Equivariant topology of configuration spaces

Equivariant topology of configuration spaces
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配置空间的等变拓扑

DOI:
10.1112/jtopol/jtv002
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发表时间:
2012
影响因子:
1.1
通讯作者:
G. Ziegler
G. Ziegler
中科院分区:
数学1区
文献类型:
--
作者:
Pavle V. M. Blagojević;W. Lück;G. Ziegler

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本文研究了位形空间F(Rd,n)关于对称群Sn的各种子群的Fadell-Husseini指标.对于p素数和k ≠ 1,我们计算了指数Z/p(F(Rd,p);Fp)并部分描述了指数(Z/p)k(F(Rd,pk);Fp).在这个过程中,我们得到了一些有意义的结果,包括:(1)一个推广的等变Goresky-MacPherson公式,(2)分块格Zp作为Fp[Zp]-模的顶同调的完整描述,(3)初等交换群的一个推广的Dold定理。
We study the Fadell–Husseini index of the configuration space F(Rd,n) with respect to various subgroups of the symmetric group Sn . For p prime and k⩾1 , we compute IndexZ/p(F(Rd,p);Fp) and partially describe Index(Z/p)k(F(Rd,pk);Fp) . In this process, we obtain results of independent interest, including: (1) an extended equivariant Goresky–MacPherson formula, (2) a complete description of the top homology of the partition lattice Πp as an Fp[Zp] ‐module, and (3) a generalized Dold theorem for elementary abelian groups.