IV. Ecosmomics: An Independent, UniVersal, Source Code-Script of Generative Complex Network Systems
Artime, Oriol and Manilo De Domenico. From the Origin of Life to Pandemics: Emergent Phenomena in Complex Systems.. Royal Society Proceedings A. May, 2022. After an historic and topical survey, as the Abstract notes, the University of Padua biophilosophers consider spontaneous appearances from quantum/classical physical realms to life’s evolutionary development and onto social occasions. In each case mathematical principles, criticality phases and complex, dynamic network are seen to have a central role. Some entries are Emergence and Algorithmic Information by P. Abrahao and H. Zenil, Emergence of Functional Information from Multivariate Correlations by C. Adami and C. Nitash, and Emergent Entanglement and Self-Similarity in Quantum Spin Chains by B. Sokolov, et al. Into the 2020s, a strongly evidential presence of consistent universality can be glimpsed from universe to us peoples.
When a large number of similar entities interact among each other and with their environment at a lower phase, unexpected outcomes at higher spatio-temporal scales might spontaneously arise. This nontrivial phenomenon, known as emergence, characterizes a broad range of distinct complex systems -- from physical to biological and social ones -- and is often related to collective behavior. It is ubiquitous from oscillators that synchronize to animate birds flocking or fish schooling. Despite the ample phenomenological evidence of their existence, theoretical questions about emergence remain still unanswered. We offer a general overview and sketch current and future challenges. Our review also introduces this Theme Issue "Emergent phenomena in complex physical and socio-technical systems: from cells to societies", which covers the state of our understandings from life’s origins to the expansive propagation of infectious diseases. (Abstract excerpt)
Aschwanden, Markus, et al. Order Out of Randomness: Self-Organization Processes in Astrophysics. arXiv:1708.03394. Reviewed at length in Systems Cosmology, this is an 18 author, 97 page treatise which could be seen as a premier affirmation of an inherently nonlinear, lively, complexifying cosmic genesis.
Ashtiani, Minoo, et al. A System Survey of Centrality Measures for Protein-Protein Interaction Networks. BMC Systems Biology. 12/80, 2018. Our interest in this entry by bioinformatic theorists with postings in Iran and Germany is to record in 2018 how this biochemical domain can be treated by the same multiplex geometries as neural brains. In reflective regard, we peoples may at last be able to confirm the natural presence from quantum and genomic to cerebral and cosmic realms of a node/link, DNA/AND, universe to human image.
Numerous centrality measures have been introduced to identify “central” nodes in large networks. The availability of a wide range of measures for ranking influential nodes leaves the user to decide which measure may best suit the analysis of a given network. The choice of a suitable measure is furthermore complicated by the impact of the network topology on ranking influential nodes by centrality measures. To approach this problem systematically, we examined the centrality profile of nodes of yeast protein-protein interaction networks (PPINs) in order to detect which centrality measure is succeeding in predicting influential proteins. We studied how different topological network features are reflected in a large set of commonly used centrality measures. (Abstract)
Auffray, Charles, et al. Self-organized Living Systems. Philosophical Transactions of the Royal Society of London A. 361/1125, 2003. After centuries of the reductionist method which identified the components of nature, a new biosystemic paradigm is recommended which can integrate the relational dynamics of living entities and processes. In this view, biology is a science of information in a hierarchical flux, formed by a creative balance between order and chaos.
Azpeitia, Eugenio, et al. Cauliflower Fractal Forms Arise from Perturbations of Floral Gene Networks. Science. 373/192, 2021. A cover image entry by a 14 member biomathematician team with postings in France, Italy, UK, USA, and Spain which further quantifies nature’s innate iterations in kind which serve to form and express such vital geometries. Their novel contribution is to associate their artistry with a genetic source. One is moved again to ask however (whomever) did all this mathematic scriptome get there in the first place. See also Cauliflower and Chaos, Fractals in Every Floret by Sabrina Imbler in the New York Times for July 9, 2021.
Throughout development, plant meristems regularly produce organs in defined spiral, opposite, or whorl patterns. Cauliflowers present an unusual organ arrangement with a multitude of spirals nested over a wide range of scales. How such a fractal, self-similar organization emerges from developmental mechanisms has remained elusive. Combining experimental analyses in an Arabidopsis thaliana cauliflower-like mutant with modeling, we found that curd self-similarity arises because the meristems fail to form flowers but keep the “memory” of their transient passage in a floral state. This study reveals how fractal-like forms may emerge from the combination of key, defined perturbations of floral developmental programs and growth dynamics. (Abstract)
How Nature Works.
New York: Springer,
The late Danish systems scientist provides a succinct account of self-organized criticality poised between order and chaos, a theory which he originated.
