Text this: Repeated-root constacyclic codes of prime power length over [Formula presented] and their duals

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