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math.GT2025
Triple linking and rational homology cobordism
Ryan Stees
If a rational homology 3-sphere bounds a rational homology 4-ball , then the kernel of the inclusion-induced homomorphism is a Lagra…
math.GT2025
Almost-concordance of knots in aspherical 3-manifolds
Ryan Stees
In this paper, we study topological concordance modulo local knotting, or almost-concordance, of knots in 3-manifolds . A. Levine, Celoria (arXiv:1602.05476v4), and Frie…