Alphabeta Math

Homological Gaussian Elimination

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✓ 7 results · all verified · 0 also independently AI-judged
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1 · Prerequisites
2 · Logical flowchart

3 · Items

Definition

Complexes, homotopies and contractibility in an additive category

Definition

An invertible cochain differential block and its candidate reduction

Lemma

Triangular basis changes diagonalize an invertible differential block

Theorem

Gaussian elimination splits a contractible two-term complex

Proposition

Explicit strong deformation retract from Gaussian cancellation

Corollary

Gaussian cancellation preserves homotopy type and abelian-category homology

Theorem

Finite iteration of current invertible-block cancellations

Proposition

Additive functors preserve chosen Gaussian cancellations

Proposition

Transferred maps are functorial up to homotopy, with strict naturality limits

Sources