Abstract
HNN-extensions of a group with central associated subgroups are considered. Several conditions are obtained for the approximability of such HNN-extensions by a class of groups which have the root property and is closed with respect to factorization.
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Original Russian Text © D. V. Gol’tsov, 2015, published in Matematicheskie Zametki, 2015, Vol. 97, No. 5, pp. 665–669.
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Gol’tsov, D.V. Approximability of HNN-extensions with central associated subgroups by a root class of groups. Math Notes 97, 679–683 (2015). https://doi.org/10.1134/S000143461505003X
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DOI: https://doi.org/10.1134/S000143461505003X