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STUDIA MATHEMATICA - Issue no. 4 / 2019 | |||||||
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ON SUBCLASSES OF BI-CONVEX FUNCTIONS DEFINED BY TREMBLAY FRACTIONAL DERIVATIVE OPERATOR. Authors: SEVTAP SÜMER EKER, BILAL ŞEKER. |
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Abstract: DOI: 10.24193/subbmath.2019.4.02 Published Online: 2019-12-30 Published Print: 2019-12-30 pp. 467-476 VIEW PDF: PDF We introduce and investigate new subclasses of analytic and biunivalent functions defined by modified Tremblay operator in the open unit disk. Also we obtain upper bounds for the coefficients of functions belonging to these classes. Mathematics Subject Classification (2010): 30C45, 30C50, 30C80. Keywords: Bi-convex functions, Tremblay fractional derivative,coefficient bounds and coefficient estimates. |
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