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IV. Ecosmomics: Independent Complex Network Systems, Computational Programs, Genetic Ecode Scripts

1. Network Physics: A Vital Interlinked Anatomy and Physiology

Li, Aming, et al. Evolution of Cooperation on Temporal Networks. Nature Communications. 11/2259, 2020. By a novel application of network science to social activities, an eight person team from Peking University, Northeastern University, Harvard Medical School and Princeton University (Simon Levin) illuminates a deeper natural basis for beneficial behaviors to both members and groups. As the quotes says, these heretofore unknown features can aid better explanations and usage.

Population structure is a key determinant in fostering cooperation among naturally self-interested individuals in microbial populations, social insect groups, and human societies. Prior research has focused on static structures, and yet most interactions are changing in time and form a temporal network. Surprisingly, we find that network temporality actually enhances the evolution of cooperation relative to comparable static networks, despite the fact that bursty interaction patterns generally impede. We resolve this tension by a measure which quantifies the amount of temporality in a network, so to reveal an intermediate level that boosts cooperation. (Abstract excerpt)

Explaining the evolution of durable, widespread cooperative behaviour in groups of self-interested individuals has been a challenge since the time of Darwin. In response, researchers have turned to the critical role played by the underlying interaction networks, in which nodes represent individuals and links represent interactions. It has been shown that the nontrivial population structures represented by both homogeneous and heterogeneous networks permit the formation of stable clusters of cooperators (altruists), with higher individual payoffs while also resisting defectors (egoists). As such, both theoretical analysis and behavioural experiments point to network structure as a key ingredient for the emergence of cooperation. (2)

Li, Angsheng, et al. Discovering Natural Communities in Networks. Physica A. Online May, 2015. We note this paper amongst many to exemplify a robust maturity of complexity system science. Chinese Academy of Sciences, Beijing, theorists treat these pervasive relational formations as an independent, universal phenomena from which generic principles and properties can be identified. The upshot would be to wonder where does this dynamic mathematical geometry come from, what kind of a universe to human self-realizing procreation?

Natural or true communities are basic to many interacting systems in nature, society and networks. Identifying and analyzing natural communities of real world networks are essential to understanding the networks, with potential applications in understanding, for instance: the roles and functions of the modules of social and technological systems, the roles and mechanisms of social groups in nature and society, the mechanisms of group intelligence, the mechanisms of interacting learning and games among social groups, diagnosing and curing of complex diseases, and designing of new medicines etc. Our algorithm provides for the first time a method which may exactly identify or precisely approximate the natural or true communities of many real world networks and interacting system in nature and society. (2)

Liu, Chuang, et al. Computational Network Biology. Physics Reports. December, 2019. A seven member international team posted in China, Switzerland and the USA (Ruth Nussinov, National Cancer Institute) provide an 80 page tutorial across scientific techniques and real applications as life’s intricate anatomy and physiology becomes understood by these revolutionary 2010s features.

Biological entities are involved in intricate and complex interactions, in which uncovering the biological information from the network concepts are of great significance. In this review, we summarize the recent developments of this vital, copious field, first introducing various types of biological network structural properties. We then review the network-based approaches, ranging from metrics to machine-learning methods, and how to use these algorithms to gain new insights. We highlight the application in neuroscience, human disease, and drug developments and discuss some major challenges and future directions. (Abstract excerpt)

Liu, Jin-Long, et al. Fractal and Multifractal Analyses of Bipartite Networks. Nature Scientific Reports. 7/45588, 2017. As nature’s webworks from condensed matter to Internet cultures become evident and quantified, Key Laboratory of Intelligent Computing and Information Processing of Ministry of Education and Hunan Key Laboratory for Computation and Simulation in Science and Engineering, Xiangtan University, China researchers finesse their iconic complexities. Our interest is then a pervasive presence of a universal repetition in kind of one common code motif comprised of archetypal nodal and connective (gender) complements. See also for example in this journal SO2 Emissions in China – Their Network and Hierarchical Structures for another take (Shaomin Yan & Guang Wu, 2017).

Bipartite network, as a special kind of complex networks, has also attracted a great deal of attention from researchers in the fields of scientific research, engineering application, e-commerce, etc. The difference with the unipartite networks is the fact that the nodes of a bipartite network can be separated into two classes and its edges exist only between nodes of different classes. In real world, there are many systems, which can be modeled naturally by a bipartite network, such as the metabolic network, the human sexual network, actor-movie network, scientist-paper network, web-user network, and so on. (1)

Although a lot of research works have been done on the study of bipartite networks, there is no a systematic framework for it compared with the unipartite networks. It is well known that, after the small-world character and scale-free property, self-similarity has become the third basic characteristic of complex networks. Many complex networks such as the World-Wide-Web, social networks, protein-protein interaction networks (PINs), and cellular networks consist of self-repeating patterns. (1)

Liu, Xueming, et al. Network Resilience. arXiv:2007.14464. Six theorists from Chinese Universities and Rensselaer Polytechnic Institute including Jianxi Gao and Boleslaw Szymanski post a 113 page, 859 reference 2020 tutorial about this pervasive ability of natural node/link complexities to restore and maintain themselves. Typical sections are Tipping Points in Ecological Networks, Phase Transitions in Biological Networks, Behavior Transitions in Animal and Human Networks and Resilience, Robustness and Stability. In the midst of epochal perils, this entry reports a concurrent worldwise finding of a revolutionary genesis ecosmos with its own bigender genomic code.

