@article{Ryan2007EquivalentIG, title={Equivalent irreducible Goppa codes and the precise number of quintic Goppa codes of length 32}, author={J. A. Ryan and Kondwani Magamba}, journal={AFRICON 2007}, year={2007}, pages={1-4} }

- Published 2007 in AFRICON 2007

In this paper, by defining an irreducible Goppa code in terms of a single field element, we give a simple proof of the well known result, namely that if one irreducible Goppa polynomial can be transformed into another by a combination of an affine map and a Frobenius automorphism, then the corresponding codes are equivalent. We give the details of the proof… CONTINUE READING

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