On three open questions proposed by Falconer

【作者】 梁金荣； 王晓天； 任福尧；

【Author】 LIANG Jinrong WANG Xiaotian and REN Fuyao(1. Institute of Mathematics, Zhejiang University, Hangzhou 310027, China; 2 Institute of Mathematics, Fudan University, Shanghai 200433, China)

【机构】 Institute of Mathematics, Zhejiang University, Hangzhou 310027, China； ,Institute of Mathematics, Fudan University, Shanghai 200433, China,Institute of Mathematics, Fudan University, Shanghai 200433, China；