CONVOLUTION CONDITIONS FOR q-CONVEXITY, q-STARLIKENESS AND q-SPIRALLIKENESS

CONVOLUTION CONDITIONS FOR q-CONVEXITY, q-STARLIKENESS AND q-SPIRALLIKENESS

H. Shamsan, S. Latha

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Abstract

In the present investigation, the authors derive necessary and su cient con- ditions for q-starlike, q-convex functions of order   and q-spirallike, convex q-spirallike functions using convolution.

Keywords

q-derivative, q-starlike functions, q-convex functions, q-spirallike, convolution.