Reproduce “ZX-DB: A Graph Database for Quantum Circuit Simplification and Rewriting via the ZX-Calculus” on OpenResearch
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About this paper
Valter Uotila, Cong Yu, Bo Zhao
ZX-DB executes established quantum-circuit simplifications as graph queries. It converts circuits into ZX diagrams, stores them in Memgraph, and expresses rewrite rules in openCypher; for interacting rewrites, it filters matches to avoid interference. In a one-CPU comparison, ZX-DB achieved up to an order-of-magnitude faster rewrite runtime than PyZX for independent rewrites, not full compilation.
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