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arxiv: 2106.04457 · v1 · pith:NT4GGGQ7new · submitted 2021-06-08 · 🧮 math.AG · math.AC

On Lyubeznik type invariants

classification 🧮 math.AG math.AC
keywords affinethemattachattachedcohomologydimensiondiscussembedded
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We discuss for an affine variety $Y$ embedded in affine space $X$ two sets of integers attached to $Y\subseteq X$ via local and de Rham cohomology spectral sequences. We give topological interpretations, study them in small dimension, and investigate to what extent one can attach them to projective varieties.

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