發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

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