Abstract
ABSTRACTWe study the automorphisms of Jha-Johnson semifields obtained from a right invariant irreducible twisted polynomial f∈K[t;σ], where is a finite field and σ an automorphism of K of order n, with a particular emphasis on inner automorphisms and the automorphisms of Sandler and Hughes-Kleinfeld semifields. We include the automorphisms of some Knuth semifields (which do not arise from skew polynomial rings). Isomorphism between Jha-Johnson semifields are considered as well.
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