Yuan, a native of Yanzhou, Shandong Province, is a tenured professor at Shandong University. Yuan Xingpei, a native of Jinan, Shandong Province, was born in Wujin, Jiangsu Province (now Wujin District, Changzhou City). He is an expert in China classical literature, Professor Peking University. So Yuan has nothing to do with Yuan Xingpei.
Yuan Xingpei's representative works include Research on China's Poetry Art, Introduction to China Literature, Research on Tao Yuanming, etc. Yuan's representative works include The Chronicle of Confucius, A New Examination of Pu Songling's Works, and A Study of Ming and Qing Novels in the History of Literature.