Anul LII 2007

 

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

 

Petru Blaga and Octavian Agratini, Professor D.D.Stancu

at his 80th Birthday Anniversary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

 

Alina Beian-Putura, On Certain Numerical Cubature Formulas for a Triangular Domain . . . . . 9

 

Petru Blaga and Gheorghe Coman, Some Problems on Optimal Quadrature . . . . . . . . . . . . 21

 

Ioana Chiorean, Remarks on Computing the Value of an Option with Binomial Methods . . . . . 45

 

Voichita Cleciu, Bernstein-Stancu Operators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

 

Edith EGri and Ioan A. Rus, First Order iterative Functional-Differential Equation

with Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

 

I. Gavrea, On Bernstein-Stancu Type Operators. . . . . . . . . . . . . . . . . . . . 81

 

G. Mastroianni and D. Occorsio, Mean Convergence of Fourier Sums on Unbounded Intervals. . . 89

G. Mastroianni and J. Szabados, Polynomial Approximation on the Real Semiaxis

with Generalized Laguerre Weights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 105

 

Ion Mihoc and Cristina Fatu, The orthogonal principle and conditional densities . . . . . . . . . . . 129

 

 

G. Milovanovic and A. S. Cvetkovic, Logarithmic Modification of the Jacobi Weight Function ...143

 

 

Cristina Radu, A-Summability and Approximation of Continuous Periodic Functions . . . . .. . . 155

 

Book Reviews . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163