Non-Uniform Recursive Doo-Sabin Surfaces Zhangjin Huang'Guoping Wang University of Science and Technology of China Peking University,China SIAM Conference on Geometric and Physical Modeling ZHuang G Warg Nen-U ho.Non-Uniform Recursive Doo-Sabin Surfaces Zhangjin Huang1 Guoping Wang2 1University of Science and Technology of China 2Peking University, China SIAM Conference on Geometric and Physical Modeling Z Huang, G Wang Non-Uniform Recursive Doo-Sabin Surfaces (NURDSes)