Grigori Avramidi, Thomas Delzant
Published 2023-09-28Version 1
For a group acting on a hyperbolic space, we set up an algorithm in the group algebra showing that ideals generated by few elements are free, where few is a function of the minimal displacement of the action, and derive algebraic, geometric, and topological consequences.
Division in group rings of surface groups
$z$-Classes of Isometries of The Hyperbolic Space
Pants complex, TQFT and hyperbolic geometry
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