2 papers
math.GT2026
On L-space surgeries on two-bridge links
Diego Santoro, Hugo Zhou
We classify the sets of -space surgeries on all two-bridge links, providing the first examples of hyperbolic links for which such sets cannot be described as unions of finitely…
math.GT2025
Surgeries on knots and tight contact structures
Zhenkun Li, Shunyu Wan, Hugo Zhou
For any knot in and any positive rational , we show that smooth -surgery on always admits a tight contact structure. More specifically, the tightness is dete…