论文标题
在某些h-裂延伸方面，这些扩展是由其多项式H-身份区别的
On some H-cleft extensions which are distinguished by their polynomial H-identities
论文作者
论文摘要
令H为有限的交换环R上的TAFT代数R。当n是R中的单位时，我们表明，R上的所有H-骨扩展都可以通过其多项式H-身分确定为H-启动代数同构。
Let H be the Taft algebra over a finite commutative ring R. When N is a unit in R, we show that all H-cleft extensions over R are determined up to H-comodule algebra isomorphism by their polynomial H-identities.
