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首页> 外文期刊>Mathematical logic quarterly: MLQ >Comparison of exponential-logarithmic and logarithmic-exponential series
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Comparison of exponential-logarithmic and logarithmic-exponential series

机译:指数对数和对数指数级数的比较

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摘要

We explain how the field of logarithmic-exponential series constructed in 20 and 21 embeds as an exponential field in any field of exponential-logarithmic series constructed in 9, 6, and 13. On the other hand, we explain why no field of exponential-logarithmic series embeds in the field of logarithmic-exponential series. This clarifies why the two constructions are intrinsically different, in the sense that they produce non-isomorphic models of Th(R{double-struck} _(an, exp) the elementary theory of the ordered field of real numbers, with the exponential function and restricted analytic functions.
机译:我们将说明在20和21中构造的对数-指数级数字段如何在任何在9、6和13中构造的指数-对数级数字段中作为指数场嵌入。另一方面,我们将解释为什么没有指数对数级数的字段对数级数嵌入对数-指数级数领域。从两个函数产生实函数有序域的基本理论Th(R {double-struck} _(an,exp)的非同构模型以及指数函数的意义上说,这澄清了两个结构为何本质上不同的原因和受限的分析功能。

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