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

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發送短信 : Fixed point properties of C*-algebras