Symbol delta
delta is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
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It is worth being explicit about which part of that conditional is load-bearing. Neither nor is arbitrary on its own — each is anchored to a cited, checkable piece of theory, and the crossover tolerance is computed, not chosen after the fact to produce a headline. What is a choice, and should be named as one, is treating and as commensurate just because both are dimensionless numbers between zero and one. A fidelity and a normalized angular tolerance measure different things, and no law of physics says a “demanding” qubit fidelity and a “demanding” compass tolerance sit at the same point on their respective scales. The reversal at …
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Equation 144 · Evolutionary Physics
The Bit Comes Back Before the Bearing
This equation gives an approximation: it relates the quantities while allowing an approximation.
It is worth being explicit about which part of that conditional is load-bearing. Neither nor is arbitrary on its own — each is anchored to a cited, checkable piece of theory, and the crossover tolerance is computed, not chosen after the fact to produce a headline. What is a choice, and should be named as one, is treating and as commensurate just because both are dimensionless numbers between zero and one. A fidelity and a normalized angular tolerance measure different things, and no law of physics says a “demanding” qubit fidelity and a “demanding” compass tolerance sit at the same point on their respective scales. The reversal at …
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