Approximation diophantienne dans les corps de series en plusieurs variables
Abstract
Description
We give here a result of diophantine approximation between $Ø_N$, the ring of power series in several variables, and the completion of the valuation ring that dominates $Ø_N$ for the $\m$-adic topology. We deduce from this that the Artin function of a homogenous polynomial in two variables is bounded by an affine function, which can be interpreted in term of a Lojasiewicz inequality on the wedges space.
to appear in Annales de l'Institut Fourier, few changes following referee's comments
to appear in Annales de l'Institut Fourier, few changes following referee's comments