Abstract
We prove that, with rare exceptions, groups that are free products with amalgamation or HNN-extensions are of uniformly exponential growth.
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Translated fromMatematicheskie Zametki, Vol. 67, No. 6, pp. 811–815, June, 2000.
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de la Harpe, P., Bucher, M. Free products with amalgamation and HNN-extensions of uniformly exponential growth. Math Notes 67, 686–689 (2000). https://doi.org/10.1007/BF02675621
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DOI: https://doi.org/10.1007/BF02675621