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Dive into the research topics where George Psihoyios is active.

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Featured researches published by George Psihoyios.


Mathematical and Computer Modelling | 2005

A new trigonometrically-fitted sixth algebraic order P-C algorithm for the numerical solution of the radial schrödinger equation

George Psihoyios; Theodore E. Simos

The new scheme developed in this paper is a new trigonometrically-fitted predictor-corrector (P-C) scheme based on the Adams-Bashforth-Moulton P-C methods. In particular, our predictor is based on the fifth algebraic order Adams-Bashforth scheme and our corrector on the sixth algebraic order Adams-Moulton scheme. We compared the efficiency of this new scheme against well known methods and the numerical experimentations showed that our scheme is more efficient, even when compared to methods that have been specially designed for the solution of the radial Schrodinger equation.


Mathematical and Computer Modelling | 2004

Some general formulae for the stability function of explicit advanced step-point (EAS) methods

George Psihoyios

In this paper, we present certain general formulae for the stability function of explicit advanced step-point (EAS) methods ^[^1^,^2^]. The stability function of EAS methods is quite complicated and appropriate general formulae will facilitate stability analysis and further computational manipulation of these and similar methods. A brief background and a description of the approach followed are also given in the first two sections.


Mathematical and Computer Modelling | 2005

Modelling fuzzy universal resource identifiers: A first approach

C. J. Mitchell; George Psihoyios

A universal resource identifier (or URI) is a compact string of characters for identifying an abstract or physical resource, providing a simple and extensible means for identifying that resource [1] in the world wide web. In this paper, we present a new modelling approach of extending this identifier to encompass paths of a type of directed labelled fuzzy trees.


Archive | 2010

ICNAAM 2010: International Conference of Numerical Analysis and Applied Mathematics 2010

Theodore E. Simos; George Psihoyios; Ch. Tsitouras


Mathematical and Computer Modelling | 2004

A class of implicit advanced step-point methods with a parallel feature for the solution of stiff initial value problems

George Psihoyios


Archive | 2011

NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2011: International Conference on Numerical Analysis and Applied Mathematics

Theodore E. Simos; George Psihoyios; Ch. Tsitouras; Zacharias A. Anastassi


Archive | 2009

NUMERICAL ANALYSIS AND APPLIED MATHEMATICS: International Conference on Numerical Analysis and Applied Mathematics 2009: Volume 1 and Volume 2

Theodore E. Simos; George Psihoyios; Ch. Tsitouras


Archive | 2008

International Electronic Conference on Computer Science

Theodore E. Simos; George Psihoyios


AIP Conference Proceedings | 2013

Front Matter for Volume 1558

Theodore E. Simos; George Psihoyios; Ch. Tsitouras


AIP Conference Proceedings | 2013

Back Matter for Volume 1558

Theodore E. Simos; George Psihoyios; Ch. Tsitouras

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Zacharias A. Anastassi

School of Pedagogical and Technological Education

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C. J. Mitchell

Anglia Ruskin University

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