We prove that, for every complex Hilbert space , every weak 2-local derivation on or on is a linear derivation. We also establish that every weak 2-local derivation on an atomic von Neumann algebra or on a compact C-algebra is a linear derivation.
"On a generalized Šemrl’s theorem for weak 2-local derivations on ." Banach J. Math. Anal. 11 (2) 382 - 397, April 2017. https://doi.org/10.1215/17358787-0000009X