The $$*$$ -Exponential as a Covering Map

Pub Date : 2024-08-17 DOI:10.1007/s40315-024-00558-z
Amedeo Altavilla, Samuele Mongodi
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Abstract

We employ tools from complex analysis to construct the \(*\)-logarithm of a quaternionic slice regular function. Our approach enables us to achieve three main objectives: we compute the monodromy associated with the \(*\)-exponential; we establish sufficient conditions for the \(*\)-product of two \(*\)-exponentials to also be a \(*\)-exponential; we calculate the slice derivative of the \(*\)-exponential of a regular function.

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作为覆盖图的 $$*$$ - 指数
我们运用复分析的工具来构造四元片正则函数的(*)-对数。我们的方法使我们能够实现三个主要目标:我们计算了与\(*\)-指数相关的单色性;我们建立了两个\(*\)-指数的\(*\)-乘积也是\(*\)-指数的充分条件;我们计算了正则函数的\(*\)-指数的切片导数。
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