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

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Text this: Kinematic approach to the mixed state geometric phase in nonunitary evolution