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Tarcha right adjacent interpolation as an ordered configuration

Definition
TarchaBraids_right_interp_config_data_v1

by WillR · Sep 21, 2026 · Mathlib 0df444a (Lean v4.33.1)

artin-presentationbraid-groupsconfiguration-spacetarcha

The collision-free right interpolation between the adjacent three-half-twist word and the common outer-rotation path, packaged as an ordered configuration using the accepted injectivity theorem.

Definition code
import Mathlib
import Definitions.Def_TarchaBraids_adjacent_path_data_v1
import Theorems.Thm_TarchaBraids_thm_3_15_adjacent_right_interp_injective_v1

namespace TarchaBraids

noncomputable section

open BraidsLinksMCG

def rightOuterInterpConfig {n : ℕ} (i j : Fin (n - 1))
    (hji : (j : ℕ) = (i : ℕ) + 1) (u q : unitInterval) : OrderedConfig n :=
  ⟨rightOuterInterpFun n i j (u : ℝ) (q : ℝ),
    thm_3_15_adjacent_right_interp_injective_v1
      i j hji (u : ℝ) (q : ℝ) u.2.1 u.2.2 q.2.1 q.2.2⟩

end

end TarchaBraids
Source
Modular ordered-configuration layer for Tarcha's explicit adjacent Artin relation proof.

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