Mathematical Inequalities & Applications · Volume 19, Issue 2 Limiting ultrasymmetric sequence spaces 19-44 Pages 597-624 DOI 10.7153/mia-19-44 Downloads Short PDF Full PDF PNG Authors Pedro Fernández-Martínez Teresa Signes Keywords sequence spaces ultrasymmetric spaces interpolation theory approximation spaces Subject classes 46B70 46E30 47B38