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Analytic continuations of log \log - exp \exp...
Journal article

Analytic continuations of log \log - exp \exp -analytic germs

Abstract

We describe maximal, in a sense made precise, L \mathbb {L} -analytic continuations of germs at + +\infty of unary functions definable in the o-minimal structure R an,exp \mathbb {R}_\textrm {an,exp} on the Riemann surface L \mathbb {L} of the logarithm. As one application, we give an upper bound on the logarithmic-exponential complexity of the compositional inverse of an infinitely increasing such germ, in terms of its own logarithmic-exponential complexity and its level. As a second application, we strengthen Wilkie’s theorem on definable complex analytic continuations of germs belonging to the residue field R poly \mathcal {R}_{\text {poly}} of the valuation ring of all polynomially bounded definable germs.

Authors

Kaiser T; Speissegger P

Journal

Transactions of the American Mathematical Society, Vol. 371, No. 7, pp. 5203–5246

Publisher

American Mathematical Society (AMS)

Publication Date

April 1, 2019

DOI

10.1090/tran/7748

ISSN

0002-9947

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