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April 16, 20260 citationsOpen Access

ADE Simple-Singularity Uniformization of Coordinate-Free Renormalized Tail Orbits:\ Vanishing-Cycle Packets, Picard-Lefschetz Stokes Groupoids, and Finite-Window Weyl Recovery

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MAMohammad Abu-Ghuwaleh

Key Points

  • The aim is to address the gap in the orbit category regarding non-Morin collisions and to explore simple catastrophe mechanisms.
  • Analyzed a specific family of Thom-Arnold types under simple-pole framework.
  • Studied compatible tail hierarchies on compact ray bundles with local realizations.
  • Proved theorems on universal packet law, global invariants, and inverse rigidity statements under certain assumptions.
  • Established a full-n universal packet law that governs collision packets.
  • Introduced an ADE Stokes groupoid capturing branch permutation and residue multipliers.
  • Developed a quantitative classification method for ADE type recovery under local conditions.

Abstract

The preceding paper in this series completed the corank-one picture for coordinate-free renormalized tail orbits by resolving every bounded Morin tower of type \ (Aₖ\). That left the next structural gap completely exposed: the orbit category still had no theorem for genuinely non-Morin simple collisions, hence no mechanism for corank-two or exceptional simple catastrophes. The present paper closes that gap inside the largest modality-zero class one can treat without leaving the simple-pole framework. We fix a finite family \ (S\Aₖ, Dₖ, E₆, E₇, E₈\\) of simple Thom-Arnold types and study compatible renormalized-tail hierarchies on compact ray bundles that admit local coordinate-free smooth simple-pole branch realizations with collision strata modeled by \ (S\). For each \ (S\) we choose a weighted-homogeneous core \ (P_\), a reduced Jacobi-monomial basis \ (mₐ\), and a distinguished Lefschetz-thimble basis. The first main theorem proves a full-\ (n\) universal packet law: after removing spectator branches and renormalizing by the quasi-homogeneous factor \ (n^-_\), the collision packet is governed on the natural control scales by a finite jet of the vector-valued canonical integral \ I_ (u) = (_, e^P_ (t) +ₐ uₐ mₐ (t) \, dt) =₁^_. \ The law is uniform on bounded control boxes and contains the earlier \ (Aₖ\) -packet theorem as the \ (A\) -subtower. The second theorem upgrades local continuation to a global invariant. Sectorial asymptotics of the packet recover the chamberwise branch expansions, while wall-crossing acts by universal Picard-Lefschetz matrices. On an adapted cover these local changes of basis assemble into an ADE Stokes groupoid generated by branch permutations, residue multipliers, and type-\ (\) Picard-Lefschetz blocks. Its nonabelian Cech class is shown to be the exact obstruction to a global simple-singularity-resolved atlas on the chosen ray bundle. The third theorem is an inverse rigidity statement of Weyl type. From the packet germ together with its Picard-Lefschetz transport one recovers the Coxeter-Dynkin type, the tangent discriminant cone, the quasi-homogeneous scaling spectrum, and the reduced control jet up to the natural finite reflection symmetry and flat gauge. In particular, the local orbit germ distinguishes \ (A\) -, \ (D\) -, and \ (E\) -regimes intrinsically. The fourth theorem is quantitative. For a fixed finite candidate family \ (S\), finitely many scalar probes sampled on finitely many selected rays and a bounded window \ (n=N, , N+J-1\) asymptotically classify the true ADE type and recover the leading control parameters and amplitudes with error \ \! (N^-1/h_+N+N) \ under the natural local injectivity, separation, and noise-floor hypotheses. The result is stated deliberately as a local finite-horizon asymptotic recovery theorem, not as a globally conditioned numerical algorithm under arbitrary noise. The scope is explicit. We treat coordinate-free smooth simple-pole branch families, a finite bounded simple-type list \ (S\), and modality-zero collisions only. We do not claim modal singularities, higher-order poles, arbitrary singular varieties, or unrestricted global noise. Within that regime, however, the paper upgrades the caustic theory from the Morin tower to the full finite ADE simple-singularity level: universal packets, Picard-Lefschetz transport, exact global obstruction, Weyl-rigid inverse recovery, and finite-window diagnosis.

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Cite This Study

Mohammad Abu-Ghuwaleh (2026) studied this question.

synapsesocial.com/papers/69e07dad2f7e8953b7cbe9a2https://doi.org/10.5281/zenodo.19580697
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