Qilong Guo

collaborators

3 papers

math.GT2026

Cofinal towers with vanishing homology torsion

Qilong Guo

Problem 3.6 in the $K3$ problem list of Baykur, Kirby and Ruberman asks whether every cofinal tower \[ M_0\longleftarrow M_1\longleftarrow M_2\longleftarrow\cdots \] of fi…

math.GT2026

Unbounded Gaps Between Ordinary and Equivariant Dehn Surgery Numbers

Qilong Guo, Chunxing Yan

For a closed oriented $3$ -manifold $Y$ and an orientation-preserving involution $τ$ , let $\DS(Y)$ denote the minimum number of components in an integral surgery description of $Y$ ,…

math.GT2018

Width of the Whitehead double of a nontrivial knot

Zhenkun Li, Qilong Guo

In this paper, we prove that $w (K) = 4 w (J)$ , where $w (.)$ is the width of a knot and $K$ is the Whitehead double of a nontrivial knot $J$ .