Many Examples of Non-cocompact Fuchsian Groups Sitting in PSL(2,Q)
Norfleet, Mark
Original · EN
We construct infinitely many noncommensurable non-cocompact Fuchsian groups Δ of finite covolume sitting in PSL(2,Q) so that the set of hyperbolic fixed points of Δ will contain a given finite collection of elements in the boundary of the hyperbolic plane.
English translation
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