Developed Systems over Noncommutative Groups: Ordered Dynamics, Synchronization and Reconstruction

This work extends previous "Developed Modulated Residue Systems" paper field (https://doi.org/10.5281/zenodo.22688338) from commutative residue structures to ordered dynamics over finite noncommutative groups. Its central aim is to preserve the order of operations while distinguishing four events that are often conflated: execution, internal completion, publication, and observation. The proposed framework uses a token-ring publication mechanism governed by an external main clock. An operation may finish between two clock ticks, but its result remains pending until an admissible publication tick. Several independent token systems may operate at different rates and perform different tasks while remaining coordinated through the same central time reference. The article develops an exact reconstruction theory for sequences of noncommuting operations when only the products of selected intervals are observed. These observations define a graph whose vertices represent publication boundaries. The connected components of this graph determine the complete reconstruction ambiguity, the number of compatible operation sequences, and precisely which individual operations can be recovered. The framework also identifies the minimum number of additional observations required for complete reconstruction. The theory is extended to corrupted reports. The minimum Hamming distance between valid report vectors is shown to equal the edge connectivity of the observation graph. Consequently, a sequence can be recovered uniquely after any bounded set of report errors exactly when the graph connectivity exceeds twice the number of errors. This provides a direct connection between noncommutative group synchronization, graph cut-set coding, and timed observation within the DMRS framework. Explicit examples in the permutation group on three elements illustrate the main phenomena. They show how changing the order of operations can alter the return period of the published state, how aggregate measurements may fail to distinguish different systems, how partial observations can leave six compatible traces, and how a sufficiently connected observation design guarantees correction of one arbitrary report error. The resulting framework provides practical criteria for auditing transformation traces, planning additional observations, designing redundancy against corrupted reports, and verifying algebraic consistency across distributed tasks. SGE 2026-09

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-09-11
DOI
https://doi.org/10.5281/zenodo.22714069
Primary Topic
Distributed systems and fault tolerance
Type
preprint
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preprint

Developed Systems over Noncommutative Groups: Ordered Dynamics, Synchronization and Reconstruction

Sylvain Gefffroy
Zenodo (CERN European Organization for Nuclear Research)
Distributed systems and fault tolerance
preprint

Developed Systems over Noncommutative Groups: Ordered Dynamics, Synchronization and Reconstruction

Sylvain Gefffroy
preprint en

Abstract

This work extends previous "Developed Modulated Residue Systems" paper field (https://doi.org/10.5281/zenodo.22688338) from commutative residue structures to ordered dynamics over finite noncommutative groups. Its central aim is to preserve the order of operations while distinguishing four events that are often conflated: execution, internal completion, publication, and observation. The proposed framework uses a token-ring publication mechanism governed by an external main clock. An operation may finish between two clock ticks, but its result remains pending until an admissible publication tick. Several independent token systems may operate at different rates and perform different tasks while remaining coordinated through the same central time reference. The article develops an exact reconstruction theory for sequences of noncommuting operations when only the products of selected intervals are observed. These observations define a graph whose vertices represent publication boundaries. The connected components of this graph determine the complete reconstruction ambiguity, the number of compatible operation sequences, and precisely which individual operations can be recovered. The framework also identifies the minimum number of additional observations required for complete reconstruction. The theory is extended to corrupted reports. The minimum Hamming distance between valid report vectors is shown to equal the edge connectivity of the observation graph. Consequently, a sequence can be recovered uniquely after any bounded set of report errors exactly when the graph connectivity exceeds twice the number of errors. This provides a direct connection between noncommutative group synchronization, graph cut-set coding, and timed observation within the DMRS framework. Explicit examples in the permutation group on three elements illustrate the main phenomena. They show how changing the order of operations can alter the return period of the published state, how aggregate measurements may fail to distinguish different systems, how partial observations can leave six compatible traces, and how a sufficiently connected observation design guarantees correction of one arbitrary report error. The resulting framework provides practical criteria for auditing transformation traces, planning additional observations, designing redundancy against corrupted reports, and verifying algebraic consistency across distributed tasks. SGE 2026-09

Zenodo (CERN European Organization for Nuclear Research)
Peace, Justice and strong institutions
Distributed systems and fault tolerance
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