Volume 57, Number 1, March 2012

  S T U D I A

                UNIVERSITATIS BABEŞ-BOLYAI

                               MATHEMATICA

CONTENTS

Ali H. Handam, N-structures applied to associative-I-ideals in IS-algebras . . . . . . . . . . . 3

Constantin Cosmin Todea, On skew group algebras and symmetric algebras . . . . . . . . . 11

Jin Rong Wang, Xi Wang Dong and Wei Wei, On the existence of solutions for a class

of fractional differential equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Mohamed Kamal Aouf, Rabha Mohamed El-Ashwah and Ekram Elsayed Ali, Some

properties of certain class of multivalent analytic functions . . . . . . . . . . . . . . . . . . . . . . 25

Ningegowda Ravikumar and Satyanarayana Latha, On analytic functions with

generalized bounded variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Tirunelveli Nellaiappan Shanmugam and Joseph Lourthu Mary, A note on universally

prestarlike functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Andrea Eva Molnar, A nonsmooth sublinear elliptic problem in RN with perturbations . . .61

Saad Aggoun, Non-isomorphic contact structures on the torus T3 . . . . . . . . . . . . . . . . . 69

Ayhan Esi, Strongly almost summable sequence spaces in 2-normed spaces

defined by ideal convergence and an Orlicz function . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Gancho T. Tachev, On the Conjecture of Cao, Gonska and Kacso . . . . . . . . . . . . . . . . 83

Aysegul Erencin, Gulen Bascanbaz-Tunca and Fatma Tasdelen, Kantorovich type

q-Bernstein-Stancu operators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Nuno C. Freire and Maria Fernanda Veiga, Note on a property of the Banach spaces . . 107

Ilker Eryilmaz, Weighted composition operators on weighted Lorentz-Karamata spaces . .111

Monica Purcaru and Mirela Tarnoveanu, On transformations groups

of N−linear connections on the dual bundle of k−tangent bundle . . . . . . . . . . . . . . . . . . . 121

Jamal M. Mustafa, Totally supra b−continuous and slightly supra

b−continuous functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . 135