Simple and beautiful picture appreciation of mathematical handwritten newspaper
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Mathematical manuscripts are simple and beautiful materials: mathematical sayings 1) Mathematics is the queen of science, while number theory is the queen of mathematics. Gauss music can inspire or soothe feelings, painting can make people pleasing to the eye, poetry can impress people, philosophy can make people gain wisdom, science can improve material life, but mathematics can give all of the above. ? Klein
2) Mathematics is the highest achievement of human thinking. ? Misra
3) Mathematics is the brightest pearl in the crown of human wisdom. ? Courte
4) Mathematics is the symbol that God describes nature. ? Hegel
5) Mathematics is an infinite science. ? Hermanville
6) Mathematics is a theory to study abstract structures. ? Bourbaki school
7) Mathematics is the study of quantitative relations and spatial forms in real life. ? Friedrich Engels
8) Mathematics is the highest form of all knowledge. ? Plato
Mathematics is a clever art ..? Halmos
10) Mathematics is an evolutionary culture. ? Wilder
Simple and beautiful contents of the Mathematical Manuscript: The story of mathematician Xu Ruiyun 19 15 was born in Shanghai, and in February 1927, he was admitted to the famous public girls' middle school in Shanghai. Xu Ruiyun liked mathematics since he was a child, but he was more interested in mathematics when he was in middle school. So, 1932 entered the mathematics department of Zhejiang University after graduating from high school in September. At that time, the professors in the Department of Mathematics of Zhejiang University were Zhu, Qian Baoyu, Chen and Su. Besides, there are several lecturers and teaching assistants. The courses in the Department of Mathematics are mainly taught by Chen and Su. There were few students in the department of mathematics at that time. There were five students in two classes in the last session, and this time she was only a dozen.
At that time, Sue was only 30 years old and looked very young. So some students in Xu Ruiyun thought that Sue was a teaching assistant, but after listening to a class, they always admired her. I didn't expect the teaching assistant to speak so well. ? This incident caused laughter in the industry. Under the guidance of Chen and Su, Xu Ruiyun studied hard, listened carefully and took notes carefully, and his exam scores were often full marks. 1In July, 936, Xu Ruiyun graduated with honors and stayed in the Mathematics Department of Zhejiang University as a teaching assistant. 1937 in February, 26-year-old Xu Ruiyun married 28-year-old biology assistant Jiang. After three months of marriage, Mr. and Mrs. Xu Ruiyun won a scholarship from humbert to study in Germany, and both of them went abroad by boat to study for a doctorate in Germany.
Xu Ruiyun was lucky enough to be admitted by Karakai Wu Li Du, a famous German mathematician, as her doctoral supervisor in mathematics. At that time, many students wanted to ask him to be a tutor, but he didn't agree. Xu Ruiyun, an oriental lady, became the brother-son of Karakai House because of her diligent study and solid math skills. Xu Ruiyun mainly studies the theory of trigonometric series. This subject originated from the main part of Fourier analysis of heat conduction in physics, which was one of the hot spots in international research at that time, but it was still blank in China.
In order to catch up with the advanced world level in analysis and function theory in the future, Xu Ruiyun forgot to eat and sleep, studied extensively, and spent most of his time in the library. 1940 At the end of the year, Xu Ruiyun received her doctorate, becoming the first female doctor of mathematics in the history of China. Her doctoral thesis? On Fourier expansion of singular functions in Lebesgue decomposition? 194 1 published in German Mathematical Times.
After completing their studies, Mr. and Mrs. Xu Ruiyun left Germany to return to their alma mater in April 194 1. Both of them were hired as associate professors and formally boarded the platform for training talents in the war-torn rear area. Under difficult conditions, Chen and Su did not interrupt the two mathematics discussion courses of function theory and differential geometry founded by * * in Hangzhou. This is a form of scientific research in which we learn from each other and choose Yan Ying, and Xu Ruiyun also participated. 1944165438+10. In October, Joseph Needham, head of the British scientific delegation to China, visited the Department of Mathematics and the School of Science of Zhejiang University and repeatedly praised: This is Cambridge in the East! ? This encouraged Xu Ruiyun to work hard. Cao Xihua, Ye, Jin Fulin, Zhao Minyi, Yang Zongdao and other students she taught at this time later became outstanding mathematicians and mathematicians. 1946, Xu Ruiyun was promoted to full professor at the age of 3/kloc-0.
From 65438 to 0952, Xu Ruiyun was transferred to Zhejiang Normal University and was appointed as the head of the Department of Mathematics. Since then, he has devoted himself to the hard work of establishing the Department of Mathematics. Under her leadership, within a few years, the department of mathematics has begun to take shape and the teaching quality has been continuously improved. About one-third of the first batch of undergraduate graduates passed the postgraduate examination. Their department has also become a model of the national counterparts and entered the forefront of the national counterparts. Xu Ruiyun didn't forget scientific research when he was building the department of mathematics. She translated Natsume Soseki's masterpiece The Theory of Real Variable Functions. The translation was published by Higher Education Press 1955.
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