Article
Engineering, Mechanical
Ji Quan, Xinyue Chen, Wenjun Yang, Xianjia Wang
Summary: In previous studies, punishment as an incentive mechanism was typically carried out with a fixed probability. However, in a real legal society, recidivists are punished more than first offenders. To address this, we introduce a new form of graded punishment in the spatial public goods game, where the punishment probability changes dynamically based on consecutive defections. Our findings show that graded punishment can effectively solve social dilemmas and promote cooperation better than traditional probabilistic punishment in most cases.
NONLINEAR DYNAMICS
(2023)
Article
Physics, Multidisciplinary
C. Xu, P. M. Hui
Summary: The study examines the evolution of cooperation on three special networks with the same uniform degree but different spatial correlations, revealing that analyzing the last surviving patterns can help understand transitions in cooperative behavior and that the local configuration approximation captures all features observed in numerical simulations. Moreover, the commonly used pair approximation is found to be too crude for quantitative purposes, especially on networks with more complicated spatial correlations.
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2021)
Article
Mathematics, Interdisciplinary Applications
Tianyu Ren, Junjun Zheng
Summary: Altruistic sanctions play a crucial role in promoting cooperation in human society, and introducing a tolerance-based expulsion mechanism can significantly enhance cooperation, stabilize it under negative conditions, and determine the optimal threshold for implementation of expulsion.
CHAOS SOLITONS & FRACTALS
(2021)
Article
Mathematics, Applied
Qing Jian, Xiaopeng Li, Juan Wang, Chengyi Xia
Summary: In this study, a novel donation game model was proposed to investigate the impact of reputation on the evolution of tag-mediated altruistic behaviors. The results indicate that the combination of reputation and tag greatly promotes the evolution of altruistic behaviors within a structured population, and the reputation threshold has a decisive effect on the dominant strategy within the population.
APPLIED MATHEMATICS AND COMPUTATION
(2021)
Article
Physics, Multidisciplinary
Yunxuan Tang, Ming Jing, Yong Yu
Summary: Reward is an effective mechanism for promoting cooperation, and a conditional neutral reward mechanism can help cooperators survive and dominate the system during evolution.
FRONTIERS IN PHYSICS
(2021)
Article
Mathematics, Applied
Xiao Fu, Xuesong Liu, Yuhan Hu, Shaoxu Huang
Summary: Individual interactions are accompanied by changes in emotions, which can influence people's decision-making and the evolution of cooperation in groups. It is important to consider how to apply emotions effectively to promote cooperation. However, emotions in interactions are influenced by both internal and external factors, including an individual's own emotions, their acceptance of external emotions, and the impact of external emotions on the individual.
APPLIED MATHEMATICS AND COMPUTATION
(2023)
Article
Mathematics, Interdisciplinary Applications
Xianjia Wang, Rui Ding, Jinhua Zhao, Wenman Chen, Cuiling Gu
Summary: This paper investigates the impact of inequity aversion on human cooperation and the effectiveness of different types of inequity aversion. The study finds that the presence of inequity aversion can enhance the level of cooperation in a population, and various factors influence the effectiveness of different types of inequity aversion.
CHAOS SOLITONS & FRACTALS
(2022)
Article
Engineering, Mechanical
Hai-Lin Zou, Zi-Chen Deng, Hongyuan Zhou
Summary: This study investigates the irregular vibrations in a circular dielectric elastomer membrane with stiffening under periodic forcing. The existence of chaos is verified through numerical simulations and dynamic analysis, and the important role of stiffening in inducing chaos is revealed.
NONLINEAR DYNAMICS
(2022)
Article
Mathematics
Jose-Cruz Nunez-Perez, Vincent-Ademola Adeyemi, Yuma Sandoval-Ibarra, Francisco-Javier Perez-Pinal, Esteban Tlelo-Cuautle
Summary: This paper applies three optimization algorithms to enhance the behavior of the fractional order chaotic Chen system, achieving higher maximum Lyapunov exponents with DE algorithm performing the best. The chaotic behavior of the fractional order Chen system is found to be multifaceted with respect to parameter and fractional order values, and the optimized systems show shorter prediction times compared to a hyper-chaotic system, suitable for secure communication and random number generation applications. Halstead parameters measure the complexity of the implemented optimization algorithms, with IWO having the simplest implementation.
Article
Mathematics, Applied
Wei Chen, Jianwei Wang, Fengyuan Yu, Jialu He, Wenshu Xu, Rong Wang
Summary: Research has shown that the presence of non-competitive individuals contributes to promoting cooperation in the system, while emotional cumulative length plays a key role in overall cooperation, with the cooperation rate of competitive individuals peaking at an intermediate value of emotional cumulative length.
