MATHEMATICS AND MENTAL CALCULUS

This paper presents some great skills of both mathematicians and nonmathematicians in mental calculus. These information are important because the personalities we spoke about were very significant for their times and th...

A STUDY OF THE TEMPERATURE ON THE TiO2 THIN FILMS SURFACE DEPOSED ON GLASS IN THE MULTIPULSE IRRADIATION REGIME

This article is based on solving the heat equation in the particular case of thin films of TiO[sub]2[/sub] on glass base. The solution of the equation allows establishing the temperature on the film surface within the co...

A CONSTRUCTION OF AN ORTHOGONAL BASIS IN SOME SOBOLEV SPACES

INVERSION THEOREM FOR GENERALIZED FRACTIONAL HALF HARTLEY TRANSFORM

This paper is concerned with the definition of generalized fractional half Hartley transform. Fractional half Hartley transform is extended to the distribution of compact support by using the kernel method. We establish...

SOME INEQUALITIES IN THE CONVEX QUADRILATERAL

In this paper we present some inequalities about the convex quadrilateral using the Jensen Inequality, the Tóth-Lenhard Inequality.