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Growth of fundamental groups and isoembolic volume and diameter
Authors:Oguz C Durumeric
Institution:Department of Mathematics, University of Iowa, Iowa City, Iowa 52242
Abstract:

Some properties of fundamental groups of Riemannian manifolds $M$ will be studied without a lower bound assumption on Ricci curvature. The main method is to relate the local packing to global packing instead of using the Bishop-Gromov relative volume comparison. This method allows us to control the volume growth of the universal cover $\tilde{M}$ and yields bounds on the number of generators of $\pi_{1}(M)$ in terms of some isoembolic geometric invariants of $M$.

Keywords:Isoembolic  fundamental group
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