Abstract
The aim of this article is to investigate the autotopism group of a semifield of order p 4, p is an odd prime, admitting a four-group of automorphisms E≅ Z 2 × Z 2 acting freely on A.
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ACKNOWLEDGMENT
The authors wish to thank H.-J. Schaeffer for his helpful discussions, and the referee for his valuable remarks.
Notes
Communicated by E. R. Puczylowski.