WCOJ - WCOJ meets DBSP

Edit(2026-04-30): After having thought some more about this post there a multiple issues. The algorithm is not correct and the claim about WCOJ needs to be more precise. There are multiple definitions for worst-case optimality in the context of IVM and I need to get them straight before actually claiming anything. The more serious issue is correctness. Let $P_{i}$ be the set of prefixes at level…