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

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發送短信 : A note on sharp 1-dimensional poincaré inequalities