Archive
Papers
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I. Choi, A solution to Haagerup’s problem and positive Hahn-Banach separation theorems in operator algebras, preprint.
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I. Choi, Curved folding and planar cutting of simple closed curve on a conical origami, Kodai Math. J., 39(3):579-595, 2016.
Talks
2024
- 9/17 - 9/20, Unbounded bivariant K-theory, Functional Analysis Conference (Junior), Sapporo