Department of Mathematics, Shanxi Teachers University, Linfen, 041004, People's Republic of China ; School of Mathematical Sciences, Peking University, Beijing 100871, People's Republic of China
Abstract:
In this paper, the completely rank nonincreasing bounded linear maps on nest algebras acting on separable Hilbert spaces are characterized, and an affirmative answer to a problem posed by Hadwin and Larson is given for the case of such nest algebras.