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

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