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The Euler characteristic of projectively flat manifolds with amenable fundamental groups

Authors: Hyuk Kim and Hyunkoo Lee
Journal: Proc. Amer. Math. Soc. 118 (1993), 311-315
MSC: Primary 57R20
MathSciNet review: 1151814
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Abstract: The Euler characteristic of a closed projectively flat manifold with amenable fundamental group is shown to be nonnegative, and in fact zero if we further assume that the developing map is injective and the fundamental group is infinite.

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Keywords: Euler characteristic, projectively flat manifold, polyhedral Gauss-Bonnet formula
Article copyright: © Copyright 1993 American Mathematical Society

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