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LeanPool.BrillNoetherGraphs.LowGenus.GenusFiveRow10ChamberTwo

AR row 10, chamber 2 #

The second scope Atanasov--Ranganathan draw for their ninth family: the spoke b realizes the minimum, |e4| ≤ |e10| and |e4| ≤ |e3|. The displayed divisor is

 D = [1] + [2] + [7] + (e10 at distance |e4| from 3)

so the single mark is mark e10 = |e10| - |e4|, measured from e10's tail 0. The decomposition is the one of chamber 1 with the mark moved from e4 to e10: the tripod slides from 1 to 0, and the half-slot arm slides from C to the apex A.

 alpha = |e4|   (apex arm: the far half of e10, to the chip at the mark)
 beta  = |e3|   (B arm, to the chip 2)          S = |e9|    t = |e5|
 gamma = |e4|   (C arm, to the chip 1)          u = |e11|   w = |e6|
 m₁, m₂ = |e7|, |e8|

Again the chamber's first inequality is exactly alpha = gamma and its second is exactly gamma ≤ beta. The third case, c = min, is the sigma image of this chamber and is carried for free by GenusFiveRow10Symmetry.chamber_covers.

The mark #

The core, spelled out #

The far half of the marked slot -- the apex arm -- has exactly the C arm's length, which is the whole point of the chamber's first inequality.

The heights #

d.length 4 is alpha = gamma, d.length 3 is beta, d.length 9 is S, d.length 5 is t, d.length 11 is u, d.length 6 is w, and d.length 7, d.length 8 are the two banana slots.

mB: B's two resources, its own arm or the apex's arm followed by S.

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    G: the far route C1 ⟶ C ⟶ P, two slots because C is chip free.

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      The height of P under the target-P profile.

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        The transfer of B's surplus into Q's class when the B-Q slot collapses.

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          The flat profile, which reaches the apex 3 and the vertex 4 at once.

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            The target-B profile: B alone rises above the flat level.

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              The target-P profile: the chip Q rides up with P.

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                Profiles #

                theorem AtanasovRanganathan.GenusFiveRow10ChamberTwo.mkProfile {d : Utilities.Certificate.DegenerateSpec.DegSpec 8 12} (hCore : d.core = GenusFiveCoreAtlas.row10Core) (hb : d.length 4 ≤ d.length 10) {h : Fin 8 → ℕ} (hin10 : h 0 ≤ markA d) (hout10 : h 3 ≤ d.length 10 - markA d) (hflat10 : h 0 = 0 ∨ h 3 = 0) (hconst : ∀ (e : Fin 12), d.length e = 0 → h (GenusFiveCoreAtlas.row10Core.tail e) = h (GenusFiveCoreAtlas.row10Core.head e)) :

                The endpoint ledger, vertex by vertex #

                Incident-slot contribution for the second row-10 chamber, using the split-ramp formula on marked slot 10.

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                  The divisor #

                  Core-supported part of the second-chamber divisor: one chip each at vertices 1, 2, and 7.

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                    AR's divisor on chamber 2.

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                      Base core weight combining the three core chips with the endpoint contribution of the marked chip on slot 10.

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                        Chip allocations #

                        Allocation for the flat script, transferring chips from 0 to 3 and from 1 to 4 when slots 10 and 4 respectively contract.

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                          Allocation for the vertex-5 height adjustment, additionally transferring the chip at vertex 2 across contracted slot 3.

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                            Allocation for the banana profile, additionally transferring across contracted slot 9 and across contracted slot 11 when its height comparison requires it.

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                              Allocation for the tripod at vertex 0, collecting chips from vertices 2 and 1 across contracted slots 0 and 2.

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                                The flat profile: the apex 3 and the vertex 4 #

                                Expanded core coefficients of the flat-height script applied to the second-chamber allocFlat.

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                                  The target-B profile #

                                  Expanded core coefficients after the height adjustment at vertex 5, applied to the second-chamber allocB.

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                                    Which vertex of B's class owns the chip delivered to 5.

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                                      The target-P profile #

                                      Expanded core coefficients of the banana height profile applied to the second-chamber allocP.

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                                        The nested minima of the target-P profile, in the shape ConfigurationEleven consumes.

                                        Which vertex of P's class owns the chip delivered to 6.

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                                          The tripod at 0 #

                                          Expanded core coefficients after the tripod script at vertex 0, applied to the second-chamber allocT.

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                                            Every contracted core class is reached #