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

  _____     _____    _    _      ___              
 /  ___||  |  ___|| | \  / ||   / _ \\      ___   
| // __    | ||__   |  \/  ||  | / \ ||    /   || 
| \\_\ ||  | ||__   | .  . ||  | \_/ ||   | [] || 
 \____//   |_____|| |_|\/|_||   \___//     \__ || 
  `---`    `-----`  `-`  `-`    `---`       -|_|| 
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