Nobuo Iida

activity

20192026

most citedAn adjunction inequality for the Bauer-Furuta type invariants, with applications to sliceness and 4-manifold topology

4 citations · 8 across the 12 of their papers we have counts for

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math.SG2026

On Auroux's Luttinger-surgery uniqueness question

Nobuo Iida

We construct simply connected integral symplectic four-manifolds forming an exotic pair, with equal values of $c_{1}^{2}$ , $c_{2}$ , $c_{1} \cdot [ω]$ , and $[ω]^{2}$ , but with symplec…

math.SG2026

Stein structures not determined by the contact boundary

Nobuo Iida

We construct two Stein structures on the same compact smooth four-manifold whose boundary contact forms are strictly identified and whose first Chern classes agree, but whose exact…