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Semicontinuity of the spectrum at infinity

Andras Nemethi·Claude Sabbah
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Abstract

We prove that, for an analytic family of ``weakly tame'' regular functions on an affine manifold, the spectrum at infinity of each function of the family is semicontinuous in the sense of Varchenko.

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Andras Nemethi, Claude Sabbah. 1998-05-20. Semicontinuity of the spectrum at infinity. https://arxiv.org/abs/math/9805086

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