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Nonlinear Conditions for Ultradifferentiability
A remarkable theorem of Joris states that a function f is [Formula: see text] if two relatively prime powers of f are [Formula: see text] . Recently, Thilliez showed that an analogous theorem holds in Denjoy–Carleman classes of Roumieu type. We prove that a division property, equivalent to Joris’s r...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer US
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8550781/ https://www.ncbi.nlm.nih.gov/pubmed/34720560 http://dx.doi.org/10.1007/s12220-021-00718-w |