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

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發送短信 : On minimal representations of Chevalley groups of type Dn, En and G2