{ "ai.module": "chebyshev_demazure_dyck_rtt", "ai.version": "1.0", "ai.purpose": "RTT structural map of the paper 'Chebyshev quotients, Demazure multiplicities, and Dyck-path models'.", "ai.source.pdf": "https://arxiv.org/pdf/2604.25246", "ai.keywords": [ "Chebyshev quotients", "Demazure multiplicities", "fusion products", "sl2[t]", "Dyck paths", "matchings", "strip walks", "eventual positivity", "orthogonal polynomials", "AxiomProver", "Lean formalization" ], "ai.module.summary": "This module exposes the regime structure behind the Chebyshev-quotient formula for numerical Demazure multiplicities, the eventual-positivity dichotomy, and the signed/unsigned combinatorial models involving matchings, strip walks, and bounded Dyck paths.", "ai.regimes": { "fusion_product_regime": { "description": "Demazure flags for sl2[t] fusion products produce graded multiplicity polynomials.", "evidence": "Definition of V(ξ) and Demazure flag structure. " }, "chebyshev_quotient_regime": { "description": "Numerical multiplicities are coefficients of rational functions built from Chebyshev-type polynomials.", "evidence": "Proposition 1 expresses Vξ→m_μ(1) as a coefficient of pm−μ0−1 pξ / pm^(μ1+1). " }, "eventual_positivity_regime": { "description": "Coefficient sequences of Chebyshev quotients either terminate or become strictly positive.", "evidence": "Theorem 1.1: polynomial vs eventually positive dichotomy. " }, "matching_walk_regime": { "description": "Coefficients admit a signed combinatorial model using matchings and bounded strip walks.", "evidence": "Theorem 1.2: signed matching + strip-walk formula. " }, "dyck_path_factorization_regime": { "description": "Certain families factor into Dyck-path-compatible pieces, yielding unsigned models.", "evidence": "Theorem 1.3: Dyck-path factorization and positivity. " }, "formalization_regime": { "description": "AxiomProver autoformalizes the main theorems in Lean.", "evidence": "Appendix: autonomous Lean proofs for Theorems 1.1–1.3. " } }, "ai.tensions": { "representation_vs_polynomial": { "description": "Representation-theoretic multiplicities vs Chebyshev-quotient analytic structure.", "paper_alignment": "Proposition 1 bridges Demazure flags and Chebyshev quotients." }, "signed_vs_unsigned": { "description": "Signed matching/walk model vs unsigned Dyck-path models.", "paper_alignment": "Theorem 1.2 vs Theorem 1.3." }, "root_behavior_vs_combinatorics": { "description": "Root structure of pm controls positivity; combinatorics explains coefficients.", "paper_alignment": "Section 2 (roots) vs Sections 3–5 (combinatorics)." }, "formal_vs_informal": { "description": "Human narrative vs Lean autoformalization.", "paper_alignment": "Appendix on AxiomProver." } }, "ai.transitions": { "demazure_to_chebyshev_transition": { "description": "Translate graded multiplicities into Chebyshev-quotient coefficient extraction.", "paper_alignment": "Proposition 1." }, "quotient_to_positivity_transition": { "description": "Analyze roots of pm to determine eventual positivity.", "paper_alignment": "Theorem 1.1." }, "positivity_to_signed_model_transition": { "description": "Expand numerator via matchings and denominator via strip walks.", "paper_alignment": "Theorem 1.2." }, "signed_to_unsigned_transition": { "description": "Identify factorization patterns yielding Dyck-path models.", "paper_alignment": "Theorem 1.3." }, "informal_to_lean_transition": { "description": "AxiomProver converts natural-language theorems into Lean proofs.", "paper_alignment": "Appendix." } }, "ai.operators": { "chebyshev_coefficient_operator": { "type": "operator", "role": "Extracts coefficients from Chebyshev quotients representing multiplicities." }, "root_analysis_operator": { "type": "operator", "role": "Determines eventual positivity via smallest root of pm." }, "matching_operator": { "type": "operator", "role": "Expands pr(x) as matching polynomials of path graphs." }, "strip_walk_operator": { "type": "operator", "role": "Expands 1/pm(x) via bounded strip walks." }, "dyck_factor_operator": { "type": "operator", "role": "Identifies Dyck-path-compatible factorizations." }, "formalization_operator": { "type": "operator", "role": "Maps informal statements to Lean-verifiable structures." } }, "ai.audience": "Researchers in representation theory, algebraic combinatorics, orthogonal polynomials, and formal verification.", "ai.contact.github": "https://github.com/TriadicFrameworks", "ai.license": "Open educational use permitted" }