A note on composition operators on spaces of real analytic functions
Paweł Domański, Michał Goliński, Michael Langenbruch (2012)
Annales Polonici Mathematici
Similarity:
We characterize composition operators on spaces of real analytic functions which are open onto their images. We give an example of a semiproper map φ such that the associated composition operator is not open onto its image.