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arXiv 1607.04066math.RA
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特征p的非结合微分扩张

Nonassociative differential extensions of characteristic p

Susanne Pumpluen

摘要:

设F是特征为p的域,定义并研究了F的非结合微分扩张和F上的中心单除代数的非结合微分扩张,给出了这些代数是可除代数的一个判别准则.作为特例,我们得到了Amitsur和Jacobson关于结合代数的经典结果.我们构造了一类非结合除代数,它可以看作是指数为1的纯不可分域扩张或中心除代数的结合循环扩张的推广.除代数是指数为1的纯不可分域扩张的非结合循环扩张,这类除代数特别容易得到。

英文摘要:

Let F be a field of characteristic p. We define and investigate nonassociative differential extensions of F and of a central simple division algebra over F and give a criterium for these algebras to be division. As special cases, we obtain classical results for associative algebras by Amitsur and Jacobson. We construct families of nonassociative division algebras which can be viewed as generalizations of associative cyclic extensions of a purely inseparable field extension of exponent one or a central division algebra. Division algebras which are nonassociative cyclic extensions of a purely inseparable field extension of exponent one are particularly easy to obtain.

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