Dp-finite fields I(B): Positive characteristic
Dp-finite fields I(B): Positive characteristic
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Dp 有限域 I(B):正特征
DOI:
10.1016/j.apal.2021.102949
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发表时间:
2021
影响因子:
0.8
通讯作者:
Johnson, Will
中科院分区:
文献类型:
--
作者:
Johnson, Will
We partially generalize the known results on dp-minimal fields to dp-finite fields. We prove a dichotomy: if K is a sufficiently saturated dp-finite expansion of a field, then either K has finite Morley rank or K has a non-trivial Aut (K/A)-invariant valuation ring for some small set A. In the positive characteristic case, we can even obtain a henselian valuation ring. Using this, we classify the positive characteristic dp-finite pure fields.
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DOI:
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期刊:
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