Li, Liulan; Ponnusamy, Saminathan; Wirths, Karl Joachim Relations of the class \(\mathcal{U}(\lambda )\) to other families of functions. (English) Zbl 1492.30041 Bull. Malays. Math. Sci. Soc. (2) 45, No. 3, 955-972 (2022). MSC: 30C45 31A05 PDFBibTeX XMLCite \textit{L. Li} et al., Bull. Malays. Math. Sci. Soc. (2) 45, No. 3, 955--972 (2022; Zbl 1492.30041) Full Text: DOI arXiv
Ponnusamy, Saminathan; Sharma, Navneet Lal; Wirths, Karl-Joachim Logarithmic coefficients of the inverse of univalent functions. (English) Zbl 1404.30023 Result. Math. 73, No. 4, Paper No. 160, 20 p. (2018). MSC: 30C45 PDFBibTeX XMLCite \textit{S. Ponnusamy} et al., Result. Math. 73, No. 4, Paper No. 160, 20 p. (2018; Zbl 1404.30023) Full Text: DOI arXiv
Ponnusamy, Saminathan; Wirths, Karl-Joachim On the problem of Gromova and Vasil’ev on integral means, and Yamashita’s conjecture for spirallike functions. (English) Zbl 1295.30042 Ann. Acad. Sci. Fenn., Math. 39, No. 2, 721-731 (2014). MSC: 30C45 PDFBibTeX XMLCite \textit{S. Ponnusamy} and \textit{K.-J. Wirths}, Ann. Acad. Sci. Fenn., Math. 39, No. 2, 721--731 (2014; Zbl 1295.30042) Full Text: DOI
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim Coefficient characterizations and sections for some univalent functions. (English. Russian original) Zbl 1283.30047 Sib. Math. J. 54, No. 4, 679-696 (2013); translation from Sib. Mat. Zh. 54, No. 4, 852-870 (2013). MSC: 30C50 30C45 PDFBibTeX XMLCite \textit{M. Obradović} et al., Sib. Math. J. 54, No. 4, 679--696 (2013; Zbl 1283.30047); translation from Sib. Mat. Zh. 54, No. 4, 852--870 (2013) Full Text: DOI
Avkhadiev, Farit G.; Wirths, Karl-Joachim The punishing factors for convex pairs are \(2^{n-1}\). (English) Zbl 1147.30014 Rev. Mat. Iberoam. 23, No. 3, 847-860 (2007). Reviewer: Nikola Tuneski (Skopje) MSC: 30C50 30C45 30D50 PDFBibTeX XMLCite \textit{F. G. Avkhadiev} and \textit{K.-J. Wirths}, Rev. Mat. Iberoam. 23, No. 3, 847--860 (2007; Zbl 1147.30014) Full Text: DOI Euclid EuDML
Bhowmik, Bappaditya; Ponnusamy, Saminathan; Wirths, Karl-Joachim Domains of variability of Laurent coefficients and the convex hull for the family of concave univalent functions. (English) Zbl 1148.30006 Kodai Math. J. 30, No. 3, 385-393 (2007). Reviewer: Dorin Blezu (Sibiu) MSC: 30C45 PDFBibTeX XMLCite \textit{B. Bhowmik} et al., Kodai Math. J. 30, No. 3, 385--393 (2007; Zbl 1148.30006) Full Text: DOI arXiv