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Equation 33 · A Reference Frame Becomes Classical by Publishing Its Orientation

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FF

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everything except fragment F , including the remaining environment. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.

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FF

Symbol F

everything except fragment F , including the remaining environment.

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What the article says around this equation

If ρF(g)\rho_F(g) is the same for every g , no measurement on F can reveal orientation. If the states differ, a measurement may estimate g , but its quality depends on the cost function and on whether one is solving a local or global estimation problem.

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