The non-quasiconvex subgroup conjecture for Cannon–Thurston maps
The non-quasiconvex subgroup conjecture for Cannon–Thurston maps
Let be a hyperbolic subgroup of a hyperbolic group . Suppose the Cannon–Thurston map
exists, and suppose that is not quasiconvex in . Non-quasiconvex subgroup conjecture. There is a continuum of nonconical limit points of in whose preimages under are not singletons. This conjecture is motivated by the fact that conical limit points have singleton preimages under the Cannon–Thurston map; it predicts that failure of quasiconvexity produces continuum many nonconical limit points with nonsingleton fibers.
Sources & referencesView supporting material
Primary source
Michael Kapovich and Pranab Sardar, “Trees of hyperbolic spaces”, arXiv:2202.09526 (2022).
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