Year: 2026
Type: article
Abstract: We study composition operators whose symbols are suitable perturbations of the identity and which act between different weighted modulation classes. We consider both modulation spaces formed by tempered distributions and those whose elements are ultradistributions defined in terms of a subadditive weight.
Authors: Héctor Ariza, Carmen Fernández, Antonio Galbis
Institutions: Universitat Politècnica de València, Universitat de València
Language: English
Subfield: Applied Mathematics
Field: Mathematics
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $3,190
Funder: Agencia Estatal de Investigación
OpenAlex ID: W7154508345
