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Oracles and advice as measurements.
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Oracles that measure thresholds: the Turing machine and the broken balance.
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An analogue-digital Church-Turing thesis.
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The impact of models of a physical oracle on computational power.
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Can Newtonian systems, bounded in space, time, mass and energy compute all functions?.
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When does a physical system compute?.
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Rough sets: a tutorial.
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Computable analysis.
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