On regions of variability of some differential operators implying starlikeness
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نویسنده
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billing s.s.
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منبع
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proceedings of the pakistan academy of sciences - 2012 - دوره : 49 - شماره : 1 - صفحه:1 -8
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چکیده
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In this paper,we prove a subordination theorem and use it to extend the regions of variability of some differential operators implying starlikeness of normalized analytic functions. mathematica 7.0 is used to show the extended regions of the complex plane. © pakistan academy of sciences.
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کلیدواژه
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Analytic functions; Differential subordination; Starlike functions
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آدرس
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department of applied sciences,baba banda singh bahadur engineering college,fatehgarh sahib-140 407, India
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