Approximate minimum enclosing balls in high dimensions using core-sets.

Piyush Kumar Joseph S. B. Mitchell E. Alper Yildirim Approximate minimum enclosing balls in high dimensions using core-sets. 2003 8 ACM Journal of Experimental Algorithmics http://doi.acm.org/10.1145/996546.996548 db/journals/jea/jea8.html#KumarMY03