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Degeneracy forces zero mass when global Komar transport applies
Statement
For the normalized nonrotating horizon data of Normalized Komar data on a nonrotating horizon section, assume the additional, separately established global identity . If , then . In particular, an independent theorem forbidding zero mass in the specified black-hole class excludes such a configuration. The local horizon evaluation is Constant surface gravity gives the normalized horizon integral; this lemma does not establish the global identity, an admissible completion for positive mass, or the exclusion theorem.
Facts & Assumptions
Use the normalized functional and its constant-gravity evaluation. The exterior identity and any zero-mass exclusion are separate explicit hypotheses, not consequences of a local cross-section calculation. Normalized Komar data on a nonrotating horizon section Constant surface gravity gives the normalized horizon integral
Proof
**Given:**The local data, and degeneracy .
Goal: Derive the stated conditional zero-mass implication.
The constant-gravity integral yields . The supplied equality then gives .
If a separately applicable theorem excludes zero mass for the specified black-hole class, the equality in step 1.1 contradicts that theorem. This is a conditional implication and leaves every global applicability obligation with that separately supplied theorem.
Depends on
Dependency tree · 2 levels
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