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arXiv 0712.3015math.KTmath.GR
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多项式有界上同调的谱序列

A Spectral sequence for polynomially bounded cohomology

Bobby W. Ramsey

摘要:

我们构建了一个类似的林登-Hochschild-Serre谱序列的上下文中的多项式上同调,群扩展。若G是Q的H扩张,则谱序列收敛于G的多项式上同调.对于Noskov多项式扩张的正规子群同调,E2项是Q的多项式上同调,其系数在H的多项式上同调中.当Q和H都是等同调时,G也必须是等同调的。参考Connes-Moscovici和Noskov的结果,如果Q和H都是等同调的,并且具有Jolissaint的快速衰减性质,则G满足Novikov猜想.

英文摘要:

We construct an analogue of the Lyndon-Hochschild-Serre spectral sequence in the context of polynomial cohomology, for group extensions. If G is an extension of Q by H, then the spectral sequence converges to the polynomial cohomology of G. For the polynomial extensions of Noskov with normal subgroup isocohomological, the E_2 term is the polynomial cohomology of Q with coefficients in the polynomial cohomology of H. When both Q and H are isocohomological G must be as well. By referencing results of Connes-Moscovici and Noskov, if Q and H are both isocohomological and have the Rapid Decay property of Jolissaint, then G satisfies the Novikov Conjecture.

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