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In this paper we prove several inclusion relations associated with) , ( n-neighborhood of certain subclasses of analytic functions of complex order with negative coefficients by making use of the familiar concept of neighborhoods of analytic functions. Special cases of some of these inclusion relations are shown to yield known results.
In the present paper, sharp upper bounds of |a 3 − μa 2 2 | for the functions f (z) = z + a 2 z 2 + a 3 z 3 + · · · belonging to a new subclass of Sak-aguchi type functions are obtained. Also, application of our results for subclass of functions defined by convolution with a normalized analytic function are given. In particular, Fekete-Szegö inequalities… (More)
Estimates on the initial coefficients are obtained for normalized analytic functions f in the open unit disk with f and its inverse g = f −1 satisfying the conditions that zf (z)/f (z) and zg (z)/g(z) are both subordinate to a starlike univalent function whose range is symmetric with respect to the real axis. Several related classes of functions are also… (More)
In the present paper, we introduce two new subclasses B (k) λ (α) and L (k) λ (α) of analytic functions with respect to k-symmetric points. Some coefficient inequalities for functions belonging to these classes and their subclasses with positive coefficients are provided.
BACKGROUND Cutaneous melanoma (CM) has a high propensity for regional and systemic spread. This is one of the largest series of CM reported from India. AIMS To predict factors for loco regional recurrence (LRR) and distant metastasis in patients with CM primarily treated with surgery. STUDY DESIGN Retrospective analysis of patient database at a tertiary… (More)