We prove that any closed simply-connected smooth 4-manifold is 16-fold branched covered by a product of an orientable surface with the 2-torus, where the construction is natural with respect to spin structures. In particular this solves the Problem 4.113(C) in Kirby's list. We also discuss analogous results for other families of 4-manifolds with infinite fundamental groups.
Branched covering simply-connected 4-manifolds / Auckly, D., İnanç Baykur, R., Casals, R., Kolay, S., Lidman, T., Zuddas, D.. - STAMPA. - 5:(2022), pp. 31-42. [10.2140/obs.2022.5.31]
Branched covering simply-connected 4-manifolds
Daniele Zuddas
2022-01-01
Abstract
We prove that any closed simply-connected smooth 4-manifold is 16-fold branched covered by a product of an orientable surface with the 2-torus, where the construction is natural with respect to spin structures. In particular this solves the Problem 4.113(C) in Kirby's list. We also discuss analogous results for other families of 4-manifolds with infinite fundamental groups.File in questo prodotto:
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