# GENERAL MATHEMATICS

## Vol. 16, no. 4, 2008 Contents

Ana Maria Acu, Mugur Acu, Arif Rafiq
--
Extremal problems with polynomials

Dumitru Acu, Petrica Dicu
--
A note on Mathieu's inequality

Adrian Branga
--
A best approximation property of the
generalized spline functions

Ioana Chiorean
--
Remarks on some parallel computation for
spline recurrence formulas

Eugen Constantinescu
--
About Fejer's sum

Eugen Draghici, Daniel Pop
--
Solution of a polylocal problem using
Tchebychev polynomials

Sorin G. Gal
--
Voronovskaja’s theorem and the exact
degree of approximation for the derivatives
of complex Riesz-Zygmund means

Bogdan Gavrea, Cosmin Petra
--
Large quadratic programming problems
generated by rigid body simulation

Ioan Gavrea
--
A characterization of the orthogonal
polynomials

Heiner Gonska and Ioan Rasa
--
Remarks on Voronovskaya’s theorem

Adrian Holhos
--
Quantitative estimates for positive linear
operators in weighted spaces

Mircea Ivan
--
A simple solution to Basel problem

Vasile Mihesan
--
On a general class of Beta approximating
operators

Ion Marian Olaru
--
Data dependence for some integral equation
via weakly Picard operators

Radu Paltanea
--
On some constants in approximation by
Bernstein operators

Emil C. Popa
--
On an expansion theorem in the finite
operator calculus of G-C Rota

Florin Sofonea
--
On a sequence of linear and positive
operators

Gancho T. Tachev
--
A lower bound for the second moment of
Schoenberg operator

Ioan Tincu
--
A proof of Schur’s Conjecture and an
improvement

Andrei Vernescu, Cristinel Mortici
--
New results in discrete asymptotic analysis

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