Topological simplicity conjecture for acylindrically hyperbolic groups
Topological simplicity conjecture for acylindrically hyperbolic groups
Let be an acylindrically hyperbolic group with no non-trivial finite normal subgroups. A group topology on is topologically simple if its only closed normal subgroups are the trivial subgroup and itself. Topological simplicity conjecture. The group admits a topology with respect to which it is topologically simple. The preceding lemma shows that every acylindrically hyperbolic group admits a non-discrete Hausdorff topology, but that construction has nontrivial closed normal subgroups. The conjecture asks whether, under the stated finite-normal-subgroup hypothesis, a topology making the group topologically simple always exists.
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Primary source
A. A. Klyachko, A. Yu. Olshanskii and D. V. Osin, “On topologizable and non-topologizable groups”, arXiv:1210.7895 (2013).
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