Embedding obstructions and 4-dimensional thickenings of 2-complexes

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dc.creatorKrushkal, Vyacheslav S.
dc.date2000-04-10
dc.date.accessioned2026-07-07T04:34:41Z
dc.date.available2026-07-07T04:34:41Z
dc.descriptionThe vanishing of Van Kampen's obstruction is known to be necessary and sufficient for embeddability of a simplicial n-complex into $R^{2n}$ for $n\neq 2$, and it was recently shown to be incomplete for $n=2$. We use algebraic-topological invariants of four-manifolds with boundary to introduce a sequence of higher embedding obstructions for a class of 2-complexes in $R^4$.
dc.description10 pages; To appear in Proc. Amer. Math. Soc
dc.identifierhttps://arxiv.org/abs/math/0004058
dc.identifierhttp://arxiv.org/abs/math/0004058
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/58999
dc.subjectGeometric Topology
dc.subjectAlgebraic Topology
dc.subject57M20
dc.titleEmbedding obstructions and 4-dimensional thickenings of 2-complexes
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