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Extensively Not P-Bi-Immune promiseBQP-Complete Languages

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arxiv 2406.16764 v1 pith:2XAW5L4X submitted 2024-06-24 cs.CC quant-ph

classification cs.CCquant-ph
keywords classicallyinstanceslanguageexistenceinfinitemanyp-bi-immunequantum
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In this paper, I first establish -- via methods other than the Gottesman-Knill theorem -- the existence of an infinite set of instances of simulating a quantum circuit to decide a decision problem that can be simulated classically. I then examine under what restrictions on quantum circuits the existence of infinitely many classically simulable instances persists. There turns out to be a vast number of such restrictions, and any combination of those found can be applied at the same time without eliminating the infinite set of classically simulable instances. Further analysis of the tools used in this then shows there exists a language that every (promise) BQP language is one-one reducible to. This language is also not P-bi-immune under very many promises.

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Cited by 1 Pith paper

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  1. Phase Transitions in Decision Problems Over Odd-Sized Alphabets

    cs.CC 2025-05 reject novelty 4.0 of 10

    A follow-up theorem claims phase transitions appear in all adequately-balanced decision problems over odd-sized alphabets, but the proof's central alphabet-encoding construction is invalid as written.

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