Comments On a Discreteness Condition for Subgroups of SL(2, C)
Comments On a Discreteness Condition for Subgroups of SL(2, C)
SL(2, C) is the group of all complex unimodular 2 × 2 matrices. A subgroup of SL (2, C ) is said to be discrete if it does not contain any convergent sequence of distinct elements. A subgroup is said to be elementary if the commutator of any two elements …