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This article notes the growing attractiveness of concepts “borrowed” from chaos theory in organizational studies. Many of these interpretations display sentiments broadly congruent with a “postmodern” approach to organization. Indeed chaos theory itself is presented as part of a similar postmodern shift within natural science. However, these sentiments have been subject to stinging criticism by scientists. Here, the deterministic underpinning of chaos theory is used to show that chaos theory is an entirely modernist enterprise. In this case the indeterministic messages taken by organizational theorists are something of a misunderstanding. Consequently, I discuss whether this is enough to threaten the interdisciplinary status of chaos theory, particularly when it is used in a self-consciously ‘metaphorical’ fashion.

To consider how the approach and work of Heinz von Foerster, among others, can aid psychotherapists.

A family therapist, as every therapist, is caught in the dilemma that (s)he cannot separate what (s)he sees from who (s)he is. One possibility to understand what happens in a therapeutic system is by means of the model of resonance. The therapist observes himself or herself and regards these thoughts and emotions as part of the therapeutic system. (S)he takes part in the reciprocal double binds, i.e. the strategy how each member of a human system s(he) is part of is protecting the worldview of the others by acting in a way, which is reinforcing their worldviews. Thus, a homeostasis is maintained.

Proposes a new systemic approach closer to Ilya Prigogine's work on systems far from equilibrium where chance plays a role helping members of human systems to leave a world of predictability and to enter a universe of freedom and responsibility. Also uses the teachings of Heinz von Foerster about being part of the world and not separated observers. The viewpoint of constructed realities entails freedom and responsibility and is a highly ethical position.

Provides help in understanding how the teachings of Heinz von Foerster, among others, can aid psychotherapists.

Based on the reception of the principle of self-organization, the core of Heinz von Foerster's operational theories, I hypothesize how Heinz von Foerster's theory can be an orientation model for the epistemological problem of complexity. I have chosen this study to demonstrate complexity as an epistemological problem. This is because the question of how order arises - the core problem of complexity - is an epistemological question for which Heinz von Foerster developed an epistemology of self-organization. I do not present new research because HvF already had the complex organization of systems in mind. Rather, I build a critical approach to complexity on the research and work on operational epistemology in HvF.

This article aims to provide an orientation for a philosophical and epistemological understanding of complexity through a reading of Heinz von Foerster's operational theory. The article attempts to establish complexity as an epistemological phenomenon through the following method: (1) a conceptual description of the science of complexity based on the turn to thermodynamic time, (2) a genealogy of complexity going back to the systemic method, and (3) Heinz von Foerster's cybernetic approach to self-organization.

Based on the reception of the principle of self-organization, the core of Heinz von Foerster's operational theories, the conclusion is drawn that complexity as a description is based on language games.

The results present complexity not as an object of science, but as a description that stands for the understanding of complex description.

The hypothesis that complexity is a question of description or observation, i.e. of description for what language serves, has enormous social implications, in that the description of complexes and the recognition of their orders (patterns) cannot be left to algorithmic governmentality, but must be carried out by a social agency.

HvF's operational epistemology can serve as an epistemological model for critical complexity theory.

Considers two main strands of literature. The first deals with the tension between the falsificationist view of how economic know‐ledge could or should be acquired, and the view that economics is a separate, deductive science. The second concerns the metaphors used in economic analysis, the main contrast being between metaphors which involve homeostasis and time reversibility, and those that involve hysteresis and time irreversibility.

Complex systems adapt to survive, but little comparative literature exists on various approaches. Adaptive complex systems are generic, this referring to propositions concerning their bounded instability, adaptability and viability. Two classes of adaptive complex system theories exist: hard and soft. Hard complexity theories include Complex Adaptive Systems (CAS) and Viability Theory, and softer theories, which we refer to as Viable Systems Theories (VSTs), that include Management Cybernetics at one extreme and Humanism at the other. This paper has a dual purpose distributed across two parts. In Part 1, the purpose of this paper is to identify the conditions for the complementarity of the two classes of theory. In Part 2, the purpose is to explore (in part using Agency Theory) the two classes of theory and their proposed complexity continuum.

A detailed analysis of the literature permits a distinction between hard and softer approaches towards modelling complex social systems. Hard theories are human-incommensurable, while soft ones are human-commensurable, therefore more closely related to the human condition. The characteristics that differentiate between hard and soft approaches are identified.

Hard theories are more restrictive than the softer theories. The latter can embrace degrees of “softness” and it is explained how hard and soft approaches can be mixed, sometimes creating Harmony.

There are very few explorations of the relationship between hard and soft approaches to complexity theory, and even fewer that draw in the notion of harmony.

The approach of biocybernetics and non‐equilibrium systems dynamics is used to analyse biological, psychological, anthropological and cultural evolution. Using experimental data, positive feedback of biological activation and Prigogine‐Einstein fluctuation analysis, the energy dissipation equations for biological and anthropological evolution are developed.