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Sun Dan (weightlifter)
Sun Dan may refer to: * Sun Guangyuan Sun Guangyuan (, 1900–1979), also known as Sun Tang (孫鎕), was a Chinese mathematician. He studied projective geometry under Ernest Preston Lane at the University of Chicago. Later Sun became a professor in Tsinghua University, Beijing. S ... (1900–1979), Chinese mathematician * Sun Dan (gymnast) (born 1986), Chinese rhythmic gymnast * Sun Dan (swimmer) (born 1985), Chinese former swimmer {{Hndis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sun Guangyuan
Sun Guangyuan (, 1900–1979), also known as Sun Tang (孫鎕), was a Chinese mathematician. He studied projective geometry under Ernest Preston Lane at the University of Chicago. Later Sun became a professor in Tsinghua University, Beijing. Sun used Ernest Julius Wilczynski's expression of a ruled surface given via two linear homogeneous differential equations in a 1927 publication.Dan Sun (1927,8) "Osculating derivative of a ruled surface", Annals of Mathematics The ''Annals of Mathematics'' is a mathematical journal published every two months by Princeton University and the Institute for Advanced Study. History The journal was established as ''The Analyst'' in 1874 and with Joel E. Hendricks as the ... 29(1-4): 95–105 References {{DEFAULTSORT:Sun, Guangyuan 1900 births 1979 deaths 20th-century Chinese mathematicians Mathematicians from Zhejiang Geometers Academic staff of Tsinghua University Academic staff of the National Central University Academic st ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sun Dan (gymnast)
Sun Dan (, born September 4, 1986 in Liaoning) is a Chinese rhythmic gymnast Rhythmic gymnastics is a sport in which gymnasts perform on a floor with an apparatus: hoop, ball, clubs, ribbon. The sport combines elements of gymnastics, dance and calisthenics; gymnasts must be strong, flexible, agile, dexterous and coordi ... who competed in individual and group disciplines. Career Sun started as an individual gymnast and won five medals at the 2004 Asian Rhythmic Gymnastics Championships, two of them gold, and has competed at three World Rhythmic Gymnastics Championships. She switched to group and represented China at the 2008 Summer Olympics and won a silver medal in the group competition. References * 1986 births Living people Chinese rhythmic gymnasts Gymnasts at the 2008 Summer Olympics Olympic gymnasts of China Olympic silver medalists for China Gymnasts from Liaoning Olympic medalists in gymnastics Medalists at the 2008 Summer Olympics Asian Games m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |