Preprint
Sep 2026
Unifying and Extending Strong Simulation of Quantum Circuits
We establish functional aggregate queries (FAQs) as a unifying language for exact classical simulation of quantum circuits. A circuit becomes a sum-product query: factors encode gates, internal wire variables are aggregated, and free boundary variables index transition amplitudes. The central insight is that distinct s...
F. Geerts, Rihan Hai, Matthias Lanzinger et al.
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