Zigzag engine: cubical/string-diagram constructions in Rust. Reference for topolei.
cd4b951f78
Initial structure implementing the zigzag construction for associative n-categories (LICS 2022 paper). Includes: - monotone.rs: MonotoneMap with Wraith's R equivalence (complete) - zigzag.rs: Zigzag<T>, ZigzagMap<S> with composition - diagram.rs: Diagram, DiagramN, Cospan, Rewrite, Cone types - signature.rs: Generator, Signature (complete) - degeneracy.rs: Degeneracy detection stubs - normalise.rs: Construction 17 algorithm structure - typecheck.rs: Type checking against signatures - explosion.rs: k-points and Poset for layout - layout.rs: SpringConstraint API surface All 33 unit tests pass. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> |
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