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On the smoothness of slowly varying functions
Published online by Cambridge University Press: 16 May 2024
Abstract
In this paper, we consider the question of smoothness of slowly varying functions satisfying the modern definition that, in the last two decades, gained prevalence in the applications concerning function spaces and interpolation. We show that every slowly varying function of this type is equivalent to a slowly varying function that has continuous classical derivatives of all orders.
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- Research Article
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- Copyright
- © The Author(s), 2024. Published by Cambridge University Press on Behalf of The Edinburgh Mathematical Society.
Footnotes
This research was supported by the Grant schemes at Charles University, reg. No. CZ.02.2.69/0.0/0.0/19_073/0016935, the grants no. P201/21-01976S and P202/23-04720S of the Czech Science Foundation and Charles University Research program No. UNCE/SCI/023.