On a class of analytic functions with negative coefficients

• Autorzy: Patel J. , Sahoo P.
• Języki publikacji: EN

Abstrakty

EN

In this paper, we introduce and study some classes of analytic functions in the unit disk. Comparable results, results concerning the Quasi-Hadamard product and distortion theorems involving fractional calculus of functions belonging to the class are obtained.

Słowa kluczowe

EN

quasi-Hadamard product; analytic functions; distortions

PL

iloczyn Quasi-Hadamarda; funkcje analityczne; zniekształcenia

• Wydawca: Oficyna Wydawnicza Politechniki Rzeszowskiej
• Czasopismo: Zeszyty Naukowe Politechniki Rzeszowskiej. Matematyka
• Rocznik: 2000
• Tom: z. 24 [181]
• Strony: 87--101
• Opis fizyczny: Bibliogr. 7 poz.

Twórcy

autor

Patel J.

autor

Sahoo P.

• Utkal University, India, V. N. College, Jajpur Road, India

Bibliografia

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• [2] St. Ruscheweyh, New criteria fot univalent functions, Proc. Amer. Math. Soc., 49(1975), 109-115.
• [3] H. Silver ma n, Univalent functions with negative coefficients, Proc. Amer. Math. Soc.; 51(1975), 109-116.
• [4] H. M. Srivastava, S. O w a, A new class of analytic functions with negative coefficients, Comment. Math. Univ. St. Paul., 35(1986), 175-188.
• [5] H. M. Srivastava, S. O w a, Univalent Functions, Fractional Calculus, and their Applications, Halsted Press (Ellis Harwood Limited, Chichester), John Wiley and Sons, New York, Chichester, Brisbane and Toronto, 1989.
• [6] H. M. Srivastava, M. Saigo, S. O w a, A class of distortion the orems involving certain operators of fractional calculus, J. Math. Anal. Appl., 131(1988), 412-420
• [7] J. Stankiewicz. L. Trojnar - Spelina, Same opemtor properties of functions with negative coefficients, Folia Sci. Univ. Tech. Res., Math. 15(1994), 63-71