The present work is an attempt to give partial proofs of certain conjectures on the fifth coefficient of certain normalized analytic functions. Further, bounds on the sixth and seventh coefficients for the starlike functions related to a lune are also investigated. The non-sharp bound on third and fourth Hankel determinants are also obtained.
No takes yet. Share an insight, caveat, or question.
Cho et al. (2020) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: