论文标题

sublogarithmic-transexponential系列

Sublogarithmic-transexponential series

论文作者

Padgett, Adele

论文摘要

我们适应了Van Den Dries,MacIntyre和Marker的对数指数跨系列的构建,以构建Sublogarithmic-transexponential系列的有序差分领域。我们使用这种结构来构建在组成下关闭的transexpornential hardy场。具体而言,我们证明了$+\ infty $ of $ \ nathcal {l} _ {\ mathrm {transexp}} $ - 单个变量中的术语的细菌,其中$ \ nathcal {l} $ \ MATHCAL {l} _ {\ MATHRM {an}}(\ exp,\ log)$,带有transexponential函数的新符号,其衍生物和其组成倒置。

We adapt the construction of the field of logarithmic-exponential transseries of van den Dries, Macintyre, and Marker to build an ordered differential field of sublogarithmic-transexponential series. We use this structure to build a transexponential Hardy field closed under composition. Specifically, we prove that the germs at $+\infty$ of $\mathcal{L}_{\mathrm{transexp}}$-terms in a single variable are ordered, where $\mathcal{L}_{\mathrm{transexp}}$ is a language containing $\mathcal{L}_{\mathrm{an}}(\exp,\log)$ with new symbols for a transexponential function, its derivatives, and their compositional inverses.

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