Lattice cohomology of normal surface singularities

Lattice cohomology of normal surface singularities
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法向表面奇点的格子上同调

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发表时间:
2007
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通讯作者:
A. Némethi
A. Némethi
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作者:
A. Némethi

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对于任何负定垂直型3-流形M,我们从它的垂直图构造一个分次Z[U]-模。对于有理同调球面,这猜想等同于Ozsvath和Szabo的Heegaard-Floer同调,但它具有更多的结构。如果M是复奇点链,则归一化欧拉特征可以与解析不变量进行比较。根据这一新对象讨论了Seiberg-Witten不变猜想。
For any negative definite plumbed 3-manifold M we construct from its plumbed graph a graded Z[U]-module. This, for rational homology spheres, conjecturally equals the Heegaard-Floer homology of Ozsvath and Szabo, but it has even more structure. If M is a complex singularity link then the normalized Euler-characteristic can be compared with the analytic invariants. The Seiberg--Witten Invariant Conjecture is discussed in the light of this new object.