1. Idempotents in Banach algebras II;Quaestiones Mathematicae;2023-10-05
2. Products of Idempotent Operators;Integral Equations and Operator Theory;2017-03-30
3. Maps Preserving Complementarity of Closed Subspaces of a Hilbert Space;Canadian Journal of Mathematics;2014-10-01
4. Subspaces with a Common Complement in a Separable Hilbert Space;Integral Equations and Operator Theory;2008-10
5. Path connectivity of idempotents on a Hilbert space;Proceedings of the American Mathematical Society;2008-05-30