Abstract
In this paper, we establish the Fekete and Szegö inequality for a class of holomorphic functions in the unit disk, and then we extend this result to a class of holomorphic mappings on the unit ball in a complex Banach space or on the unit polydisk in \(\mathbb{C}^n\).
Similar content being viewed by others
References
Bhowmik B, Ponnusamy S, Wirths K J. On the Fekete-Szegö problem for concave univalent functions. J Math Anal Appl, 2011, 373: 432–438
Bieberbach L. Über die Koeffzienten der einigen Potenzreihen welche eine schlichte Abbildung des Einheitskreises vermitten. Sitzungsber Preuss Akad Wiss Phys Math Kl, 1916, 14: 940–955
Cartan H. Sur la possibilitéd’étendre aux fonctions de plusieurs variables complexes la théorie des fonctions univalentes. In: Lecons sur les Fonctions Univalentes ou Multivalentes. Paris: Gauthier-Villars, 1933
de-Branges L. A proof of the Bieberbach conjecture. Acta Math, 1985, 154: 137–152
Fekete M, Szegö G. Eine Bemerkunguber ungerade schlichte Funktionen. J Lond Math Soc (2), 1933, 8: 85–89
Gong S. The Bieberbach Conjecture. Providence: Amer Math Soc, 1999
Graham I, Hamada H, Honda T, et al. Growth, distortion and coeffcient bounds for Carathéodory families in Cn and complex Banach spaces. J Math Anal Appl, 2014, 416: 449–469
Graham I, Hamada H, Kohr G. Parametric representation of univalent mappings in several complex variables. Canad J Math, 2002, 54: 324–351
Graham I, Kohr G. Geometric Function Theory in One and Higher Dimensions. New York: Marcel Dekker, 2003
Graham I, Kohr G, Kohr M. Loewner chains and parametric representation in several complex variables. J Math Anal Appl, 2003, 281: 425–438
Hamada H, Honda T. Sharp growth theorems and coeffcient bounds for starlike mappings in several complex variables. Chin Ann Math Ser B, 2008, 29: 353–368
Hamada H, Honda T, Kohr G. Growth theorems and coeffcient bounds for univalent holomorphic mappings which have parametric representation. J Math Anal Appl, 2006, 317: 302–319
Hamada H, Kohr G, Liczberski P. Starlike mappings of order ff on the unit ball in complex Banach spaces. Glas Mat Ser III, 2001, 36: 39–48
Kanas S. An unified approach to the Fekete-Szegö problem. Appl Math Comput, 2012, 218: 8453–8461
Keogh F R, Merkes E P. A coeffcient inequality for certain classes of analytic functions. Proc Amer Math Soc, 1969, 20: 8–12
Koepf W. On the Fekete-Szegö problem for close-to-convex functions. Proc Amer Math Soc, 1987, 101: 89–95
Kohr G. On some best bounds for coeffcients of several subclasses of biholomorphic mappings in Cn. Complex Variables Theory Appl, 1989, 36: 261–284
Kohr G, Liczberski P. On strongly starlikeness of order alpha in several complex variables. Glas Mat Ser III, 1998, 33: 185–198
Liu X S, Liu T S, Xu Q H. A proof of a weak version of the Bieberbach conjecture in several complex variables. Sci China Math, 2015, 58: 2531–2540
London R R. Fekete-Szegö inequalities for close-to-convex functions. Proc Amer Math Soc, 1993, 117: 947–950
Luo H, Xu Q H. On the Fekete and Szegö inequality for a subclass of strongly starlike mappings of order ff. Results Math, 2017, 72: 343–357
Pfaltzgraff J A, Suffridge T J. An extension theorem and linear invariant families generated by starlike maps. Ann Univ Mariae Curie-Sk lodowska Sect A, 1999, 53: 193–207
Puger A. The Fekete-Szegö inequality for complex parameter. Complex Variables Theory Appl, 1986, 7: 149–160
Roper K A, Suffridge T J. Convexity properties of holomorphic mappings in Cn. Trans Amer Math Soc, 1999, 351: 1803–1833
Xu Q H, Fang F, Liu T S. On the Fekete and Szegö problem for starlike mappings of order ff. Acta Math Sin (Engl Ser), 2017, 33: 554–564
Xu Q H, Liu T S. On coeffcient estimates for a class of holomorphic mappings. Sci China Ser A, 2009, 52: 677–686
Xu Q H, Liu T S. On the Fekete and Szegö problem for the class of starlike mappings in several complex variables. Abstr Appl Anal, 2014, 2014: 807026
Acknowledgements
This work was supported by National Natural Science Foundation of China (Grant Nos. 11561030, 11261022 and 11471111), the Jiangxi Provincial Natural Science Foundation of China (Grant Nos. 20152ACB20002 and 20161BAB201019) and Natural Science Foundation of Department of Education of Jiangxi Province of China (Grant No. GJJ150301).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Xu, Q., Liu, T. & Liu, X. Fekete and Szegö problem in one and higher dimensions. Sci. China Math. 61, 1775–1788 (2018). https://doi.org/10.1007/s11425-017-9221-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11425-017-9221-8
Keywords
- Fekete and Szegö problem
- Bieberbach conjectures in several complex variables
- subclasses of starlike mappings
- sharp coefficient bound