Close-to-Convexity of Convolutions of Classes of Harmonic Functions
For j=1,2 and for positive integers m and n, we consider classes of harmonic functions fj=hj+gj¯, where g1(z)=znh1(z) and g2′(z)=znh2′(z) or g1′(z)=znh1′(z) and g2′(z)=zmh2′(z), and we prove that their convolution f1⁎f2=h1⁎h2+g1⁎g2¯ is locally one-to-one, sense-preserving, and close-to-convex harmon...
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Main Authors: | Raj Kumar Garg, Jay M. Jahangiri |
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Format: | Article |
Language: | English |
Published: |
Wiley
2018-01-01
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Series: | International Journal of Mathematics and Mathematical Sciences |
Online Access: | http://dx.doi.org/10.1155/2018/3808513 |
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