Constructing hazard-free Boolean circuits proven NP-hard

thomasahle · x · 2026-11-10

Thomas Ahle highlights the result that constructing hazard-free Boolean circuits is NP-hard, with a thread explaining it. A hazard-free circuit stays stable when an input transitions between 0 and 1 — important for hardware correctness — but this property can force exponentially larger circuits, and now the construction itself is shown to be NP-hard.

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