Polynomials in Fp[x] Which Commute Under Composition
Let F be a finite field and let f be a linear polynomial in F[x]. We investigate the number of polynomials of degree d which commute with f under composition. In so doing, we rediscover a result of Park, but with a conceptually simpler proof.
Copyright (c) 2023 Jeffrey Hatley, Mayah Teplitskiy
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.