Topology preserving data simplification with error bounds.

Chandrajit L. Bajaj Daniel Schikore Topology preserving data simplification with error bounds. 3-12 1998 22 Computers & Graphics 1 http://dx.doi.org/10.1016/S0097-8493(97)00079-4 db/journals/cg/cg22.html#BajajS98