Existentially closed exponential fields

Existentially closed exponential fields
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存在闭指数域

DOI:
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发表时间:
2018
影响因子:
1
通讯作者:
Jonathan Kirby
Jonathan Kirby
中科院分区:
数学2区
文献类型:
--
作者:
Levon Haykazyan;Jonathan Kirby

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本文讨论了指数场理论的存在闭模型。它们不构成一个基本类,但可以用实证逻辑来研究。我们找到了合并基,并在其上进行了类型划分。我们定义了一个独立的概念,并表明,独立的系统,更高的维度也可以合并。我们将分类理论中的一些概念推广到正逻辑中,并将存在闭指数域的范畴在稳定性层次中定位为NSOP 1而不是TP 2。
We characterise the existentially closed models of the theory of exponential fields. They do not form an elementary class, but can be studied using positive logic. We find the amalgamation bases and characterise the types over them. We define a notion of independence and show that independent systems of higher dimension can also be amalgamated. We extend some notions from classification theory to positive logic and position the category of existentially closed exponential fields in the stability hierarchy as NSOP1 but TP2.
伪指数映射、变体和拟极小性
DOI: 10.2140/ant.2018.12.493
发表时间: 2018
影响因子: 1.3
作者:
Bays M
通讯作者: Bays M