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Cohomological framework for contextual quantum computations

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arxiv 1602.04155 v4 pith:OTHJOFX3 submitted 2016-02-12 quant-ph

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keywords invariantsquantumcasecohomologicalcomputationframeworkalgebraicapplies
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We describe a cohomological framework for measurement based quantum computation, in which symmetry plays a central role. Therein, the essential information about the computational output is contained in topological invariants, namely elements of two cohomology groups. One of those invariants applies to the deterministic case, and the other to the general probabilistic case. The same invariants also witness quantumness in the form of contextuality. In result, they give rise to fundamental algebraic structures underlying quantum computation.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Double categories for adaptive quantum computation

    quant-ph 2025-10 conditional novelty 5.0 of 10

    The paper unifies circuit, MBQC, magic-state, and Pauli measurement models as double categories, with quantum information horizontal and classical control vertical, and recasts the contextual-fraction bound on computi...

  2. Analogs of absolutely maximally entangled states in nonlocal correlations via the sheaf-theoretic framework and its applications

    quant-ph 2026-01 conditional novelty 4.0 of 10

    AMCCs are introduced as the correlation-space analogue of absolutely maximally entangled states, with PR boxes, GHZ correlations, and parity/CSP-built families as examples.

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