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arXiv 1205.1111math.GT
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环面上Lefschetz纤维化中奇异纤维最少个数的上界

Upper bounds for the minimal number of singular fibers in a Lefschetz fibration over the torus

Noriyuki Hamada

摘要:

本文给出了定向闭曲面的映射类群中以少量右Dehn扭的乘积等于单个交换子的形式存在的一些关系。因此,我们发现上界的最小数量的奇异纤维的莱夫谢茨纤维环。

英文摘要:

In this paper, we give some relations in the mapping class groups of oriented closed surfaces in the form that a product of a small number of right hand Dehn twists is equal to a single commutator. Consequently, we find upper bounds for the minimal number of singular fibers in a Lefschetz fibration over the torus.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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