$$\begin{aligned} f(z)=z+\sum _{n=2}^{\infty } a_{n}z^{n}. \end{aligned}$$ A bi-univalent function is a complex-valued function that is both bijective and univalent in the open unit disk of the ...
Polynomial identities underpin a wide range of methods for analysing and solving differential equations arising in diverse scientific fields. Identities involving Bell polynomials, Stirling numbers ...
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