1. with Clement de Seguins Pazzis, Continuous space-time transformations, accepted in Adv. Geom. ( pdf
  2. Order and spectrum preserving maps on positive operators, accepted in Canad. J. Math.,
  3. Order isomorphisms of operator intervals, accepted in Integral Equations Operator Theory,
  4. Endomorphisms of the poset of idempotent matrices ( pdf