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arxiv: 2101.09772 · v2 · submitted 2021-01-24 · 🧮 math.CO · math.GR

Configuration sets for groups

Pith reviewed 2026-05-24 14:06 UTC · model grok-4.3

classification 🧮 math.CO math.GR
keywords configuration setsgroupsCayley graphshomogeneous linear systemsfinite fieldsconnectivitynon-identity elements
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The pith

The configuration set F(G,k) of k distinct elements in a group allows construction of homogeneous linear systems over finite fields that admit nontrivial solutions.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper develops practical tools for analyzing the configuration set F(G,k) of k greater than or equal to 2 distinct elements in a group G. These tools are applied to design homogeneous linear systems in the finite field F_q that have nontrivial solutions. The work also examines the connectivity of Cayley graphs of the form Cay(G^k, F(G,k)) and extends the analysis to sets excluding the identity element. A sympathetic reader would care because the approach links group configurations directly to constructions in linear algebra over finite fields and to graph connectivity questions.

Core claim

We develop practical tools for analyzing the configuration set F(G,k) of k≥2 distinct elements in a group G. We apply our results to design homogeneous linear systems in F_q that admit nontrivial solutions. Furthermore, we study the connectivity of Cayley graphs of the form Cay(G^k,F(G,k)). In addition, we consider the configuration set of k≥2 distinct non-identity elements in G.

What carries the argument

The configuration set F(G,k), the collection of all ordered k-tuples of distinct elements from G, which is used both to construct the linear systems and to serve as the connection set for the Cayley graphs.

If this is right

  • Homogeneous linear systems over F_q admit nontrivial solutions when derived from the configuration set F(G,k).
  • The connectivity of Cayley graphs Cay(G^k,F(G,k)) is determined by the structure of F(G,k).
  • The same structural tools apply to configuration sets consisting only of non-identity elements.
  • Practical methods exist for analyzing configuration sets in arbitrary groups.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The methods for constructing linear systems might apply to related problems in combinatorial design or coding over finite fields.
  • Connectivity statements for these Cayley graphs could imply diameter or expansion bounds that are not stated explicitly.
  • The exclusion of the identity case suggests a natural variant for studying torsion-free or reduced generating sets.

Load-bearing premise

The configuration set F(G,k) possesses structural properties that enable both the design of nontrivial solutions to homogeneous linear systems over finite fields and the connectivity analysis of the associated Cayley graphs.

What would settle it

A concrete group G and value of k for which every homogeneous linear system constructed via F(G,k) has only the trivial solution, or for which the graph Cay(G^k,F(G,k)) fails to be connected.

read the original abstract

We develop practical tools for analyzing the configuration set $F(G,k)$ of $k\geq 2$ distinct elements in a group $G$. We apply our results to design homogeneous linear systems in $\mathbb{F}_q$ that admit nontrivial solutions. Furthermore, we study the connectivity of Cayley graphs of the form $\mathrm{Cay}(G^k,F(G,k))$. In addition, we consider the configuration set of $k\geq 2$ distinct non-identity elements in $G$.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 1 minor

Summary. The paper introduces the configuration set F(G,k) consisting of k≥2 distinct elements from a group G, develops practical tools for its analysis, applies the results to construct homogeneous linear systems over finite fields F_q admitting nontrivial solutions, examines the connectivity of the associated Cayley graphs Cay(G^k, F(G,k)), and extends the study to the case of non-identity elements.

Significance. If the claimed tools and applications are substantiated with explicit definitions, theorems, and verifiable constructions, the work could provide useful combinatorial machinery linking group configurations to linear algebra over finite fields and Cayley graph properties. However, the absence of any concrete definitions, equations, or proofs in the supplied abstract leaves the significance unassessable from the given material.

minor comments (1)
  1. The abstract provides no definitions, theorems, or examples, rendering the claims impossible to evaluate for correctness or novelty.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their assessment. The full manuscript contains the explicit definitions, theorems, and constructions referenced in the abstract; we address the concern about assessability below.

read point-by-point responses
  1. Referee: However, the absence of any concrete definitions, equations, or proofs in the supplied abstract leaves the significance unassessable from the given material.

