On the fundamental group of the complement of two tangent conics and an arbitrary number of tangent lines

Amram, Meirav; Garber, David; Teicher, Mina

On the fundamental group of the complement of two tangent conics and an arbitrary number of tangent lines

Authors

Amram, Meirav

Garber, David

Teicher, Mina

Description

We compute the fundamental groups of the complements of the family of real conic-line arrangements with up to two conics which are tangent to each other at two points, with an arbitrary number of tangent lines to both conics. All the resulting groups turn out to be big.
47 pages, 18 figures; Entirely revised version. A critical problem was corrected; submitted