Julia Robinson numbers and arithmetical dynamic of quadratic polynomials

Marianela Castillo Fernández, Xavier Vidaux, Carlos R. Videla

For rings ${\mathcal{O}}_K$ of totally real algebraic integers, J. Robinson defined a set which is always $\{+\infty \}$ or of the form $[\lambda ,+\infty )$ or $(\lambda ,+\infty )$ for some real nu…