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arxiv: 1103.3236 · v1 · pith:INJNHKXKnew · submitted 2011-03-16 · 🧮 math.AG

Milnor Fibrations and the Thom Property for maps f bar g

classification 🧮 math.AG
keywords everyfibrationmap-germmathbbmilnorpropertythomaround
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We prove that every map-germ ${f \bar g}: (\C^n,\0) {\to}(\C,0)$ with an isolated critical value at 0 has the Thom $a_{f \bar g}$-property. This extends Hironaka's theorem for holomorphic mappings to the case of map-germs $f \bar g$ and it implies that every such map-germ has a Milnor-L\^e fibration defined on a Milnor tube. One thus has a locally trivial fibration $\phi: \mathbb S_\e \setminus K \to \mathbb S^1$ for every sufficiently small sphere around $\0$, where $K$ is the link of $f \bar g$ and in a neighbourhood of $K$ the projection map $\phi$ is given by $f \bar g / | f \bar g|$.

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