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ReQWIRE: Reasoning about Reversible Quantum Circuits

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arxiv 1901.10118 v1 pith:RZ2S7VFZ submitted 2019-01-29 cs.LO cs.ETcs.PL

classification cs.LOcs.ETcs.PL
keywords quantumstatediscardedancillaeexistinglanguagesmethodsreturned
verification ladder T0 review T1 audit T2 compute T3 formal
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Common quantum algorithms make heavy use of ancillae: scratch qubits that are initialized at some state and later returned to that state and discarded. Existing quantum circuit languages let programmers assert that a qubit has been returned to the |0> state before it is discarded, allowing for a range of optimizations. However, existing languages do not provide the tools to verify these assertions, introducing a potential source of errors. In this paper we present methods for verifying that ancillae are discarded in the desired state, and use these methods to implement a verified compiler from classical functions to quantum oracles.

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Cited by 1 Pith paper

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  1. ReOC: Compilation of Recursive Quantum Oracles with Recursion-Aware Uncomputation

    cs.PL 2026-08 conditional novelty 6.0 of 10

    A compilation framework from the new language RQIMP to the existing RQC++ language compiles recursive quantum oracles with quantum-controlled recursion and adds recursion-aware automatic uncomputation.

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