## Tsukuba Journal of Mathematics

The Tsukuba Journal of Mathematics is a continuation of Science Reports of the Tokyo Bunrika Daigaku, Section A (1930-1953), and Science Reports of the Tokyo Kyoiku Daigaku, Section A (1954-1977). The journal publishes original contributions to pure and applied mathematics. All papers are refereed.

On the Cartier duality of certain finite group schemes of order $p^n$, IIVolume 37, Number 2 (2013)