Abstract
In the theory of Schur rings, it is known that every Schur ring over a cyclic p-group is Schurian. Recently, Spiga and Wang showed that every p-Schur ring over an elementary abelian p-group of rank 3 is Schurian. In this paper, we prove that every p-Schur ring over an abelian group of order p 3 is Schurian.
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ACKNOWLEDGMENTS
The author would like to thank Pablo Spiga for giving valuable comments on the first draft of this paper. He also thanks anonymous referees for their valuable comments.
Notes
Communicated by P. Tiep.