Documentation

LeanPool.BrillNoetherGraphs.LowGenus.GenusFiveRow10ChamberOne

AR row 10, chamber 1 #

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

 D = [0] + [2] + [7] + (e4 at distance |e10| from 4)

so the single mark is mark e4 = |e4| - |e10|, measured from e4's tail 1. The five chip-free vertices split as

 alpha = |e10|   (apex arm, to the chip 0)      S = |e9|    t = |e5|
 beta  = |e3|    (B arm, to the chip 2)         u = |e11|   w = |e6|
 gamma = |e10|   (C arm: the far half of e4, to the chip at the mark)
 m₁, m₂ = |e7|, |e8|

The chamber's first inequality is exactly what makes alpha = gamma -- it places the interior chip at distance |e10| from 4 -- and its second inequality is exactly gamma ≤ beta. Both are used, and nothing else about the chamber is.

The mark #

The core, spelled out #

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

The heights #

d.length 10 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.GenusFiveRow10ChamberOne.mkProfile {d : Utilities.Certificate.DegenerateSpec.DegSpec 8 12} (hCore : d.core = GenusFiveCoreAtlas.row10Core) (hb : d.length 10 ≤ d.length 4) {h : Fin 8 → ℕ} (hin4 : h 1 ≤ markC d) (hout4 : h 4 ≤ d.length 4 - markC d) (hflat4 : h 1 = 0 ∨ h 4 = 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 first row-10 chamber, using the split-ramp formula on marked slot 4.

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                  The divisor #

                  Core-supported part of the first-chamber divisor: one chip each at vertices 0, 2, and 7.

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                    AR's divisor on chamber 1.

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                      Base core weight combining the three core chips with the endpoint contribution of the marked chip on slot 4.

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                        Chip allocations #

                        Four conditional transfers, each inside one contracted class. Three of them hand a collapsed arm's chip to the picture vertex it has merged with; the fourth, shift, is ConfigurationBananaTail's, moving B's surplus to the chip Q when the B-Q slot collapses.

                        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 1, collecting the chips from vertices 0 and 2 across contracted slots 2 and 1.

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

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

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                                  The target-B profile #

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

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                                    Which vertex of B's class owns the chip delivered to 5. When the A-B slot collapses the apex is in the class and already carries it; when the B-Q slot collapses the chip at Q is.

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                                      The target-P profile #

                                      Expanded core coefficients of the banana height profile applied to allocP, including the transfer across contracted slot 11.

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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. When the C-P slot collapses C is in the class and already carries it; when a banana slot collapses the chip at Q is.

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                                          The tripod at 1 #

                                          Expanded core coefficients after the tripod script at vertex 1, applied to allocT.

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                                            Every contracted core class is reached #