You-Dong Liang (梁友栋) is a mathematician and educator, best known for his contributions in geometric modeling and the Liang-Barsky algorithm.
Liang pursued his graduate degree in Fudan University, where he worked under the supervision of Professor Su Buqing and specialized in geometric theory.
After graduating in 1960, he joined the mathematics teaching faculty at Zhejiang University, where he actively promoted the development of geometric design and graphics.
As the leader of this group, Liang supported the collaboration of scholars in geometric design and computational graphics.
In 1991, Liang supervised the completion of "Generated Computer Graphics and Geometric Modeling Research" and was awarded the Chinese National Science Third Prize.