Gauss-Manin systems, Brieskorn lattices and Frobenius structures (II)

Abstract

We give an explicit description of the canonical Frobenius structure attached (by the results of the first part of this article) to the polynomial f(u_0,...,u_n)=w_0u_0+...+w_nu_n restricted to the torus u_0^{w_0}...u_n^{w_n}=1, for any family of positive integers w_0,...,w_n such that gcd(w_0,...,w_n)=1.

22 pages, 3 figures, LaTeX + smf classes available at http://smf.emath.fr/Publications/Formats/index.html Typos corrected

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