A lower bound of crosscap numbers of alternating knots
A lower bound of crosscap numbers of alternating knots
复制标题
交替结横帽数的下界
DOI:
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发表时间:
2020
期刊:
影响因子:
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通讯作者:
Yusuke Takimura
中科院分区:
文献类型:
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作者:
N. Ito;Yusuke Takimura
We give a lower bound of the crosscap number of alternating knots using band surgery. This lower bound is equal to the minimum number of the first Betti number, i.e. one minus the maximal Euler cha...