On certain subclasses of meromorphically p-valent functions

• Autorzy: Lashin, A.
• Języki publikacji: EN

Abstrakty

EN

In this paper we introduce the class [...](A B) of meromorphically p-valent functions and investigate some inclsion properties, coefficient estimates, distortion theorems. Also we investigate some results concerning the partial sums and nieghbourhoods of such functions.

Słowa kluczowe

PL

funkcje meromorficzne; sumy częściowe

EN

meromorphic functions; partial sum; neighborhoods

• Czasopismo: Demonstratio Mathematica
• Rocznik: 2008
• Tom: Vol. 41, nr 2
• Strony: 371-380
• Opis fizyczny: Bibliogr. 10 poz.

Twórcy

autor

Lashin, A.

• Department of Mathematics, Faculty of Science Manosura University Manosura, 35516, Egypt,

Bibliografia

• [1] O. Altintas and S. Owa, Neighborhoods of certain analytic functions with negative coefficients, Internat. J. Math. Math. Sci. 19 (1996), 797-800.
• [2] O. Altintas, Ö. Özkan and H. M. Srivastava, Neighborhoods of a class univalent functions with negative coefficients, Appl. Math. Lett. 13 (3) (2000), 63-67.
• [3] M. D. Ganigiand A. Uralegaddi, Subclasses of meromorphic close to convex functions, Bull. Math. Soc. Sci. Math. R.S. Roumanie, (N.S), 33 (81) (1989), 105-109.
• [4] A. W. Goodman, Univalent functions and analytic curves, Proc. Amer. Math. Soc. 8 (3) (1957), 598-601.
• [5] J.-L. Liu and M. M. Srivastava, Subclasses of meromorphically multivalent functions Associated with a certain linear operator, Math. Computer Modelling 39 (2004), 35-44.
• [6] M. L. Mogra, Meromorphic multivalent functions with positive coefficients I and II, Math. Japon. 35 (1990), 1-11 and 1089-1098.
• [7] J. Patel, On certain subclass of meromorphically univalent functions, Kyungpook Math. J. 42 (2002), 121-132.
• [8] H. Silverman, Partial sums of starlike and convex functions, J. Math. Anal. Appl. 209 (1997), 221-227.
• [9] J. Stankiewicz, Neighborhoods of Meromorphic functions and Hadamard products, Ann. Polon. Math. 66 (1985), 317-331.
• [10] S. Ruscheweyh, Neighborhoods of univalent functions, Proc. Amer. Math. Soc. 81 (4) (1981), 521-527.