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Limitation of network inhomogeneity in improving cooperation in coevolutionary dynamics

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Li-Xin Zhong, Tian Qiu

Physics and Society · Submitted 9 Mar 2011

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim Our results indicate that the broadening of connectivity distribution is not always beneficial for cooperation.

how it is stated · hedged possibility 0.95 read the record →

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arXiv ID1103.1756 (version 2)
Pith IDEIT5KQD7, Pith's permanent record of this paper and its review
CitationLi-Xin Zhong, Tian Qiu. "Limitation of network inhomogeneity in improving cooperation in coevolutionary dynamics." arXiv:1103.1756 (2011). https://pith.science/paper/EIT5KQD7
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,210 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.66 · human participants 0.03 · controlled comparison 0.80 · randomized assignment 0.02 · states quantitative result 0.06 · compares with prior results 0.91 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v2. Results and the main claim are underlined; .

Cooperative behavior is common in nature even if selfishness is sometimes better for an individual. Empirical and theoretical studies have shown that the invasion and expansion of cooperators are related to an inhomogeneous connectivity distribution. Here we study the evolution of cooperation on an adaptive network, in which an individual is able to avoid being exploited by rewiring its link(s). Our results indicate that the broadening of connectivity distribution is not always beneficial for cooperation. Compared with the Poisson-like degree distribution, the exponential-like degree distribution is detrimental to the occurrence of a higher level of cooperation in the continuous snowdrift game (CSG).

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 Cooperative behavior is common in nature even if selfishness is sometimes better for an individual. background 1.00 0.03 0.02 asserted 0.99
s1 Empirical and theoretical studies have shown that the invasion and expansion of cooperators are related to an inhomogeneous connectivity distribution. background 1.00 0.04 0.03 asserted 1.00
s2 Here we study the evolution of cooperation on an adaptive network, in which an individual is able to avoid being exploited by rewiring its link(s). contribution 0.89 0.67 0.04 asserted 0.91
s3 Our results indicate that the broadening of connectivity distribution is not always beneficial for cooperation. result 0.97 0.94 0.79 hedged possibility 0.95
s4 Compared with the Poisson-like degree distribution, the exponential-like degree distribution is detrimental to the occurrence of a higher level of cooperation in the continuous snowdrift game (CSG). result 1.00 0.90 0.45 asserted 1.00

What kind of paper the classifier reports this is: simulation study 0.87 · evidence from simulation or computation 0.98.

What was examined, and what was not

sources read
  • arXiv listing abstract v2
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

Cooperative behavior is common in nature even if selfishness is sometimes better for an individual. Empirical and theoretical studies have shown that the invasion and expansion of cooperators are related to an inhomogeneous connectivity distribution. Here we study the evolution of cooperation on an adaptive network, in which an individual is able to avoid being exploited by rewiring its link(s). Our results indicate that the broadening of connectivity distribution is not always beneficial for cooperation. Compared with the Poisson-like degree distribution, the exponential-like degree distribution is detrimental to the occurrence of a higher level of cooperation in the continuous snowdrift game (CSG).

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