}^n {|{z_l}{|^p} 1. In particular, the above distortion… read more here.
Keywords: sharp distortion; distortion theorems; distortion; starlike mappings ... See more keywords
Majorization Results for Subclasses of Starlike Functions Based on the Sine and Cosine Functions
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DOI: 10.1007/s41980-019-00262-y
Abstract: The object of this paper was to study two majorization results for the subclasses $$S^*_{s}$$ S s ∗ and $$S^*_{c}$$ S c ∗ of starlike functions, which are, respectively, associated with the sine and cosine… read more here.
Keywords: sine cosine; cosine functions; majorization results; starlike functions ... See more keywords
Certain Subclasses of Bi-Starlike Function of Complex Order Defined by Erdély-Kober-Type Integral Operator
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DOI: 10.3390/axioms11050237
Abstract: In the present paper, we introduce new subclasses of bi-starlike and bi-convex functions of complex order associated with Erdély–Kober-type integral operator in the open unit disc and find the estimates of initial coefficients in these… read more here.
Keywords: integral operator; complex order; subclasses starlike; kober type ... See more keywords
Subclasses of Starlike and Convex Functions Associated with the Limaçon Domain
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DOI: 10.3390/sym12060942
Abstract: Let ST L ( s ) and CV L ( s ) denote the family of analytic and normalized functions f in the unit disk D : = z : | z | < 1… read more here.
Keywords: convex functions; functions associated; starlike convex; lima domain ... See more keywords