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

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Text this: On constacyclic codes of length 4p<sup>s</sup> over F<inf>p<sup>m</sup></inf>+uF<inf>p<sup>m</sup></inf>