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Nikolaos D. Bagis

Publications and source records attributed to Nikolaos D. Bagis.

6 recordsLinked to original sources

q-Series Related with Higher Forms

We examine $q-$series related to higher forms. These forms are cubics, quartics, etc. In some points, in the article we add parts from previous works, in such a way, the article be more complete and readable.

math.GM↗

Formulas for 2-D Beltrami Operators

In this article we consider 2-dimensional surfaces. We define some new operators which enable us to evaluate quantities of the surface, such invariants, in a more systematic way.

math.GM↗

Jensen's Inequalities in Two and Three Dimensions

We prove certain type symmetric inequalities in $\textbf{R}^{2}$ and $\textbf{R}^3$, that ocur in many problems of analysis. These inequalities are generalizations of the Jensen's inequality from one variable to two and three variables

math.GM↗

Evaluations of Series of Hyperbolic Functions

In this article we give evaluations of certain series of hyperbolic functions, using Jacobi elliptic functions theory. We also define some new functions that enable us to give characterization of not solvable class of series.

math.GM↗