Anul XLVI 2001

 

S T U D I A

UNIVERSITATIS BABEŞ-BOLYAI

 

 

MATHEMATICA

4

 

 

 

Redacţia: 400084 Cluj-Napoca, Str. M. Kogălniceanu nr. 1 Tel: 405300

 

 

 

SUMAR CONTENTS SOMMAIRE

 

 

Avishek Adhikari and P.K. Rana, A Study of Functors Associated with

Topological Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

 

Florica Aldea, Some Homeomorphism Theorems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

 

Cristina Antonescu, Interpolation Results for Some Classes of Absolutely

Summing Operators. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

 

Tunay Bilgin, Lacunary Strong A-Convergence with Respect to a Modulus. . . . . . . . . 39

 

Emil O. Burton, A Generalized Inversion Formula and Some Applications . . . . . . . . .47

 

Ioana Chiorean, Parallel Numerical Methods for Solving Nonlinear

Equations. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

 

Zoltan Finta, Pointwise Approximation by Generalized Szasz-Mirakjan

Operators. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

 

Doina Ionac, Some Duality Theorems for Linear-Fractional Programming

Having the Coefficients in a Subfield K of Real Numbers. . . . . . . . . . . . . . . . . . . . .. . . 69

 

Zheng Liu, On Gauss Functional Equations and Mean Values by H. Haruki

and Th.M. Rassias. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

 

Cristinel Mortici, Semilinear Equations in Hilbert Spaces with

Quasi-Positive Nonlinearity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

 

Ioan A. Rus and Bogdan Rus, Dynamics on (Pcp(X),Hd) Generated by a Set

of Dynamics on (X, d) . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

 

Tiberiu Trif, On Certain Inequalities Involving the Identric Mean in n

Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

 

Book Reviews. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115