g(z), where U(z) and g(z) are analytic in. We will introduced the operator Dn which defined by convolution involving the polylogarithms functions. Using this operator, we introduce the class HP(α,γ, n) by generalized derivative operator of harmonic univalent functions. We give sufficient coefficient conditions for normalized harmonic functions in the class HP(α,γ, n). These conditions are also shown to be necessary when the coefficients are negative. This leads to distortion bounds and extreme points.'> g(z), where U(z) and g(z) are analytic in. We will introduced the operator Dn which defined by convolution involving the polylogarithms functions. Using this operator, we introduce the class HP(α,γ, n) by generalized derivative operator of harmonic univalent functions. We give sufficient coefficient conditions for normalized harmonic functions in the class HP(α,γ, n). These conditions are also shown to be necessary when the coefficients are negative. This leads to distortion bounds and extreme points.'> g(z), where U(z) and g(z) are analytic in. We will introduced the operator Dn which defined by convolution involving the polylogarithms functions. Using this operator, we introduce the class HP(α,γ, n) by generalized derivative operator of harmonic univalent functions. We give sufficient coefficient conditions for normalized harmonic functions in the class HP(α,γ, n). These conditions are also shown to be necessary when the coefficients are negative. This leads to distortion bounds and extreme points.'> g(z), where U(z) and g(z) are analytic in. We will introduced the operator Dn which defined by convolution involving the polylogarithms functions. Using this operator, we introduce the class HP(α,γ, n) by generalized derivative operator of harmonic univalent functions. We give sufficient coefficient conditions for normalized harmonic functions in the class HP(α,γ, n). These conditions are also shown to be necessary when the coefficients are negative. This leads to distortion bounds and extreme points.'>

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