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Safe Complement Gap and Finite Negative Index

Abstract

A concentration-controlled spectral complement has a strict Weil gap and finite negative index.

Theorem 1.1 (Safe-complement gap).

Proof. Machine-checked in Lean as D5/S3/Weil/ZetaBridge/SafeComplementFiniteIndex.safe_complement_gap (✓ std3). ∎

Source. Repository-derived.

Commentary.

On the canonical Weil-test carrier, concentration in the dangerous multiplier band and pole orthogonality give the displayed positive gap for the frozen zero-side quadratic form.

Theorem 1.2 (Finite negative-index bound).

Proof. Machine-checked in Lean as D5/S3/Weil/ZetaBridge/SafeComplementFiniteIndex.finite_negative_index_bound (✓ std3). ∎

Source. Repository-derived.

Commentary.

A strictly positive complementary subspace prevents a negative subspace from having dimension larger than the retained summand.

References