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

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