Is Liu Gongquan a disciple of Yan Zhenqing?

1. Liu Gongquan did not formally worship Yan Zhenqing as a teacher. From this point of view, Liu is not a disciple of Yan. 2. In the process of learning calligraphy, Liu Gongquan was greatly influenced by Yan and absorbed the advantages of Yan Zhenqing's calligraphy, thus creating his own "Liu Ti", which is famous for its strength and strength. From this point of view, it can be said that he is a disciple of Yan.