Operators and Matrices · Volume 12, Issue 3 On differentiability of a class of orthogonally invariant functions on several operator variables 12-42 Pages 711-721 DOI 10.7153/oam-2018-12-42 Downloads Short PDF Full PDF PNG Authors Tianpei Jiang Hristo Sendov Subject classes 15A18 47A56 49R50 05A05 47A75