• Bulletin of the Korean Mathematical Society
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• v.37 no.4
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• pp.755-764
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• 2000

We introduce a new class of functions $H_{\kappa}({\beta})$ which is related to close-to-star functions and we derive a few geometric properties for the class $H_{\kappa}({\beta}),{\;}(2{\leq}k{\kappa}{\leq}4)$.

• The Pure and Applied Mathematics
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• v.6 no.2
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• pp.59-66
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• 1999

We introduce a new class of functions $H_{k}[A,{\;}B]$ described by subordination and we derive a few geometric properties for the class $H_{k}[A,{\;}B]$.