November 25, 2025Proceedings of the American Mathematical Society

Exotic definite four-manifolds with non-cyclic fundamental group

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Abstract

We construct infinitely many pairwise non-diffeomorphic irreducible smooth structures on a definite 4 4 -manifold with non-cyclic fundamental group Z / 2 × Z / 2 Z/2× Z/2 .

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Naylor et al. (2025) studied this question.

synapsesocial.com/papers/6940379e2d562116f290a36f https://doi.org/10.1090/proc/17341

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Abstract

We construct infinitely many pairwise non-diffeomorphic irreducible smooth structures on a definite 4 4 -manifold with non-cyclic fundamental group Z / 2 × Z / 2 Z/2× Z/2 .

Exotic definite four-manifolds with non-cyclic fundamental group

Abstract

Discussion

Cite This Study

Exotic definite four-manifolds with non-cyclic fundamental group

Abstract

Discussion

Cite This Study

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