發送短信 : Decay of geometry for unimodal maps: The C2 case

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