APPLIED MATHEMATICS AND COMPUTATION
(2021)
Article
Mathematics, Interdisciplinary Applications
Mie Wang, HongWei Kang, Yong Shen, XingPing Sun, QingYi Chen
Summary: The research discusses the evolution of cooperation in spatial public goods games with alliance strategy on a square lattice network. Alliance players demonstrate the ability to clear out defectors by providing aid to their exploited allies. However, the level of cooperation is influenced by the intensity of aid and synergy factor.
CHAOS SOLITONS & FRACTALS
(2021)
Article
Multidisciplinary Sciences
Marcus Frean, Stephen Marsland
Summary: Helping strangers at a cost is difficult to justify from the perspective of natural selection, but reputational scoring and mutual consent can enable cooperation without oversight. The most successful strategy resembles token exchange in money transactions but is not physically realizable in a decentralized way. When conservation of score is enforced, more money-like strategies dominate.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2023)
Article
Materials Science, Multidisciplinary
Yuhua Zhang, Silong Quan, Guoquan Liu
Summary: The study introduces a modified Duffing detection system to detect weak nonlinear signals in nonlinear ultrasonic experiments, evaluating fatigue damage through maximum Lyapunov exponent and phase trajectory change, resulting in a damage index method that correlates with fatigue damage of metallic specimens.
RESULTS IN PHYSICS
(2021)
Review
Engineering, Mechanical
Jungang Wang, Zijie Luo, Zheng'ang Shan, Yong Yi
Summary: This study investigates the influence of thermal effect and multiple nonlinear factors on the chaotic characteristics of planetary gear systems. The results show that the chaotic motion of the system is weakened under higher temperature and larger damping ratio, which has a significant effect on improving the system's stability. These findings provide important references for the development of gear systems.
JOURNAL OF VIBRATION ENGINEERING & TECHNOLOGIES
(2023)
Article
Mathematics
Xiongxiong Du, Xiaoling Han, Ceyu Lei
Summary: This paper studies the stability and bifurcation analysis of a class of discrete-time dynamical system with capture rate. Through numerical simulations, it is found that the system not only has flip bifurcation and Hopf bifurcation, but also exhibits chaotic orbital sets.
Article
Biology
Alex McAvoy, Christoph Hauert
JOURNAL OF MATHEMATICAL BIOLOGY
(2016)
Article
Multidisciplinary Sciences
Alex McAvoy, Christoph Hauert
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2016)
Article
Ecology
Chaitanya S. Gokhale, Christoph Hauert
THEORETICAL POPULATION BIOLOGY
(2016)
Review
Ecology
Jennifer E. Smith, Sergey Gavrilets, Monique Borgerhoff Mulder, Paul L. Hooper, Claire El Mouden, Daniel Nettle, Christoph Hauert, Kim Hill, Susan Perry, Anne E. Pusey, Mark van Vugt, Eric Alden Smith
TRENDS IN ECOLOGY & EVOLUTION
(2016)
Article
Ecology
Alex McAvoy, Christoph Hauert
THEORETICAL POPULATION BIOLOGY
(2017)
Article
Ecology
Alex McAvoy, Nicolas Fraiman, Christoph Hauert, John Wakeley, Martin A. Nowak
THEORETICAL POPULATION BIOLOGY
(2018)
Article
Multidisciplinary Sciences
Lucas Wardil, Christoph Hauert
Article
Biology
Christoph Hauert, Camille Saade, Alex McAvoy
JOURNAL OF THEORETICAL BIOLOGY
(2019)
Article
Biology
Shahab Zareyan, Sarah P. Otto, Christoph Hauert
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2019)
Article
Biochemical Research Methods
Felix Funk, Christoph Hauert
PLOS COMPUTATIONAL BIOLOGY
(2019)
Article
Multidisciplinary Sciences
Paul Ibbotson, Christoph Hauert, Richard Walker
SCIENTIFIC REPORTS
(2019)
Article
Biochemical Research Methods
Gil Jorge Barros Henriques, Koichi Ito, Christoph Hauert, Michael Doebeli
Summary: Evolutionary branching occurs when frequency-dependent selection causes a population with a unimodal phenotype distribution to diversify into multiple strains. Simultaneous evolutionary changes in several traits results in divergence in different phenotypic directions. Research shows that branching preferentially occurs perpendicular to the direction of approach to the branching point, driven by feedback between selection and the phenotypic distribution. This feedback ultimately affects the evolutionary equilibrium and can promote division of labor in certain scenarios.
PLOS COMPUTATIONAL BIOLOGY
(2021)
Article
Multidisciplinary Sciences
Christoph Hauert, Michael Doebeli
Summary: This study examines the diversification of cooperative investments in social dilemmas in different population structures, finding that spatial structure has significant and varied impacts on evolutionary diversification.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Biochemical Research Methods
Alex McAvoy, Andrew Rao, Christoph Hauert
Summary: This study examines natural axioms for modeling intermediate selection intensities in evolving populations, showing that there exists a balance between drift and selection that allows for the evolution of prosocial traits. The research demonstrates the sensitivity of evolutionary dynamics to these forces and highlights the importance of considering intermediate selection intensities in evolutionary models. The findings indicate that there can be a sweet spot for the balance of drift and selection in promoting the emergence and spread of altruistic behaviors.
