The lattice of closed ideals in the Banach algebra of operators on a certain dual Banach space.

Laustsen, Niels Jakob and Schlumprecht, Thomas and Zsak, Andras (2006) The lattice of closed ideals in the Banach algebra of operators on a certain dual Banach space. Journal of Operator Theory, 56 (2). pp. 391-402.

 Preview
PDF (ideals_in_ell_1_sum_of_ell_2n.pdf)
ideals_in_ell_1_sum_of_ell_2n.pdf