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: Jan 2026)

Personal

Research

• 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

Expository Notes

• [link] A proof of Theorem 5.5 of Khovanov homology and exotic 4-manifolds by Ren and Willis (additional notes for a reading seminar)