Nonorientable surfaces in homology cobordisms

Nonorientable surfaces in homology cobordisms
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同调配边中的不可定向曲面

DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
Sašo Strle
Sašo Strle
中科院分区:
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文献类型:
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作者:
I. Gessel;A. Levine;Daniel Ruberman;Sašo Strle

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我们研究了具有MI同调的4-流形中不可定向曲面的嵌入约束,其中M是有理同调3-球面。约束的形式是涉及曲面的亏格和正规Euler类以及M的Ozsvath-Szabo d-不变量或Atiyah-Singer-不变量的不等式形式。一个结果是光滑嵌入曲面的极小亏格与曲面在L.2k;Q/中的极小亏格相同。我们还考虑了不可定向曲面在闭4-流形中的嵌入。
We investigate constraints on embeddings of a nonorientable surface in a 4–manifold with the homology of M I , where M is a rational homology 3–sphere. The constraints take the form of inequalities involving the genus and normal Euler class of the surface, and either the Ozsvath–Szabo d –invariants or Atiyah–Singer – invariants of M . One consequence is that the minimal genus of a smoothly embedded surface in L.2k; q/ I is the same as the minimal genus of a surface in L.2k; q/ . We also consider embeddings of nonorientable surfaces in closed 4–manifolds.
平滑一致性二阶的拓扑切片结
DOI: 10.4310/jdg/1456754013
发表时间: 2016
影响因子: 2.5
作者:
Hedden, Matthew;Kim, Se-Goo;Livingston, Charles
通讯作者: Livingston, Charles