2 citations · 2 across the 3 of their papers we have counts for
3 papers
math.NT2026
Arithmetic properties of arguments of algebraic numbers on the unit circle
Geraldo César Gonçalves Ferreira, Sávio Ribas
An irrational number is called Diophantine if there exist and such that holds for every $(p,q) \in \mathbb{Z…
math.DS2023★ 2 cited
Symmetric periodic orbits in symmetric billiards
Geraldo César Ferreira Gonçcalves, Sylvie Oliffson Kamphorst, Sônia Pinto-de-Carvalho
In this text we study billiards on ovals and investigate some consequences of a rotational symmetry of the boundary on the dynamics. As it simplifies some calculations, the symmetr…
math.NA2022
A slight generalization of Steffensen Method for Solving Non Linear Equations
Eder Marinho Martins, Geraldo Cesar Gonçalves Ferreira, Thais Ester Gonçalves
In this article, we present an iterative method to find simple roots of nonlinear equations, that is, to solving an equation of the form . Different from Newton's method,…