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math.AG2003
Covering relations between ball-quotient orbifolds
A. Muhammed Uludag
Some ball-quotient orbifolds are related by covering maps. We exploit these coverings to find infinite towers of orbifolds uniformized by the complex 2-ball and some orbifolds over…
math.AG2002
Fundamental groups of some quadric-line arrangements
Meirav Amram, Mina Teicher, Muhammed Uludag
In this paper we obtain presentations of fundamental groups of the complements of three quadric-line arrangements in P^2. The first arrangement is a smooth quadric Q with n tangent…