On the slice genus of links
On the slice genus of links
复制标题
关于链接的切片属
DOI：
10.2140/agt.2003.3.905
复制
发表时间：
2003
期刊：
影响因子：
--
通讯作者：
P. Gilmer
中科院分区：
文献类型：
--
作者：
V. Florens;P. Gilmer
We define Casson-Gordon σ-invariants for links and give a lower bound of the slice genus of a link in terms of these invariants. We study as an example a family of two component links of genus h and show that their slice genus is h, whereas the Murasugi-Tristram inequality does not obstruct this link from bounding an annulus in the 4-ball. AMS Classification 57M25; 57M27
