Estimates are obtained for the initial coefficients of a normalized analytic function f in the unit disk D such that f and the analytic extension of f-1 to D belong to certain subclasses of univalent functions. The bounds obtained improve some existing known bounds.
No takes yet. Share an insight, caveat, or question.
Madaan et al. (2021) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: