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  _  _     ______   __   _     _____    ______   
 | \| ||  /_   _// | || | ||  |  ___|| |      \\ 
 |  ' ||   -| ||-  | '--' ||  | ||__   |  --  // 
 | .  ||   _| ||_  | .--. ||  | ||__   |  --  \\ 
 |_|\_||  /_____// |_|| |_||  |_____|| |______// 
 `-` -`   `-----`  `-`  `-`   `-----`  `------`

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發送短信 : Algebraic groups and lie groups with few factors