2 papers
math.GT2026
Special alternating links of minimal unlinking number
Duncan McCoy, JungHwan Park
For any link in the 3-sphere, there is a natural lower bound for the unlinking number in terms of the classical signature. We prove that if this lower bound is sharp for a special…
math.GT2024
A survey on embeddings of 3-manifolds in definite 4-manifolds
Paolo Aceto, Duncan McCoy, JungHwan Park
This article presents a survey on the topic of embedding 3-manifolds in definite 4-manifolds, emphasizing the latest progress in the field. We will focus on the significant role pl…