Many systems on our planet are known to shift abruptly and irreversibly from one state to another when they are forced across a "tipping point," such as mass extinctions in ecological networks, cascading failures in infrastructure systems, and social convention changes in human and animal networks. Such a regime shift demonstrates a system's ability to adjust activities so to retain its basic functionality in the face of internal or external changes. Only in recent years by way of network theory and lavish data sets, have complexity scientists been able to study real-world multidimensional systems, early warning indicators and resilient responses. This report reviews resilience function and regime shift of complex systems in domains such as ecology, biology, social systems and infrastructure. (Abstract excerpt)

The nature and the world in which we live are filled with changes and crises. Examples are the global pandemic of the novel coronavirus, the catastrophe in east Africa caused by the infestation by desert locusts, and the 2019 bushfire in Australia that burned through some 10 million hectares of land. In addition, these threats and crisises are not independent but related with one another. For example, the Australia bushfire and locust swarms are linked to the oscillations of the Indian Ocean Dipole, which is one aspect of the growing of the global climate change. How the nature or societies response to such threats and crises is defined by their resilience, which characterizes the ability of a system to adjust its activity to retain its basic functionality in the face of internal disturbances or external changes. (2)

Mac Carron, Padraig and Ralph Kenna. Universal Properties of Mythological Networks. Europhysics Letters EPL. 99/28002, 2012. Reported more in Universality, Coventry University physicists apply condensed matter theories in the form of complex systems to the historic corpus of epic fabled and storied mythic literatures. The second quote is a also exemplifies how such papers now open as the range and reach of nonlinear phenomena extends across every natural and social domain. As a result, a true cosmos to culture “universality” is at last becoming evident and proven.

Mariani, Manuel, et al. Nestedness in Complex Networks: Observation, Emergence, and Implications. Physics Reports. Volume 813, 2019. Ecological theorists based in China and Switzerland including Jordi Bascompte post a 140 page, 400 reference affirmation of nature’s evolutionary developmental genesis, as long sensed, by way of combining smaller entities (biomolecules, cells, species) within larger, reciprocally beneficial, whole systems. Akin to the major transitions scale and others, life’s long recurrent emergence from microbes to meerkats to a metropolis gains its 2020 sophisticated mathematical quantification.

The observed architecture of ecological and socio-economic networks differs significantly from that of random networks. From a network science standpoint, non-random structural patterns observed in real networks calls for an explanation of their emergence and systemic consequences. This article focuses on one of these patterns: nestedness. Given a network of interacting nodes, nestedness is a tendency for nodes to interact with subsets of the interaction partners of better-connected nodes. Nestedness has been found in diverse as ecological mutualistic organizations, world trade, inter-organizational relations, among many other areas. We survey results from variegated disciplines, including statistical physics, graph theory, ecology, and theoretical economics. (Abstract excerpt)

Perhaps one of the most intriguing features of real networks is the existence of common structural and dynamical patterns in a large number of systems from various domains of science, nature, and technology. The pervasiveness of structural patterns from various fields makes it possible to analyze them with a common set of tools. A popular example of such widespread patterns is the heavy-tailed degree distribution. Power-law degree distributions (often termed as ‘‘scale-free") have been reported in many different systems, ranging from social and information networks to protein–protein interaction networks. The ubiquity of heavy-tailed degree distributions has motivated studies aimed at unveiling plausible mechanisms that explain their emergence, understanding their implications for spreading, network robustness, synchronization phenomena, etc. (3)

Masucci, Adolfo, et al. Extracting Directed Information Flow Networks. Physical Review E. 83/026103, 2011. Researchers from Spain and Greece identify a universally applicable, seemingly independent, feature of complex systems in repetitive evidence across widely separate domains of genomic webs and the worldwide web. See also Masucci, et al “Wikipedia Information Flow Analysis Reveals the Scale-Free Architecture of the Semantic Space” in PLoS One (6/2, 2011).

