Irrational series I Laplace transform in a neighborhood of $-\infty$

Olivier Thom

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arXiv · 2603.07347

Irrational series I Laplace transform in a neighborhood of $-\infty$

Olivier Thom

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Abstract

Discrete sums of exponentials $g(w) = \sum a_{\beta} \mathrm{e}^{\beta w}$ with positive exponents may converge not normally in neighborhoods $H$ of $-\infty$ which do not contain half-planes. In order to obtain a decomposition of a holomorphic function $g$ in $H$ as a sum of exponentials we study the Laplace transform in general neighborhoods of $-\infty$. We adress questions such as continuity of Laplace and inverse Laplace transformations, continuity for the operation of taking partial sums, and resummation formulas.

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Olivier Thom. 2026-03-07. Irrational series I Laplace transform in a neighborhood of $-\infty$. https://arxiv.org/abs/2603.07347

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