Volume 2,  Issue 3, 2001

Article 35

CONSEQUENCES OF A THEOREM OF ERDÖS-PRACHAR

LAURENTIU PANAITOPOL

FACULTY OF MATHEMATICS, 
UNIVERSITY OF BUCHAREST, 
14 ACADEMIEI ST., RO-70109 BUCHAREST, 
ROMANIA
E-Mail: pan@al.math.unibuc.ro

Received 27 March, 2001; accepted 11 June, 2001.
Communicated by: L. Toth


ABSTRACT.    We study the asymptotic behavior of the sums $ \sum\limits_{n\le x}\left\vert\frac{c_{n+1}}{p_{n+1}}-\frac{c_n}{p_n}\right\vert$ and $ \sum\limits_{n\le x}\left\vert\frac{p_{n+1}}{c_{n+1}}-\frac{p_n}{c_n}\right\vert$, and of the series $ \sum\limits_{n=1}^{\infty}
\left\vert\frac{c_{n+1}}{p_{n+1}}-\frac{c_n}{p_n}\right\vert^{\alpha}$, where $ p_n$ denotes the $ n$-th prime number while $ c_n$ stands for the $ n$-th composed number.
Key words:
Sequences, Series, Prime Numbers, the Sequence of Composed Numbers, Asymptotic Formula

2000 Mathematics Subject Classification:
11A25, 11N05.


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Generalized Auxiliary Problem Principle and Solvability of a Class of Nonlinear Variational Inequalities Involving Cocoercive and Co-Lipschitzian Mappings
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On Some Generalizations of Steffensen's Inequality and Related Results
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A Weighted Analytic Center for Linear Matrix Inequalities
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Good Lower and Upper Bounds on Binomial Coefficients
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Improvement of an Ostrowski Type Inequality for Monotonic Mappings and its Application for Some Special Means
S.S. Dragomir and M.L. Fang

On the Utility of the Telyakovskii's Class S
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L'Hospital Type Rules for Oscillation, with Applications
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Matrix and Operator Inequalities
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Consequences of a Theorem of Erdös-Prachar
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On a Reverse of Jessen's Inequality for Isotonic Linear Functionals
S.S. Dragomir 

Lp-Improving Properties for Measures on R4 Supported on Homogeneous Surfaces in Some Non Elliptic Cases
E. Ferreyra, T. Godoy and M. Urciuolo 

Some Properties of the Series of Composed Numbers
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