具有有限群概型作用的场的模型论
Model theory of fields with finite group scheme actions
摘要:
研究了作用于固定有限群的场的模型论。我们证明了存在和简单的模型伴侣的理论,这样的行动,推广了我们以前的结果截断迭代Hasse-Schmidt导子和伽罗瓦行动。作为我们方法的一个应用,我们得到了有限群在有限不完全度域上作用的一个新的模型完备理论。
英文摘要:
We study model theory of fields with actions of a fixed finite group scheme. We prove the existence and simplicity of a model companion of the theory of such actions, which generalizes our previous results about truncated iterative Hasse-Schmidt derivations and about Galois actions. As an application of our methods, we obtain a new model complete theory of actions of a finite group on fields of finite imperfection degree.
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