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

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Text this: APS instability and the topology of the brane-world