Notes on the knot concordance invariant Upsilon

Notes on the knot concordance invariant Upsilon
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关于结索引不变式 Upsilon 的注释

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发表时间:
2014
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影响因子:
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通讯作者:
C. Livingston
C. Livingston
中科院分区:
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文献类型:
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作者:
C. Livingston

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最近由Ozsvath, Stipsicz和Szabo定义的结调和不变量Upsilon在闭区间[0,2]上的分段线性函数群中取值。本文给出了定义Upsilon的一种方法,并证明了Upsilon与结3-属、4-属和调和属有关的基本性质。
The knot concordance invariant Upsilon, recently defined by Ozsvath, Stipsicz, and Szabo, takes values in the group of piecewise linear functions on the closed interval [0,2]. This paper presents a description of one approach to defining Upsilon and of proving its basic properties related to the knot 3-genus, 4-genus, and concordance genus.