A Short Proof that Some Mappings of the Unit Ball of ℓ2 Are Never Nonexpansive

  1. Ferrer, J.
  2. Llorens-Fuster, E.
Revue:
American Mathematical Monthly

ISSN: 1930-0972,  0002-9890

Année de publication: 2020

Volumen: 127

Número: 4

Pages: 354-358

Type: Note

DOI: 10.1080/00029890.2020.1704168 GOOGLE SCHOLAR
La source de données: Scopus