A generalization of the resultant inversion formulae of McKay and Wang for polynomial automorphisms to higher dimensions is given. Furthermore an algorithm, using Grobner bases, is described to reconstruct polynomial automorphisms from their face polynomials.
机构:
Tokyo Metropolitan Univ, Dept Math & Informat Sci, Hachioji, Tokyo 192097, JapanTokyo Metropolitan Univ, Dept Math & Informat Sci, Hachioji, Tokyo 192097, Japan