Abstract
We classify the biquotient manifolds which are either rational homology spheres or Cheeger manifolds (connected sums of two rank-one symmetric spaces). Also: there are only finitely many 2-connected biquotient manifolds in each dimension.
Citation
Burt Totaro. "Cheeger Manifolds and the Classification of Biquotients." J. Differential Geom. 61 (3) 397 - 451, July, 2002. https://doi.org/10.4310/jdg/1090351529
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