On classes of meromorphic functions with fixed point and fixed second and finitely many coeeficients defined by q -Derivative

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Key wordsDOI
 Meromorphic functions, fixed second positive coefficient, starlike function, convex function, closure theorem, Quantam calculus.

G. E. Abo Elyazyd 1 A. M. Shahin 2 and H. E. Darwish 3
Department of Mathematics Faculty of Science, Mansoura University Mansoura, 35516, Egypt.
Received 11-04-2021, Accepted 10-05-2021, Published 20-06-2021.
DOI: 10.52113/2/08.01.2021/121-129


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