Deformations of polynomials and their zeta-functions |
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Authors: | S M Gusein-Zade D Siersma |
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Institution: | (1) Faculty of Mechanics and Mathematics, Moscow State University, Moscow, 119992, Russia;(2) Mathematisch Instituut, Universiteit Utrechts, P.O.Box 80.010, 3508 TA Utrecht, The Netherlands |
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Abstract: | For an analytic in σ ∈ (ℂ 0) family P
σ
of polynomials in n variables a monodromy transformation h of the zero level set V
σ
={P
σ
=0} for sufficiently small σ ≠ 0 is defined. The zeta-function of this monodromy transformation is written as an integral with respect to the Euler characteristic
of the corresponding local data. This leads to a study of deformations of holomorphic germs and their zeta-functions. We give
some examples of computations with the use of this technique.
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Translated from Sovremennaya Matematika i Ee Prilozheniya (Contemporary Mathematics and Its Applications), Vol. 33, Suzdal
Conference-2004, Part 1, 2005. |
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Keywords: | |
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