Gheehyun Nahm

I am a third year graduate student at Princeton University.

I am interested in low-dimensional topology. My advisor is Peter Ozsváth.

Here is my CV (last update: Mar 2026)

Personal

Preprints

• Brunnian links of 3-balls in the 4-sphere (with Seungwon Kim and Alison Tatsuoka) [arXiv]
• The Rasmussen s-invariant and exotic 4-manifolds [arXiv]
• Rational surgery exact triangles in Heegaard Floer homology [arXiv]
• Khovanov homology can distinguish exotic Mazur manifolds [arXiv]
• Spectral sequences in unoriented link Floer homology [arXiv, talk, notes]
• An unoriented skein exact triangle in unoriented link Floer homology [arXiv]

Seminars

Top Secret

Spring 2026 Topology Reading Group