Establish a natural replenishment-based random-order separation
Establish a comparable separation between random-order and adversarial-order streaming space for a natural problem using quantum replenishment, rather than for the artificial ARHM problem.
References
It remains open to establish a comparable separation between random and adversarial order for a natural problem using replenishment.
— Random Order in Quantum Streaming: Replenishment and Robust Lower Bounds
(2610.06727 - Voronova, 5 Oct 2026) in Section 6, paragraph "Open questions"