1. Departamento de Matemáticas, Universidad de Extremadura, Avda de Elvas s/n, 06071, Badajoz, Espa?a 2. Dipartimento di Matematica, Université di Roma “La Sapienza” r]Piazzale Aldo Moro 2, 00185, Roma, Italia
Abstract:
We prove that the Banach-Saks and the strict Banach-Saks properties are equivalent in quasinormable Fréchet spaces. We give an example of a Fréchet space having the Banach-Saks property which cannot be written as a projective limit of Banach spaces having the weak Banach-Saks property.