A Conjugation-Free Geometric Presentation of Fundamental Groups of Arrangements II: Expansion and Some Properties.

Meital Eliyahu David Garber Mina Teicher A Conjugation-Free Geometric Presentation of Fundamental Groups of Arrangements II: Expansion and Some Properties. 775-792 2011 21 IJAC 5 http://dx.doi.org/10.1142/S0218196711006479 db/journals/ijac/ijac21.html#EliyahuGT11