On the connectivity of some complete intersections
classification
🧮 math.AG
math.AT
keywords
connectivitycompletecomplementconditionsdefiningdegreedegreesequations
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We show that the complement of a degree $d$ hypersurface in a projective complete intersection, whose defining equations have degrees strictly larger than $d$, has a rational connectivity higher than expected. The key new feature is that a positivity result replaces the usual transversality conditions needed to get such connectivity results.
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