LatticeSectorSecondCollisionSlice
Abstract
LatticeSectorSecondCollisionSlice
Definition 1.1 (middleIterate).
Lean statement: D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.middleIterate
Formalization. D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.middleIterate (✓ std3).
Source. Repository-derived.
Commentary.
The middleIterate coefficient construction uses the displayed signed indices and finite polynomial fibers, with exactly the assumptions of its Lean statement.
Definition 1.2 (clearedMiddleSlice).
Lean statement: D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.clearedMiddleSlice
Formalization. D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.clearedMiddleSlice (✓ std3).
Source. Repository-derived.
Commentary.
The clearedMiddleSlice coefficient construction uses the displayed signed indices and finite polynomial fibers, with exactly the assumptions of its Lean statement.
Definition 1.3 (sliceResidueTerm).
Lean statement: D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.sliceResidueTerm
Formalization. D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.sliceResidueTerm (✓ std3).
Source. Repository-derived.
Commentary.
The sliceResidueTerm coefficient construction uses the displayed signed indices and finite polynomial fibers, with exactly the assumptions of its Lean statement.
Theorem 1.4 (actual_collision_slice_finite_residue).
Lean statement: D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.actual_collision_slice_finite_residue
Proof. Machine-checked in Lean as D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.actual_collision_slice_finite_residue (✓ std3). ∎
Source. Repository-derived.
Commentary.
A maximum of actual outer-state truncation bounds over the finite intermediate-mode interval makes the middle Borcherds residue a finite sum. No cutoff over all descendants is used.
References
- Truth anchor:
D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.actual_collision_slice_finite_residue - Truth anchor:
D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.clearedMiddleSlice - Truth anchor:
D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.middleIterate - Truth anchor:
D5/S3/VertexAlgebra/Sectors/LatticeSectorSecondCollisionSlice.sliceResidueTerm - Dependency: D5/S3/VertexAlgebra/FormalSeries/SupportedCollisionSlice
- Dependency: D5/S3/VertexAlgebra/Sectors/LatticeSectorThreeFieldInnerIterate