Due to the complexity of the Brazilian electrical system, it is necessary to apply methods that minimize losses in all generation and transmission stages, including the predispatch of the system. The resolution of these ...

The objective of this work is displaying the coordinates of notable points of any triangle as weighted averages, characterized according to the weights assigned.

In this dissertation, we study certain aspects of symplectic diffeomorphisms in the plane near an elliptic fixed points.Our approach considers a Birkhoff formal norm to ensure the existence ofhyperbolic and elliptic periodic ...