In the literature it is quite common to find problems that need efficient mechanisms in accomplishing the task of combining entries of the same nature of the inputs values. The aggregation functions, such as the Ordered ...

This dissertation presents an introduction to convex functions of one real variable. After studying the concept of convex set, the notion of convex function is considered. Several theoretical results related to characterizations ...

in this work we present the most common characterizations of exponential and lgarithmic functions, with more than are usually presented

Definições e principais características de funções polinomiais