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In the present paper, we prove the convolutions of generalized harmonic right half-plane mappings with harmonic vertical strip mappings are univalent and convex in the horizontal direction. Furthermore, we use a simple method to prove the Theorem~\ref{thmD} that has been proved Kumar~\cite[Theorem 2.4]{Kumar2}. Finally, some examples of harmonic univalent mappings convex in the horizontal direction are also constructed to illuminate our main results.

Convolutions of harmonic half-plane mappings with harmonic vertical strip mappings