發送短信 : Composition operators induced by monomial symbols and symbols with φ(D)⊂D

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