We introduce a general method to infer the directional information flow between populations whose elements are described by n-dimensional vectors of symbolic attributes. The method is based on the Jensen-Shannon divergence and on the Shannon entropy and has a wide range of application. We show here the results of two applications: first we extract the network of genetic flow between meadows of the seagrass Poseidonia oceanica, where the meadow elements are specified by sets of microsatellite markers, and then we extract the semantic flow network from a set of Wikipedia pages, showing the semantic channels between different areas of knowledge. (026103)

Millan, Ann, et al. Topology shapes dynamics of higher-order networks. Nature Reviews Physics. February, 2025. System physicists in Spain, Sweden, Japan, the USA, UK, Belgium and Germany including Filippo Radicchi and Ginestra Bianconi add a further finesse to our Earthuman understandings of nature’s reticulate anatomy and metabolism which can apply to hyper intricate phases of world weather and deep neural learnings.

Higher-order networks capture the many-body interactions present in complex systems. The new theory of topological dynamics can enhance our understanding of such areas as climate phenomena and AI algorithms. It encodes the dynamics of a network through topological signals assigned not only to nodes but also to edges, triangles and cells. Recent findings show that topological signals lead to the emergence of distinct types of dynamical state and collective phenomena including pattern formation and percolation. These results offer insights into how topology shapes dynamics and how dynamics learns topology. (Excerpt)

Miranda, Manuel, et al. What Is in a Simplicial Complex? A Metaplex-Based Approach to Its Structure and Dynamics. Entropy. 25/12, 2023. As an example of how research studies continue to finesse their subject field, in a special Models, Topology and Inference of Multilayer and Higher-Order Networks issue edited by Ginestra Bianiconi, Institute of Cross-Disciplinary Physics and Complex Systems, IFISC (UIB- CSIC), Spain and Universitat Politècnica de Catalunya, Barcelona system theorists including Ernesto Estrada take these title features to a further insightful dynamic dimension. As these anatomy/physiology-like formations are increasingly found everywhere, they serve to add more evidence of a procreative organic genesis.

Geometric realization of simplicial complexes makes them a unique representation of complex systems. But local continuous spaces at the simplices level with global connectivity makes their analysis as dynamical systems on simplicial complexes a difficult.. Here, we generalize the concept of metaplexes to embrace that of geometric simplicial complexes, which includes the dynamical systems. A metaplex is formed by a continuous space interconnected of sinks and sources controlled by discrete (graph) operators. We study their generalities and apply it to a real-world simplicial complex representing the visual cortex of a macaque. (Excerpt)

Mizutaka, Shogo. Simple Model of Fractal Networks formed by Self-Organized Critical Dynamics. arXiv:1806:05397. An Ibaraki University, Japan mathematician proposes an affinity of universal self-similarity with nature’s propensity to seek and favor this most effective viable poise. See also Fractality and Degree Correlations in Scale-Free Networks in the European Physical Journal B (90/Art. 126, 2017).

In this paper, a simple dynamical model in which fractal networks are formed by self-organized critical (SOC) dynamics is proposed; the proposed model consists of growth and collapse processes. It has been shown that SOC dynamics are realized by the combined processes in the model. Thus, the distributions of the cluster size and collapse size follow a power-law function in the stationary state. Moreover, through SOC dynamics, the networks become fractal in nature. The criticality of SOC dynamics is the same as the universality class of mean-field theory. The model explains the possibility that the fractal nature in complex networks emerges by SOC dynamics in a manner similar to the case with fractal objects embedded in a Euclidean space. (Abstract)

Mokhlissi, Raihana, et al. The Structural Properties and Spanning Trees Entropy of the Generalized Fractal Scale-Free Lattice. Journal of Complex Networks. Online August, 2019. RM, Dounia Lotfi, and Mohamed El Marraki, Mohammed V University, Rabat, Morocco and Joyati Debnath, Winona State University, USA mathematicians post a sophisticated description of nature’s innate geometries. While invisible, their linkages are truly present as they unite and vivify all the overt objects and entities.

Enumerating all the spanning trees of a complex network is theoretical defiance for mathematicians, electrical engineers and computer scientists. In this article, we propose a generalization of the Fractal Scale-Free Lattice and study its structural properties. As its degree distribution follows a power law, we prove that the proposed generalization does not affect the scale-free property. In addition, we use equivalent transformations to count the number of spanning trees in the generalized Fractal Scale-Free Lattice. Finally, in order to evaluate the robustness of the generalized lattice, we compute and compare its entropy with other complex networks. (Abstract)

Dr. Joyati Debnath is a Full Professor of Mathematics and Statistics at Winona State University. She received an M. S. in Pure Mathematics and Ph. D. in Applied Mathematics from Iowa State University. She received numerous Honors and Awards including the Best Teaching Award from Iowa State University, and the Outstanding Woman of Education Award. Dr. Debnath has research interest in the areas of Topological Graph Theory, Integral Transform Theory, Partial Differential Equations and Boundary Value Problem, Associations of Variables, Discrete Mathematics, and Software Engineering Metrics. (WSU page)

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