The rational homotopy type of (n−1) ‐connected manifolds of dimension up to 5n−3
The rational homotopy type of (n−1) ‐connected manifolds of dimension up to 5n−3
复制标题
维数高达 5n−3 的 (n−1) 个连通流形的有理同伦型
DOI:
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发表时间:
2015
影响因子:
1.1
通讯作者:
Johannes Nordström
中科院分区:
文献类型:
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作者:
D. Crowley;Johannes Nordström
We define the Bianchi–Massey tensor of a topological space X to be a linear map B→H∗(X) , where B is a subquotient of H∗(X)⊗4 determined by the algebra H∗(X) . We then prove that if M is a closed (n−1) ‐connected manifold of dimension at most 5n−3 (and n⩾2 ) then its rational homotopy type is determined by its cohomology algebra and Bianchi–Massey tensor, and that M is formal if and only if the Bianchi–Massey tensor vanishes.