A recent numerical evaluation of the spherical universal log coefficient in the Maxwell free--energy and its decomposition into bulk and edge contributions via a bounded hyperbolic geometry mode calculation is shown to be equivalent to an existing compact formulation for p-forms, at p=1, on a conically deformed sphere. The edge mode seems to be a ghost $(p-1)$--form. Some numbers are given.
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J. S. Dowker (2024) studied this question.
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