FenchelNielsenZomorrodian.Discrete.Torsion

2 sections | 2 files | 6 declarations

This module develops Fenchel--Nielsen--Zomorrodian presentation reductions, period relations, reindexings, and quotient maps.

CompactFiniteOrder

1 files | 2 declarations | 2 Theorem
Every nontrivial finite-order element is conjugate to a power of an elliptic generator.

FuchsianFiniteSubgroupFrontier

1 files | 4 declarations | 2 Theorem | 1 Definition | 1 Axiom
A subgroup is contained in a conjugate of one elliptic stabilizer, up to powers.