Abstract
For p prime, we give an explicit formula for Igusa’s local zeta function associated to a polynomial mapping \({{\bf f} = (f_1, \ldots, f_t) : {\bf Q}_p^{n} \to {\bf Q}_p^{t}}\) , with \({f_1, \ldots, f_t \in {\bf Z}_p[x_1, \ldots, x_n]}\) , and an integration measure on \({{\bf Z}_p^{n}}\) of the form \({|g(x)||dx|}\) , with g another polynomial in Z p [x 1, . . ., x n ]. We treat the special cases of a single polynomial and a monomial ideal separately. The formula is in terms of Newton polyhedra and will be valid for f and g sufficiently non-degenerated over F p with respect to their Newton polyhedra. The formula is based on, and is a generalization of results in Denef and Hoornaert (J Number Theory 89(1):31–64, 2001), Howald et al. (Proc Am Math Soc 135(11):3425–3433, 2007) and Veys and Zúñiga-Galindo (Trans Am Math Soc 360(4):2205–2227, 2008).
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Bories, B. Igusa’s p-adic local zeta function associated to a polynomial mapping and a polynomial integration measure. manuscripta math. 138, 395–417 (2012). https://doi.org/10.1007/s00229-011-0497-y
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DOI: https://doi.org/10.1007/s00229-011-0497-y