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Formality of k-connected spaces in 4k+3 and 4k+4 dimensions | | Gil R. Cavalcanti
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2 Dec 2004 | | Subject: | Algebraic Topology; Differential Geometry MSC-class: 55S30; 55P62 | math.AT math.DG | | Abstract: | Using the concept of s-formality we are able to extend the bounds of a Theorem of Miller and show that a compact k-connected 4k+3- or 4k+4-manifold with b_{k+1}=1 is formal. We study k connected n-manifolds, n= 4k+3, 4k+4, with a hard Lefschetz-like property and prove that in this case if b_{k+1}=2, then the manifold is formal, while, in 4k+3-dimensions, if b_{k+1}=3 all Massey products vanish. We finish with examples inspired by symplectic geometry and manifolds with special holonomy. | | Source: | arXiv, math.AT/0412053 | | Services: | Forum | Review | PDF | Favorites | |
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