On certain classes of harmonic functions defined by the fractional derivatives

M. Eshaghi Gordji, S. Shams, A. Ebadian

In this paper we have introduced two new classes $\mathcal{H}\mathcal{M}(\beta ,\lambda ,k,\nu )$ and $\overline{\mathcal{H}\mathcal{M}}(\beta ,\lambda ,k,\nu )$ of complex valued harmonic multivalent fu…