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Dp-finite fields I(A): the infinitesimals
Annals of Pure and Applied Logic ( IF 0.8 ) Pub Date : 2021-01-28 , DOI: 10.1016/j.apal.2021.102947 Will Johnson
中文翻译:
Dp有限域I(A):无穷小
更新日期:2021-01-29
Annals of Pure and Applied Logic ( IF 0.8 ) Pub Date : 2021-01-28 , DOI: 10.1016/j.apal.2021.102947 Will Johnson
We prove that NIP valued fields of positive characteristic are henselian, and we begin to generalize the known results on dp-minimal fields to dp-finite fields. On any unstable dp-finite field K, we define a type-definable group of “infinitesimals,” corresponding to a canonical group topology on . We reduce the classification of positive characteristic dp-finite fields to the construction of non-trivial -invariant valuation rings.
中文翻译:
Dp有限域I(A):无穷小
我们证明具有正特性的NIP值字段是henselian,并且我们开始将dp最小字段的已知结果推广到dp有限字段。在任何不稳定的dp有限域K上,我们定义一个类型可定义的“无穷小”组,对应于上的规范组拓扑。我们将正特征dp有限域的分类简化为非平凡的构造-不变估值环。