Balaban, Valeriu, et al. Quantifying Emergence and Self-Organization of Enterobacter cloacae Microbial Communities. Nature Scientific Reports. 8/12416, 2018. Amongst a flurry of 2018 papers, University of Southern California bioengineers including Paul Bogdan (search) show how nature’s universal complexities are iconically manifest in this prokaryote phase. Once again, a generic process is observed as active, informed agents emerge into complex, modular, nested networks with a collective intelligence. See also Multi-fractal Characterization of Bacterial Swimming Dynamics by this group (Hana Koorehdavoudi, et al) in Proceedings of the Royal Society A (473/2017.0154).
From microbial communities to cancer cells, many such complex collectives embody emergent and self-organising behaviour. Such behaviour drives cells to develop composite features such as formation of aggregates or expression of specific genes as a result of cell-cell interactions within a cell population. Currently, we lack universal mathematical tools for analysing the collective behaviour of biological swarms. To address this, we propose a framework to measure the degree of emergence and self-organisation from scarce spatial data and apply it to investigate the evolution of Enterobacter cloacae aggregates. Multifractal analysis was used to characterise these patterns and calculate dynamics changes in emergence and self-organisation within the bacterial population. (Abstract excerpt)
Bar Yam, Yaneer. Dynamics of Complex Systems. Reading, MA: Addison-Wesley, 1997. Arguably the best introduction to the subject. An 800-page formidable but accessible treatise on complex system dynamics from first principles to protein folding, neural networks, the origin and evolution of life and onto an emerging global civilization.
Baruchi, Itay, et al. Functional Holography of Complex Networks Activity – From Cultures to the Human Brain. Complexity. 10/3, 2005. In a similar way to holographic universe theories (see Quantum Cosmology) Baruchi, along with Vernon Towle and Eshel Ben-Jacob, find that biological and neural networks, in their algorithmic processes, take on the typical properties of a hologram. Here is still another approach which finds nature to be distinguished by the same pattern and process at each scale and instance.
In a similar way to holographic universe theories (see Quantum Cosmology) Baruchi, along with Vernon Towle and Eshel Ben-Jacob, find that biological and neural networks, in their algorithmic processes, take on the typical properties of a hologram. Here is still another approach which finds nature to be distinguished by the same pattern and process at each scale and instance.
Baum, Eric. What Is Thought? Cambridge: MIT Press, 2004. An important book because it purports to do for cognitive science what Ervin Schrodinger’s 1944 classic What Is Life? did for biology and genetics. As corporeal life is known to arise from a molecular information, so evolving brains and mental processes can similarly be attributed to a computational DNA. An original contribution to an algorithmic kind of universe which possesses both a genetic-like source and its manifest, animate, cognitive complexity. This programmatic realm is necessarily very compact so our language is deeply metaphorical because the same "story" repeats everywhere. The brain accomplishes this by a diverse array of subroutine modules, each engaged with the semantic meaning of an analogical world. By these theories, a cerebral and cognitive evolution of the ability to remember, think and learn is traced. A rich, dense work which begs for translation. The multifaceted book is cited elsewhere, check Search.
The book explains in some detail why computer scientists are confident that thought, and for that matter life, arises from the execution of a computer program. The execution of a computer program is always equivalent to pure syntax - the juggling of 1s and 0s according to simple rules. The key question, which has been posed primarily by philosophers, is how syntax comes to correspond to semantics, or real meaning in the world.
Bedau, Mark. Artificial Life: Organization, Adaptation and Complexity from the Bottom Up. Trends in Cognitive Sciences. 7/11, 2003. A good survey not only of ALife but of self-organizing, hierarchical, iterative complex systems.
Bianconi, ginestra, et al. Complex Systems in the Spotlight: Next Steps after the 2021 Nobel Prize in Physics. Journal of Physics: Complexity. 4/010201, 2023. Since this Physics award to Gregory Parisi, a pioneer complexity theorist, recognized this major scientific endeavor and advance since the 1970s, the Queen Mary University of London network expert and this journal editor asked 18 researchers for their past and future opinions. For example, we note GB, Jacob Biamonte, Jurgen Kurths Adilson Motter, Matjaz Perc, Filippo Radicchi, Marta Sales-Pardo and Stefan Thurner. Topical items include a definition of complex systems, looking ahead 20 years, and interdisciplinary aspects. Their comments don’t lend to quotes, but the whole entry is available at this site. See also in this issue an interview by GB of G. Parisi. And with respect to this section and whole site, here is a good instance of the 21st century genesis universe revolution via our prodigious Earthuman progeny going forward to 2030 and beyond.
The 2021 Nobel Prize in Physics recognized the fundamental role of complex systems in the natural sciences. In order to celebrate this milestone, the editorial board of J. Phys. Complexity here reviews its achievements, challenges, and future prospects. To distinguish the voice and the opinion of each editor was asked about ther perspectives and reflections on selected themes. A comprehensive and multi-faceted view of complexity science emerges as a result.
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