A Finite-State Symbolic Automaton Model for the Collatz Map and Its Convergence Properties

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1. Verfasser: Brauer, Leonard Ben Aurel
Format: Preprint
Veröffentlicht: 2025
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author Brauer, Leonard Ben Aurel
author_facet Brauer, Leonard Ben Aurel
contents We present a finite-state, deterministic automaton that emulates the Collatz function through digitwise transitions on base-10 representations. Each digit is represented as a symbolic triplet (r, p, c) encoding its value, the parity of the next digit, and an incoming carry propagated from the lower digit. This yields exactly 60 possible local states. The automaton applies local, parity-aware rules that collectively reconstruct the global arithmetic of the Collatz map. We show that all symbolic trajectories converge in finitely many steps to a unique terminal cycle (4, 0, 0) -> (2, 0, 0) -> (1, 0, 0), with all higher digit positions degenerating to the absorbing state (0, 0, 0). This collapse reveals a canonical symbolic normal form of Collatz dynamics. In parallel, a binary view explains the dynamics as alternating bit-length growth and contraction, aligning with known heuristics for Collatz convergence. This structural perspective is further reinforced by a symbolic drift function and a ranking potential that together explain and formalize the convergence process.
format Preprint
id arxiv_https___arxiv_org_abs_2506_21728
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A Finite-State Symbolic Automaton Model for the Collatz Map and Its Convergence Properties
Brauer, Leonard Ben Aurel
General Mathematics
Formal Languages and Automata Theory
We present a finite-state, deterministic automaton that emulates the Collatz function through digitwise transitions on base-10 representations. Each digit is represented as a symbolic triplet (r, p, c) encoding its value, the parity of the next digit, and an incoming carry propagated from the lower digit. This yields exactly 60 possible local states. The automaton applies local, parity-aware rules that collectively reconstruct the global arithmetic of the Collatz map. We show that all symbolic trajectories converge in finitely many steps to a unique terminal cycle (4, 0, 0) -> (2, 0, 0) -> (1, 0, 0), with all higher digit positions degenerating to the absorbing state (0, 0, 0). This collapse reveals a canonical symbolic normal form of Collatz dynamics. In parallel, a binary view explains the dynamics as alternating bit-length growth and contraction, aligning with known heuristics for Collatz convergence. This structural perspective is further reinforced by a symbolic drift function and a ranking potential that together explain and formalize the convergence process.
title A Finite-State Symbolic Automaton Model for the Collatz Map and Its Convergence Properties
topic General Mathematics
Formal Languages and Automata Theory
url https://arxiv.org/abs/2506.21728