Complexity-Simon-PresentationPart2

Complexity-Simon-PresentationPart2 - Architecture of...

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Click to edit Master subtitle style Architecture of Complexity Bryan Tran , Matt Kokidko, Dani Judd, Jorge Rivas, A. Bell
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Introduction Abstractly states some of the common properties that physical, biological, and social systems have in common Tries to cast some light on how complexity can be found in natures without relating it to any particular field of study
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Hierarchical System “complexity frequently takes the form of hierarchy, and that hierarchic systems have some common properties that are independent of their specific content” Complex System in which each of the subsystems is subordinated by an authority relation to the system it belongs to.
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Social Systems Formal Organization Families (Elementary unit) Villages, tribes Business firms, governments, universities Grouping is defined by “some measure of frequency of interaction in this sociometric matrix”
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Biological and Physical Systems Cell as a building block Tissues Organs Systems of Organs Cell Cell Membrane Microsomes Mitochondria » … etc
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Biological and Physical Systems Elementary units or complex system? Gasses Diamonds Span of Control – number of subordinates who report directly to the boss Flat hierarchy – having a wide span of control at one level but not on the next level Physical and biological hierarchies
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Symbolic Systems Book Chapters Paragraphs Sentences » Words Music Movements Parts Themes » Phrases
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Further the point of hierarchy: Higher Level Languages Java Primitives Functions Classes » Groups of Classes with inheritance » Programs
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Evolution of Complex Systems
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Watchmaker Parable There are two watchmakers, Tempus and Hora. Both make fine watches and are highly regarded by their customers, who call them constantly. But Hora prospered, while Tempus went out of business. Why?
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Watchmaker Parable, cont. Each watchmaker had different ways of constructing watches. Tempus designed his watch so that if he had a watch partially assembled and he had to put down the watch and answer the phone, the watch fell apart. Hora designed his watch so that he could put together subassemblies of 10 parts. These subassemblies in turn could be put together into 10 larger subassemblies, which when put together made up the watch. If interrupted by the phone, Hora only lost the subassembly.
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Which way was faster? p is the probability of being interrupted while adding a single part. For Tempus, the probability of completing 1 watch is (1 – p)^1000, i.e. a really small chance. On average, each interruption costs the amount of time needed to assemble 1/p parts. For Hora, he has to complete 111 subassemblies
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Complexity-Simon-PresentationPart2 - Architecture of...

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