Abstract.
In this paper, we study complete Riemannian n-manifolds (n ≥ 3) with asymptotically nonnegative Ricci curvature and weak bounded geometry. We show among other things that the total Betti number of such a manifold has polynomial growth of degree n 2 + n. Further more, such a manifold is of finite topological type if the volume growth rate of the metric ball around the base point is less than \(1+ \frac{1}{n}.\)
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This work is partly supported by the National Natural Science Foundation (10371047) of China.
Received: 13 June 2006
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Hu, Z., Xu, S. Complete manifolds with asymptotically nonnegative Ricci curvature and weak bounded geometry. Arch. Math. 88, 455–467 (2007). https://doi.org/10.1007/s00013-006-1151-x
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DOI: https://doi.org/10.1007/s00013-006-1151-x