Sharp estimates are proved for |Γ_n| ≤ 1/(2n(n+1)) (n=1,2,3), coefficient differences, the Hankel determinant H_{2,1}, and Fekete-Szegő functionals for inverse logarithmic coefficients of functions in C_e, with extremal functions constructed.
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Inverse Logarithmic Coefficients, Differences, Hankel Determinant, and Fekete--Szeg\"{o} Functionals for the Class $\mathcal{C}_e$
Sharp estimates are proved for |Γ_n| ≤ 1/(2n(n+1)) (n=1,2,3), coefficient differences, the Hankel determinant H_{2,1}, and Fekete-Szegő functionals for inverse logarithmic coefficients of functions in C_e, with extremal functions constructed.