The homotopy type of the cobordism category

The homotopy type of the cobordism category
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DOI:
10.1007/s11511-009-0036-9
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发表时间:
2006-05
期刊:
影响因子:
3.7
通讯作者:
Søren Galatius;I. Madsen;U. Tillmann;M. Weiss
Søren Galatius;I. Madsen;U. Tillmann;M. Weiss
中科院分区:
数学1区
文献类型:
--
作者:
Søren Galatius;I. Madsen;U. Tillmann;M. Weiss

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本文研究的内嵌协范畴推广了G. Segal在[S2]中为形式化场论概念而引入的共形曲面范畴。我们的主要结果确定了alld的嵌入维协范畴的分类空间的同伦类型。Ford= 2时,我们的结果导致广义Mumford猜想的一个新的证明,在精神上与[MW]中提出的原始证明有所不同。
The embedded cobordism category under study in this paper generalizes the category of conformal surfaces, introduced by G. Segal in [S2] in order to formalize the concept of field theories. Our main result identifies the homotopy type of the classifying space of the embeddedd-dimensional cobordism category for alld. Ford= 2, our results lead to a new proof of the generalized Mumford conjecture, somewhat different in spirit from the original one, presented in [MW].