On ohtsuki’s invariants of integral homology 3-spheres
On ohtsuki’s invariants of integral homology 3-spheres
复制标题
关于积分同调3-球面的ohtsuki不变量
DOI:
10.1007/bf02650726
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发表时间:
1995
期刊:
影响因子:
--
通讯作者:
Zhenghan Wang
中科院分区:
文献类型:
--
作者:
Xiaosong Lin;Zhenghan Wang
We provide some more explicit formulae to facilitate the computation of Ohtsuki’s rational invariants λn of integral homology 3-spheres extracted from Reshetikhin-TuraevSU(2) quantum invariants. Several interesting consequences will follow from our computation of λ2. One of them says that λ2 is always an integer divisible by 3. It seems interesting to compare this result with the fact shown by Murakami that λ1 is 6 times the Casson invariant. Other consequences include some general criteria for distinguishing homology 3-spheres obtained from surgery on knots by using the Jones polynomial.