RSD4 1A Bloom - History of design’s sense of complexity
Transcript of RSD4 1A Bloom - History of design’s sense of complexity
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A History of Design’s Sense of Complexity
Joshua Bloom PhD Candidate
Carnegie Mellon University
@CYETAIN
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Contentious Fractal Nature
of Complexity Dialectics
@CYETAIN
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Complexity from with (com) entwined (plectere) parts.
Complexity theory, generally, is the study of the structure
(mereology) and behavior of nondeterministic systems
composed of elements interacting dynamically, over time.
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Control/Stability Bounds
Time/Contingency
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Control/Stability
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A thermostat-heater system serves as a canonical example of a first-order cybernetic system, maintaining temperature at a set-point.
-Dubberly
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Given a set of elements, its variety is the number of elements that can be distinguished. Thus the set {g b c g g c } has a variety of 3 letters.
(If two observers differ in the distinctions they can make, then they will differ in their estimates of the variety. Thus if the set is {b c a aC a B a } its variety in shapes is 5, but its variety in letters is 3. We shall not, however, have to treat this complication).
-Ashby
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R’s capacity as a regulator cannot exceed its capacity as a channel for variety
-Ashby
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if a fencer faces an opponent who has various modes of attack available, the fencer must be provided with at least an equal number of modes of defence if the outcome is to have the single value: attack parried. -Ashby
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Simplicity as Minimalism
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self-organization, autopoiesis,
adaptation, and emergence are like
Machines
Nature/ecological, natural, & biological systems
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Componentization
Optimization vs
Dependency
Near-independence of the several component functions of the system should greatly simplify its fitness landscape, so that, at least in the small, the optimum (or good) values of parameters of one subsystem would be rather insensitive to the values for the other subsystems
-Herbert Simon
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Complexity is really a complexity in the surface of the beach, not a complexity in the ant.
-Herbert Simon
Complexity is “Out there”
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Recovery Resilience
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Complicated vs
Complex
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Classical science emphasized order and stability; now, in contrast, we see fluctuations, instability, multiple choices, and limited predictability at all levels of observation
-Ilya Prigogine
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BoundariesProblems
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Every problem interacts with other problems and is therefore part of a set of interrelated problems, a system of problems…. I choose to call such a system a mess.
-Ackoff
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Is/Ought
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BoundsPolitics
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Wicked Problems
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As creatures of bounded rationality, incapable of dealing with the world in all of its complexity, we form a simplified picture of the world, viewing it from our particular organizational vantage point and our organization’s interests and goals.
This frame of reference and information provided by an organization influence strongly the processing and outcomes of decisions.
-Herbert A. Simon
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Politics Rhetoric
Action
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BoundedPolitics
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Bounded rationality. The meaning of rationality in situations where the complexity of the environment is immensely greater than the computational powers of the adaptive system.
-Herbert Simon
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Computational Complexity
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The planning fallacy is that you make a plan, which is usually a best-case scenario. Then you assume that the outcome will follow your
plan, even when you should know better.
Bounded Cognition
We're generally overconfident in our opinions and our impressions and judgments.
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Complexity as a cognitive issue.
Complexity vs Simplicity
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Time/Contingency
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Systems Thinking allows for and often results in atemporal conceptions of
systems
Object-Oriented models with attributes are related via timeless relations
Flux is perceived as the modulation of properties of objects
Always Already Now Next Not Yet
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Chronos
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Kairos
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Arrow of Time
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Obviously, the role of
irreversible process become
much more marked when we
turn to biological or social
phenomena. -Ilya Prigogine
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To understand the historical and futural agency of design the complexity of both design and history need to be exposed and articulated.
-Tony Fry
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The more complex the interactions that knowledge practices unleash, the more likely it is that their effects will not emerge for long periods of time
—Barbara Adam
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A thermostatic transmitter or
system of thermal
telegraphy
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http://markburgess.org/blog_complexity.html
Complexity & self-organization are common words that anyone with some authority could adopt---but they do not always represent the body of theory that has become `complexity theory'. But the value of scientific concepts lies in their having a specific technical meaning, independent of who uses them, and preferably based on measurement.
-Mark Burgess