The second quandle homology of the Takasaki quandle of an odd abelian group is an exterior square of the group

The second quandle homology of the Takasaki quandle of an odd abelian group is an exterior square of the group
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奇阿贝尔群高崎四维的第二四维同调是该群的外平方

DOI:
10.1142/s0218216511008693
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发表时间:
2010
期刊:
arXiv: Geometric Topology
影响因子:
--
通讯作者:
J. Przytycki
J. Przytycki
中科院分区:
--
文献类型:
--
作者:
Maciej Niebrzydowski;J. Przytycki

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证明了:若G是奇阶阿贝尔群,则存在G的高崎quandle的第二quandle同调到G的外平方的同构.特别地,对于G=Z_k^n,k为奇数,我们得到Z_k^{n(n-1)/2}。非平凡的第二同调允许我们利用2-上圈从T(G)构造新的quandles,并构造连接不变量。
We prove that if G is an abelian group of odd order then there is an isomorphism from the second quandle homology of the Takasaki quandle of G to the exterior square of G. In particular, for G=Z_k^n, k odd, we obtain Z_k^{n(n-1)/2}. Nontrivial second homology allows us to use 2-cocycles to construct new quandles from T(G), and to construct link invariants.
关于结和 3 流形不变量的问题
DOI: --
发表时间: 2004
期刊: Invariants of knots and 3-manifolds (Kyoto 2001), Geom.Topol.Monogr. (Geom.Topol.Publ.Coventry, 2004) 4
影响因子: --
作者:
K.Mikami;T.Mizutani;T.Ohtsuki (ed.)
通讯作者: T.Ohtsuki (ed.)