We discuss the Hankel determinants for typically real functions, that is, analytic functions which satisfy the condition in the unit disk Δ. Main results are concerned with and . The sharp upper and lower bounds are given. In general case, for , the results are not sharp. Moreover, we present some remarks connected with typically real odd functions.
"Second Hankel Determinants for the Class of Typically Real Functions." Abstr. Appl. Anal. 2016 1 - 7, 2016. https://doi.org/10.1155/2016/3792367