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Fukaya-Yamaguchi Conjecture in Dimension Four
Elia Bruè, Aaron Naber, Daniele Semola
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Source: Crossref
Published: Dec 27, 2025
DOI: 10.4208/jms.v58n4.25.09
Open original source ↗Source abstract
Fukaya and Yamaguchi conjectured that if is a manifold with nonnegative sectional curvature, then the fundamental group is uniformly virtually abelian. In this short note we observe that the conjecture holds in dimensions up to four.
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