On a subclass of analytic functions with negative coefficients. - Halit Orhan (Appl. Math. Comput., 2003)

A new class of analytic functions with negative coefficients. - Halit Orhan (Appl. Math. Comput., 2003)

On the Fekete-Szegö problem. - Halit Orhan; Muhammet Kamali (Appl. Math. Comput., 2003)

Starlike, convex and close-to convex functions of complex order. - Halit Orhan; Muhammet Kamali (Appl. Math. Comput., 2003)

Fractional calculus and some properties of certain starlike functions with negative coefficients. - Halit Orhan; Muhammet Kamali (Appl. Math. Comput., 2003)

A generalization on subfamily of p-valent functions with negative coefficients. - Halit Orhan; Hükmi Kiziltunç (Appl. Math. Comput., 2004)

Coefficient inequalities and inclusion relations for some families of analytic and multivalent functions. - H. M. Srivastava 001; Halit Orhan (Appl. Math. Lett., 2007)

Generalized Alpha-Close-to-Convex Functions. - Khalida Inayat Noor; Halit Orhan; Saima Mustafa (Int. J. Math. Math. Sci., 2009)

Fekete-Szegö problem for strongly starlike functions associated with generalized hypergeometric functions. - Halit Orhan; Dorina Raducanu (Math. Comput. Model., 2009)

Some general univalence criteria for a family of integral operators. - H. M. Srivastava 001; Erhan Deniz; Halit Orhan (Appl. Math. Comput., 2010)

The Fekete-Szegö problem for subclasses of analytic functions defined by a differential operator related to conic domains. - Halit Orhan; Erhan Deniz; Dorina Raducanu (Comput. Math. Appl., 2010)

Coefficient bounds for a subclass of starlike functions of complex order. - Murat Çaglar; Erhan Deniz; Halit Orhan (Appl. Math. Comput., 2011)

Univalence criterion for meromorphic functions and Loewner chains. - Erhan Deniz; Halit Orhan (Appl. Math. Comput., 2011)

Subclasses of meromorphically multivalent functions defined by a differential operator. - Halit Orhan; Dorina Raducanu; Erhan Deniz (Comput. Math. Appl., 2011)

On the univalence of an integral operator defined by Hadamard product. - Erhan Deniz; Dorina Raducanu; Halit Orhan (Appl. Math. Lett., 2012)

Second Hankel determinant for bi-starlike and bi-convex functions of order β. - Erhan Deniz; Murat Çaglar; Halit Orhan (Appl. Math. Comput., 2015)

Fekete-Szegö Inequalities for Some Certain Subclass of Analytic Functions Defined with Ruscheweyh Derivative Operator. - Halit Orhan; Luminita-Ioana Cotîrla (Axioms, 2022)

A New Subclass of Bi-Univalent Functions Defined by a Certain Integral Operator. - Daniel Breaz; Halit Orhan; Luminita-Ioana Cotîrla; Hava Arikan (Axioms, 2023)