期刊论文详细信息
Journal of Mathematical Sciences | |
On Charts with Two Crossings I: There Exist No NS-Tangles in a Minimal Chart | |
Nagase, Teruo1  Shima, Akiko1  | |
关键词: Cartan decomposition; visible action; symmetric space; herringbone stitch; spherical variety.; | |
DOI : | |
学科分类:数学(综合) | |
来源: University of Tokyo * Department of Mathematical Sciences | |
【 摘 要 】
Inthispaper,weestablishmethodstocountthenumberofcrossingsandterminaledgesofcharts.Thesemethodsareusefultoshowthatachart$Gamma$withatmosttwocrossingsisaribbonchartprovidedthattheclosureofthesurfacebraidrepresentedby$Gamma$isadisjointunionofspheres.
【 授权许可】
Unknown
【 预 览 】
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