Is It Possible to Know a Problem Instance Is Ill-Posed?: Some Foundations for a General Theory of Condition Numbers.

James Renegar Is It Possible to Know a Problem Instance Is Ill-Posed?: Some Foundations for a General Theory of Condition Numbers. 1-56 1994 10 J. Complexity 1 http://dx.doi.org/10.1006/jcom.1994.1001 db/journals/jc/jc10.html#Renegar94