2 papers
math.OA2026
Commutators in Continuous Regular Rings
Andreas Thom, Jiaqi Wang
Let be a continuous von Neumann regular ring with no nonzero abelian idempotents. We prove that every element of is a single additive commutator. In particular, every opera…
math.FA2026
A Dimension-Independent Commutator Bound
Hao Shen, Jiaqi Wang, Lihong Zhi
We prove that every trace-zero matrix admits a representation with and ,…