Hong Chang

collaborators

2 papers

math.GT2026

Minimal Filling $K$ -Systems of Curves

Hong Chang, Xiao Chen, Wujie Shen

In this paper, we determine the exact minimal number of curves in a filling $k$ -system on an oriented surface of genus $g$ for any positive integers $k$ and $g$ .

math.GT2026

Twisted torus links that are unlinks

Hong Chang, Thiago de Paiva, Qing Lan

A twisted torus link $T (p, q, r, s)$ is obtained by performing $s$ full twists on $r$ adjacent strands of the $(p, q)$ -torus link. In this paper, we classify twisted torus links that a…

Minimal Filling K-Systems of Curves

Twisted torus links that are unlinks

Minimal Filling $K$ -Systems of Curves