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Preprint Number 1898
1898. A.Yu. Olshanskii, M.V. Sapir Algorithmic problems in groups with quadratic Dehn function E-mail: Submission date: 18 December 2020 Abstract: We construct and study finitely presented groups with quadratic Dehn function (QD-groups) and present the following applications of the method developed in our recent papers. (1) The isomorphism problem is undecidable in the class of QD-groups. (2) For every recursive function f, there is a QD-group G containing a finitely presented subgroup H whose Dehn function grows faster than f. (3) There exists a group with undecidable conjugacy problem but decidable power conjugacy problem; this group is QD. Mathematics Subject Classification: 20F05, 20F06, 20F65, 03D10 Keywords and phrases: |
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