L07-Poincare-4print(5).pdf

L07-Poincare-4print(5).pdf - SenatorPastore RobertWilson...

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Kevin Lai CUHK, Spring 2018 Senator Pastore: Is there anything connected with the hopes of this accelerator that in any way involves the security of the country? Robert Wilson: No sir, I don’t believe so. Pastore: Nothing at all? Wilson: Nothing at all. Pastore: It has no value in that respect? Wilson: It has only to do with the respect with which we regard one another , the dignity of men , our love of culture . It has to do with are we good painters, good sculptors, great poets? I mean all the things we really venerate in our country and are patriotic about. It has nothing to do directly with defending our country except to make it worth defending. UGFN1000W/F Text 7: Poincaré What is science? Reductionism, simplicity and beauty UGFN1000W/F Text 7: Poincaré UGFN1000W/F Text 7: Poincaré
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Henri Poincaré, The Value of Science: Essential Writings of Henri Poincaré , New York: Modern Library, 2001. Science and Method : Chapter 1 The Selection of Facts Chapter 3 Mathematical Discovery UGFN1000W/F Text 7: Poincaré UGFN1000W/F Text 7: Poincaré Henri Poincaré (29 April 1854 – 17 July 1912) French mathematician and theoretical physicist Often described as a polymath, who made many fundamental contributions to mathematics and theoretical physics like the three body problem (which led to the discovery of chaotic systems ), topology (and formulated the Poincaré conjecture 龐加萊猜想 ), and special relativity . Henri Poincaré (1854 –1912) UGFN1000W/F Text 7: Poincaré born in 1854, in Nancy, the capital of the duchy of Lorraine, which in 1766 had become part of France. His father was a professor of medicine at the University of Nancy. In 1859, Poincaré, who was then five years old, became ill with diphtheria 白喉 , the illness lasted nine months. UGFN1000W/F Text 7: Poincaré The house where Henri Poincaré was born
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Graduated from École Polytechnique 巴黎綜合理工學院 in 1875, where he studied mathematics as a student of Charles Hermite. Received the degree of ordinary mining engineer in 1879 from the École des Mines 國立巴黎高等礦業學 , where he continued the study of mathematics in addition to the mining engineering syllabus. UGFN1000W/F Text 7: Poincaré Poincaré in the uniform of the École Polytechnique Taught as junior lecturer in mathematics at the University of Caen 卡昂大學 in 1879. His interest in differential equations led him to develop mathematics closely related to both algebra and complex analysis, and kept contacts with Felix Klein and Lazarus Fuchs (c.f. Fuchsian functions, par. 18).
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