Thurston norm and Euler classes of tight contact structures
Thurston norm and Euler classes of tight contact structures
复制标题
紧接触结构的瑟斯顿范数和欧拉类
DOI:
10.1112/blms.12905
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发表时间:
2023
影响因子:
0.9
通讯作者:
Sivek S
中科院分区:
文献类型:
--
作者:
Sivek S
Bill Thurston proved that taut foliations of hyperbolic 3‐manifolds have Euler classes of norm at most one, and conjectured that any integral second cohomology class of norm equal to one is realized as the Euler class of some taut foliation. Recent work of the second author, joint with David Gabai, has produced counterexamples to this conjecture. Since tight contact structures exist whenever taut foliations do and their Euler classes also have norm at most one, it is natural to ask whether the Euler class one conjecture might still be true for tight contact structures. In this paper, we show that the previously constructed counterexamples for Euler classes of taut foliations in Mehdi Yazdi [Acta Math.225(2020) no. 2, 313–368] are in fact realized as Euler classes of tight contact structures. This provides some evidence for the Euler class one conjecture for tight contact structures.
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DOI:
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发表时间:
2003
期刊:
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--
作者:
K. Honda;W. Kazez;G. Matić
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David Gabai;Mehdi Yazdi
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Mehdi Yazdi
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1991
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