摘要
本文完全解决了“三维球体的光线障碍问题”一文[陈永高,数学学报(英),1994。
In this note it is given an answer to a problem on view obstruction problems in [Chen Yonggao, The view obstruction problem for 3 dimensional spheres. Acta Math. Sinica, New Series, 1994, 10: 158 167].
出处
《数学进展》
CSCD
北大核心
1997年第2期139-142,共4页
Advances in Mathematics(China)
关键词
丢番图逼近
球
光线障碍问题
Diophantine approximation
sphere
view obstruction problem