[1] Peng Cao and Shanli Sun, Quasinilpotent Operators in Operator Lie algebras, Integral Equations and Operator Theory, 58(2007) 35-41.
[2] Peng Cao, Scattered elements of Banach algebras, Studia Math. 214( 2013), 195-200.
[3] Peng Cao, Yuri, V. Turovskii, Topological radicals, VI. Scattered elements in Banach Jordan and associative algebras, Studia Math. 235(2016), 171-208.
[4] Peng Cao and Sen Zhu, Derivations mapping into scattered operators. Studia Math. 268 (2023), no. 1, 65–74.
[5] Cao, Peng, Common Invariant Subspaces and Compactness Conditions, Science Press, Beijing, 2021. ISBN 978-7-03-068712-8
