發送短信

數:

提供者:

CAPTCHA:

  ______     ___     _    _    __   __            
 /_   _//   / _ \\  | |  | ||  \ \\/ //     ___   
   | ||    | / \ || | |/\| ||   \ ` //     /   || 
  _| ||    | \_/ || |  /\  ||    | ||     | [] || 
 /__//      \___//  |_// \_||    |_||      \__ || 
 `--`       `---`   `-`   `-`    `-`'       -|_|| 
                                             `-`

Please enter what you see:

發送短信 : Sharp conditions for weighted 1-dimensional Poincaré inequalities