An existential ∅-definition of Fq[[t]]Fq[[t]] IN Fq(t)
<p style="text-align:justify;">We show that the valuation ring Fq [[t]] in the local field Fq ((t)) is existentially definable in the language of rings with no parameters. The method is to use the definition of the henselian topology following the work of Prestel-Ziegler to give an...
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| 格式: | Journal article |
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Cambridge University Press
2014
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