论文标题
确定两个二次表面是否真正相交
Deciding whether two quadratic surfaces actually intersect
论文作者
论文摘要
我们回答了Pólik和Terlaky在2007年提出的一个空旷的问题：{\ ut我们如何决定两个二次表面是否相交而不实际计算交叉点？}
We answer an open question proposed by Pólik and Terlaky in 2007 that: {\it how we can decide whether two quadratic surfaces intersect without actually computing the intersections?}
