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math.GT2023
On slice pretzel links
Sophia Fanelle, Evan Huang, Ben Huenemann +3
A link is called slice if it bounds a smooth properly embedded surface in the 4-ball with no closed components and Euler characteristic 1. If a link has a single component, the…
math.GT2023
On chain link surgeries bounding rational homology balls and -slice 3-braid closures
Vitalijs Brejevs, Jonathan Simone
We determine which integral surgeries on a large class of circular chain links bound rational homology balls. Our key tool is the lattice-theoretic cubiquity obstruction recently d…