= Study on Lotman's aesthetic thoughts Study on Lotman's aesthetic thoughts a study of Heller's aesthetic thought study on Schiller's aesthetic thoughts A study on Song Tao's economic thoughts the study on Jacques Ranciere's aesthetics thoughts A study on Liu Guoguang's economic thoughts A study on Shen Deqian's poetic thoughts A Study on Taoist Scientific Thoughts A study on Yan Zhitui's thoughts