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Equation 9 · The Bit Comes Back Before the Bearing

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VV

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VV

Symbol V

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The hole’s evaporation is modeled, as it is throughout this line of work, as an isometry V from the interior-plus-infalling-system Hilbert space to a radiation-plus-remaining-interior Hilbert space. What makes the conservation law bite is that V must commute with the group action on both sides:

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