
Let \(S^*_R\) be the class of univalent starlike functions with real coefficients defined in the unit disk. Using the Carathéodory-Toeplitz conditions, the authors are able to solve the constraint problems of the third and fourth coefficients of \(S^*_R\) for fixed second coefficient in \([-2,2]\).
Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), starlike functions, coefficient problems, Carathéodory-Toeplitz conditions, Coefficient problems for univalent and multivalent functions of one complex variable
Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), starlike functions, coefficient problems, Carathéodory-Toeplitz conditions, Coefficient problems for univalent and multivalent functions of one complex variable
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