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Paper detail

Singularity exchange at the frontier of the space

In deformations of polynomial functions one may encounter ``singularity exchange at infinity'' when singular points disappear from the space and produce ``virtual'' singularities which have an influence on the topology of the limit polynomial. We find several rules of this exchange phenomenon, in which the total quantity of singularity turns out to be not conserved in general.

preprint2004arXivOpen access
Dirk SiersmaMihai Tibar
math.CVmath.AG
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Dirk SiersmaMihai Tibar

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