{
  "arrows": [
    {
      "name": "Psi_1",
      "from": "L1 (BF family line)",
      "to": "L0 (C_aux) (x) partner line (x) H_Gamma",
      "source_type": {
        "category": "etale (Galois cohomology)",
        "ring": "O(V_1 x V_2 x W)",
        "rank": 1,
        "character": "V_c(f,g)^* up to 1/X",
        "tate_twist": 0,
        "orientation": "line"
      },
      "target_type": [
        {
          "category": "crystalline (D_cris of a (phi,Gamma)-submodule)",
          "ring": "O(V_1)",
          "rank": 1,
          "character": "auxiliary F+ line",
          "tate_twist": -1,
          "orientation": "line"
        },
        {
          "category": "crystalline",
          "ring": "O(V_2)",
          "rank": 1,
          "character": "partner F- line",
          "tate_twist": 0,
          "orientation": "line"
        }
      ],
      "theorem": "Perrin-Riou regulator L^PR (LZ16) on loc_p; image computed by LR C1.9",
      "hypotheses": [
        "kappa_d exists: C1.4 with (d,6S)=1 (RUN-094)",
        "f_beta non-critical (RUN-094)",
        "g noble, ordinary, residually irreducible (RUN-095)"
      ],
      "nonzero": {
        "image": "c_f(k) * C_d * L_p^g",
        "c*_f(r) in L^x": "C1.13",
        "C_d": 26,
        "L_p^g at the point": {
          "lambda_E(0)": 5,
          "lambda_0(0)": 4
        },
        "status": "injective on the line: every factor a non-zero-divisor"
      },
      "frame_action": {
        "b_f+": "u (RUN-096: Col scales by u)",
        "omega_f": "canonical replacement (C1.10)",
        "eta_g": "partner frame"
      },
      "partner_dependence": "ONLY through the separate tensor factor D_cris(F- D(g)^*) and eta_g",
      "line_level": "class-level (a map of modules)",
      "partner_slot_separate": true
    },
    {
      "name": "Psi_2",
      "from": "L1 (BF family line)",
      "to": "L2 (BF leading line)",
      "source_type": {
        "category": "etale (Galois cohomology)",
        "ring": "O(V_1 x V_2 x W)",
        "rank": 1,
        "character": "V_c(f,g)^* up to 1/X",
        "tate_twist": 0,
        "orientation": "line"
      },
      "target_type": {
        "category": "etale (Galois cohomology)",
        "ring": "H_Gamma",
        "rank": 1,
        "character": "V(g)^*(psi^{-1})",
        "tate_twist": 0,
        "orientation": "line"
      },
      "theorem": "C1.6 (tau-quotient image zero) + C1.7 (unique lift to H^1(Q,V(f,g)^*), image in the psi-quotient) + leading term X^n kappa-hat_d mod X",
      "hypotheses": [
        "Prop C1.1 (Selmer vanishing) for the vanishing in C1.6",
        "Thm A6.1 / section A6.3 for the chain of lattices"
      ],
      "nonzero": {
        "status": "X^n kappa-hat_d is well-defined and non-zero modulo X (LR, C1.7 area)"
      },
      "frame_action": {
        "b_f+": "none: a quotient projection of Galois modules"
      },
      "partner_dependence": "the target module is V(g)^*(psi^{-1}) (x) H_Gamma",
      "line_level": "class-level (quotient maps of Galois modules)"
    },
    {
      "name": "Psi_3",
      "from": "L2 (BF leading line)",
      "to": "L3 (Kato line)",
      "source_type": {
        "category": "etale (Galois cohomology)",
        "ring": "H_Gamma",
        "rank": 1,
        "character": "V(g)^*(psi^{-1})",
        "tate_twist": 0,
        "orientation": "line"
      },
      "target_type": {
        "category": "etale (Galois cohomology)",
        "ring": "H_Gamma",
        "rank": 1,
        "character": "V(g)^*(psi^{-1})",
        "tate_twist": 0,
        "orientation": "line"
      },
      "theorem": "C1.13: kappa-hat*_d(f_beta,g) = [C C_d log L_p(g x tau)/L_p(Ad g)] kappa(g x psi); C1.1's proof: the module is free of rank 1 over H_Gamma",
      "hypotheses": [
        "Kato's reciprocity for g",
        "Equation 11 and C1.12",
        "Prop C1.1 for the lift"
      ],
      "nonzero": {
        "status": "both generators nonzero; the scalar C C_d L_p(g x tau)/L_p(Ad g) a non-zero-divisor"
      },
      "frame_action": {
        "b_f+": "C = c*_f(r) scales by u; the class identity is frame-free"
      },
      "partner_dependence": "L_p(g x tau), L_p(Ad g), kappa(g x psi)",
      "line_level": "scalar-first, lifted to classes by Prop C1.1",
      "sharp_question_1": "LR proves equal regulator images, then equality of CLASSES by Prop C1.1 (injectivity): line-level"
    },
    {
      "name": "Psi_4",
      "from": "L3 (Kato line)",
      "to": "L4 (C_arith)",
      "source_type": {
        "category": "etale (Galois cohomology)",
        "ring": "H_Gamma",
        "rank": 1,
        "character": "V(g)^*(psi^{-1})",
        "tate_twist": 0,
        "orientation": "line"
      },
      "target_type": {
        "category": "H_Gamma (Iwasawa algebra / distributions)",
        "ring": "H_Gamma",
        "rank": 1,
        "character": "g x psi",
        "tate_twist": 0,
        "orientation": "line"
      },
      "theorem": "Kato [Kat04]: localisation at p, Perrin-Riou regulator for F- V(g)^*, lands on L_p(g x psi); and Kato's L_p equals the Mazur-Tate-Teitelbaum L_p built from modular symbols, up to the period frame",
      "hypotheses": [
        "g residually irreducible, ordinary (RUN-095)",
        "the period frame Omega^+- fixed: RUN-080 (calibrator plus = Neron), RUN-096 C8 (indices 2, 2)"
      ],
      "nonzero": {
        "status": "injective on the line: the p-adic L-function is a non-zero-divisor (C1.1's proof); in-tree the series are nonzero"
      },
      "frame_action": {
        "Omega^+-": "G (period frame)",
        "lattice index": "L (2 on both signs of the target, 2 and 1 for the calibrator)"
      },
      "partner_dependence": "entirely partner-side",
      "line_level": "class-level; the equality of Kato's and MTT's L_p is an equality of elements of H_Gamma",
      "kato_modsym_status": "theorem",
      "sharp_question_2": "id(Kato ~ modular symbol) is Kato's theorem that his p-adic L-function is the modular-symbol one up to the stated period frame - a theorem-induced identification of generators of the same line, with the frame named as G; not bookkeeping"
    }
  ],
  "junctions": {
    "L1 shared by Psi_1 and Psi_2": {
      "compatible": true,
      "problems": []
    },
    "L2: Psi_2 -> Psi_3": {
      "compatible": true,
      "problems": []
    },
    "L3: Psi_3 -> Psi_4": {
      "compatible": true,
      "problems": []
    }
  },
  "every_arrow_named": true,
  "every_identity_line_level_or_lifted": true,
  "partner_slot_separate_everywhere": true,
  "kato_modsym_is_a_theorem": true,
  "first_incompatible_junction": null,
  "positive_control_accepted": true,
  "composite": "Psi = Psi_4 . Psi_3 . Psi_2 . Psi_1^{-1} : C_aux (x) (partner line) -> C_arith, over H_Gamma-lines",
  "agrees": true
}
