Operators and Matrices · Volume 6, Issue 2 On the closed subideals of L(ℓp ⊕ ℓq) 06-22 Pages 311-326 DOI 10.7153/oam-06-22 Downloads Short PDF Full PDF PNG Authors Th. Schlumprecht Keywords operator ideals ℓp-spaces Subject classes 47L20 47B10 47B37