    Authors: Abstracts are intentionally concise and omit detailed equations or proofs. The manuscript opens with the definition of the configuration set F(G,k) as the collection of all k-tuples of distinct elements from G. It then develops explicit combinatorial tools for analyzing this set, provides concrete constructions of homogeneous linear systems over F_q that admit nontrivial solutions (with explicit coefficient matrices derived from the configuration set), and proves connectivity results for the Cayley graphs Cay(G^k, F(G,k)) by exhibiting generating sets and paths. These are all substantiated with theorems and proofs in the body of the paper. If the referee prefers, we can expand the abstract with one or two key equations or statements. revision: partial

Circularity Check

0 steps flagged

No significant circularity detected

full rationale

The provided abstract and context describe the development of tools for analyzing configuration sets F(G,k) and their applications to linear systems and Cayley graphs, but contain no explicit derivations, equations, fitted parameters, self-citations, or ansatzes that could be inspected for reduction to inputs by construction. Without load-bearing steps or theorems in the visible text, no circularity can be identified or quoted. The derivation chain is therefore treated as self-contained by default, consistent with the most common honest outcome for papers lacking internal self-referential constructions.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Abstract-only review supplies no information on free parameters, axioms, or invented entities.

pith-pipeline@v0.9.0 · 5595 in / 1018 out tokens · 23134 ms · 2026-05-24T14:06:26.661351+00:00 · methodology

discussion (0)

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Reference graph

Works this paper leans on

16 extracted references · 16 canonical work pages · 1 internal anchor

  1. [1]

    Fadell and L

    E. Fadell and L. Neuwirth, 'Configuration spaces' , Math. Scand. 10 (1962), no. 4, 111-118

  2. [2]

    Publ., Hackensack, NJ, (2008), 46--63

    J, Kubo, 'The dihedral group as a family group' , Quantum field theory and beyond, World Sci. Publ., Hackensack, NJ, (2008), 46--63

  3. [3]

    Y. O. Hamidoune, 'On the subsets product in finite groups' , Europ. J. Combinatorics. 12 (1991), 211--221

  4. [4]

    17 (1978), no

    James, Ioan Mackenzie, On category, in the sense of Lusternik-Schnirelmann , Topology, Elsevier. 17 (1978), no. 4, 331--348

  5. [5]

    84 (1978), no

    Cohen, FR and Taylor, LR, Configuration spaces: applications to Gelfand-Fuks cohomology , Bulletin of the American Mathematical Society, American Mathematical Society. 84 (1978), no. 1, 134--136

  6. [6]

    119 (1988)

    Rotman, Joseph J, An Introduction to Algebraic Topology , Springer Science & Business Media. 119 (1988)

  7. [7]

    Aguilar, Marcelo and Gitler, Samuel and Prieto, Carlos, Algebraic Topology from a Homotopical Viewpoint , Springer Science & Business Media. (2002)

  8. [8]

    140 (2004), no

    Farber, Michael, Instabilities of robot motion , Topology and its Applications, Elsevier. 140 (2004), no. 2-3, 245--266

  9. [9]

    Invitation to topological robotics, European Mathematical Society, 2008

    Farber, Michael. Invitation to topological robotics, European Mathematical Society, 2008

  10. [10]

    Topology of robot motion planning, Morse theoretic methods in nonlinear analysis and in symplectic topology, Springer

    Farber, Michael. Topology of robot motion planning, Morse theoretic methods in nonlinear analysis and in symplectic topology, Springer. (2006), 185--230

  11. [11]

    29 (2003), no

    Farber, Michael, Topological complexity of motion planning , Discrete and Computational Geometry. 29 (2003), no. 2, 211--221

  12. [12]

    Cornea, Octav and Lupton, Gregory and Oprea, John and Tanr \'e , Daniel, Lusternik-Schnirelmann Category , American Mathematical Society. (2003)

  13. [13]

    Topology and its Applications, Elsevier

    Iwase, Norio and Mimura, Mamoru and Nishimoto, Tetsu, Lusternik--Schnirelmann category of non-simply connected compact simple Lie groups . Topology and its Applications, Elsevier. 150 (2005), no. 1-3, 111--123

  14. [14]

    Proceedings of the American Mathematical Society

    Dranishnikov, Alexander, Topological complexity of wedges and covering maps . Proceedings of the American Mathematical Society. 142 (2014), no. 12, 4365--4376

  15. [15]

    Fundamenta Mathematicae, Institute of Mathematics Polish Academy of Sciences

    Iwase, Norio and Miyauchi, Toshiyuki, On Lusternik-Schnirelmann category of SO (10) . Fundamenta Mathematicae, Institute of Mathematics Polish Academy of Sciences. 234 (2016), no. 3, 201--227

  16. [16]

    The topological complexity of the free product

    Dranishnikov, Alexander and Sadykov, Rustam, The topological complexity of the free product . arXiv preprint arXiv:1710.04711. (2017)