PLOS COMPUTATIONAL BIOLOGY
(2021)
Article
Physics, Fluids & Plasmas
Christoph Hauert, Jacek Miekisz
Article
Biology
Iain Hunter, Raz Leib
Summary: Natural movement is related to health, but it is difficult to measure. Existing methods cannot capture the full range of natural movement. Comparing movement across different species helps identify common biomechanical and computational principles. Developing a system to quantify movement in freely moving animals in natural environments and relating it to life quality is crucial. This study proposes a theoretical framework based on movement ability and validates it in Drosophila.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Andy Gardner
Summary: Fisher's geometric model is a useful tool for predicting key properties of Darwinian adaptation, and here it is applied to predict differences between the evolution of altruistic versus nonsocial phenotypes. The results suggest that the effect size maximizing probability of fixation is smaller in the context of altruism and larger in the context of nonsocial phenotypes, leading to lower overall probability of fixation for altruism and higher overall probability of fixation for nonsocial phenotypes.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Thomas F. Pak, Joe Pitt-Francis, Ruth E. Baker
Summary: Cell competition is a process where cells interact in multicellular organisms to determine a winner or loser status, with loser cells being eliminated through programmed cell death. The winner cells then populate the tissue. The outcome of cell competition is context-dependent, as the same cell type can win or lose depending on the competing cell type. This paper proposes a mathematical framework to study the emergence of winner or loser status, highlighting the role of active cell death and identifying the factors that drive cell competition in a cell-based modeling context.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Haruto Tomizuka, Yuuya Tachiki
Summary: Batesian mimicry is a strategy in which palatable prey species resemble unpalatable prey species to avoid predation. The evolution of this mimicry plays a crucial role in protecting the unpalatable species from extinction.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Jason W. Olejarz, Martin A. Nowak
Summary: Gene drive technology shows potential for population control, but its release may have unpredictable consequences. The study suggests that the failure of suppression is a natural outcome, and there are complex dynamics among wild populations.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Hamid Ravaee, Mohammad Hossein Manshaei, Mehran Safayani, Javad Salimi Sartakhti
Summary: Gene expression analysis is valuable for cancer classification and phenotype identification. IP3G, based on Generative Adversarial Networks, enhances gene expression data and discovers phenotypes in an unsupervised manner. By converting gene expression profiles into images and utilizing IP3G, new phenotype profiles can be generated, improving classification accuracy.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Beatrix Rahnsch, Leila Taghizadeh
Summary: This study forecasts the evolution of the COVID-19 pandemic in Germany using a network-based inference method and compares it with other approaches. The results show that the network-inference based approach outperforms other methods in short-to mid-term predictions, even with limited information about the new disease. Furthermore, predictions based on the estimation of the reproduction number in Germany can yield more reliable results with increasing data availability, but still cannot surpass the network-inference based algorithm.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Rongsheng Huang, Qiaojun Situ, Jinzhi Lei
Summary: Maintaining tissue homeostasis requires appropriate regulation of stem cell differentiation. Random inheritance of epigenetic states plays a pivotal role in stem cell differentiation. This computational model provides valuable insights into the intricate mechanism governing stem cell differentiation and cell reprogramming, offering a promising path for enhancing the field of regenerative medicine.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Patrick Vincent N. Lubenia, Eduardo R. Mendoza, Angelyn R. Lao
Summary: This study compares insulin signaling in healthy and type 2 diabetes states using reaction network analysis. The results show similarities and differences between the two conditions, providing insights into the mechanisms of insulin resistance, including the involvement of other complexes, less restrictive interplay between species, and loss of concentration robustness in GLUT4.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Nuverah Mohsin, Heiko Enderling, Renee Brady-Nicholls, Mohammad U. Zahid
Summary: Mathematical modeling is crucial in understanding radiobiology and designing treatment approaches in radiotherapy for cancer. This study compares three tumor volume dynamics models and analyzes the implications of model selection. A new metric, the point of maximum reduction of tumor volume (MRV), is introduced to quantify the impact of radiotherapy. The results emphasize the importance of caution in selecting models of response to radiotherapy due to the artifacts imposed by each model.
JOURNAL OF THEORETICAL BIOLOGY
(2024)
Article
Biology
Armindo Salvador
Summary: Michael Savageau's Biochemical Systems Analysis papers have had a significant impact on Systems Biology, generating core concepts and tools. This article provides a brief summary of these papers and discusses the most relevant developments in Biochemical Systems Theory since their publication.
JOURNAL OF THEORETICAL BIOLOGY
(2024)