Portal:Systems science
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| Complex systems approach |
Systems science is an interdisciplinary field that studies the nature of systems—from simple to complex—in nature, society, cognition, engineering, technology and science itself. To systems scientists, the world can be understood as a system of systems. The field aims to develop interdisciplinary foundations that are applicable in a variety of areas, such as psychology, biology, medicine, communication, business management, engineering, and social sciences.
Systems science covers formal sciences such as complex systems, cybernetics, dynamical systems theory, information theory, linguistics or systems theory. It has applications in the field of the natural and social sciences and engineering, such as control theory, operations research, social systems theory, systems biology, system dynamics, human factors, systems ecology, systems engineering and systems psychology. Themes commonly stressed in system science are (a) holistic view, (b) interaction between a system and its embedding environment, and (c) complex (often subtle) trajectories of dynamic behavior that sometimes are stable (and thus reinforcing), while at various 'boundary conditions' can become wildly unstable (and thus destructive). Concerns about Earth-scale biosphere/geosphere dynamics is an example of the nature of problems to which systems science seeks to contribute meaningful insights.
Selected article -
A writing system is a method of visually representing verbal communication, based on a script and a set of rules regulating its use. A writing system can be visually expressed through symbols and/or images such as Hieroglyphs or the Hieroglyphic Writing System.
While both writing and speech are useful in conveying messages, writing differs in also being a reliable form of information storage and transfer. Writing systems require shared understanding between writers and readers of the meaning behind the sets of characters that make up a script. Without a mutual understanding of the meanings behind both writing and reading, a writing system can be rendered useless. Writing is usually recorded onto a durable medium, such as paper or electronic storage, although non-durable methods may also be used, such as writing on a computer display, on a blackboard, in sand, or by skywriting. Reading a text can be accomplished purely in the mind as an internal process, or expressed orally. (Full article...)Selected picture
The Work Breakdown Structure (WBS) is a means of organizing system development activities based on system and product decompositions. The systems engineering process produces system and product descriptions. These product architectures, together with associated services (e.g., program management, systems engineering, etc.) are organized and depicted in a hierarchical tree-like structure that is the WBS.
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Selected biography -
 Henri Poincaré (photograph published in 1913) |
Jules Henri Poincaré (UK: /ˈpwæ̃kɑːreɪ/, US: stress on last syllable; French: [ɑ̃ʁi pwɛ̃kaʁe] (
listen); 29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science. He is often described as a polymath, and in mathematics as "The Last Universalist", since he excelled in all fields of the discipline as it existed during his lifetime.
Did you know
- ... that the American ecologist Howard T. Odum in 1950 gave a novel definition of ecology as the study of large entities (ecosystems) at the "natural level of integration".
- ... that the anthropologist, linguist, and cyberneticist Gregory Bateson's most noted writings are Steps to an Ecology of Mind (1972) and Mind and Nature (1980).
- ... that American systems theorist Debora Hammond in the new millennium explores new ways of thinking about complex systems that support more participatory forms of social organization?
- ... that the American systems scientist John Nelson Warfield found systems science to consist of a hierarchy of sciences.
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