Results 11 to 20 of about 19,670,712 (302)

System-of-Systems Complexity [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2013
The global availability of communication services makes it possible to interconnect independently developed systems, called constituent systems, to provide new synergistic services and more efficient economic processes.
Hermann Kopetz
doaj   +4 more sources

The Vegetation-Climate System Complexity through Recurrence Analysis. [PDF]

open access: yesEntropy (Basel), 2021
Multiple studies revealed that pasture grasslands are a time-varying complex ecological system. Climate variables regulate vegetation growing, being precipitation and temperature the most critical driver factors.
Almeida-Ñauñay AF   +4 more
europepmc   +2 more sources

A conceptual system design and managerial complexity competency model [PDF]

open access: yes, 2013
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Complex adaptive systems are usually difficult to design and control.
Amaechi, Austin Oguejiofor
core   +7 more sources

Process Complexity [PDF]

open access: yes, 2021
We develop the ontology of “process complexity” and describe how the dynamics of “becoming” can be framed as the emerging, stabilising, and ultimate dissolving of “patterns of relationships.” By extending traditional complexity thinking through ...
Boulton, Jean
core   +1 more source

Institutional complexity is complexity with an adjective

open access: yes, 2021
A review of the studies on institutional complexity reveals that the many definitions of institutional complexity and related concepts share similarities with the understanding of complexity and complex systems of complexity science. Yet few publications
Papin, Marielle
core   +1 more source

Governing Complexity in World Politics

open access: yes, 2021
Complexity is the new global ontology for world politics. This article summarizes the characteristics of complexity and its implications for informed US state policy making.
Western, Jon, Haas, Peter M
core   +1 more source

Complexity in quantum systems [PDF]

open access: yesPhysical Review E, 1994
We discuss the behavior of a quantum 1/2 spin coupled to a time dependent magnetic field, which can be quasiperiodic or random. For a quasiperiodic field, the time evolution of the system on a coarse grained space has autocorrelation, which does not decay, and positive topological entropy. The information complexity diverges as a stretched exponential,
CRISANTI, Andrea   +4 more
openaire   +3 more sources

Tumor Biochemical Heterogeneity and Cancer Radiochemotherapy: Network Breakdown Zone-Model

open access: yesEntropy, 2022
Breakdowns of two-zone random networks of the Erdős–Rényi type are investigated. They are used as mathematical models for understanding the incompleteness of the tumor network breakdown under radiochemotherapy, an incompleteness that may result from a ...
Argyris Dimou   +2 more
doaj   +1 more source

RETRACTED: Resveratrol Inhibits the Migration and Metastasis of MDA-MB-231 Human Breast Cancer by Reversing TGF-β1-Induced Epithelial-Mesenchymal Transition

open access: yesMolecules, 2019
Metastasis is a major cause of death in patients with breast cancer. In the process of cancer development, epithelial-mesenchymal transition (EMT) is crucial to promoting the invasion and migration of tumor cells.
Yang Sun   +6 more
doaj   +1 more source

Complexity in international society: theorising fragmentation and linkages in primary and secondary institutions

open access: yes, 2021
This article seeks to contribute to theorising the institutional structure of international society by exploring synergies between complex systems thinking and the English School theory of International Relations (IR).
Schmidt, Dennis R.
core   +1 more source

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