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An example of a closed 5-manifold of nonpositive curvature that fibers over a circle - MaRDI portal

An example of a closed 5-manifold of nonpositive curvature that fibers over a circle

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Publication:6370421

arXiv2106.08549MaRDI QIDQ6370421

Koji Fujiwara

Publication date: 16 June 2021

Abstract: We exhibit a closed aspherical 5-manifold of nonpositive curvature that fibers over a circle whose fundamental group is hyperbolic relative to abelian subgroups such that the fiber is a closed aspherical 4-manifold whose fundamental group is not hyperbolic relative to abelian subgroups.












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