Simplifying Complexity @BHComplexity Twitter profile

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Simplifying Complexity

6 days

Who would you like to hear from as a guest on our #SimplifyingComplexity podcast? Suggest and tag some guests. Tell us what topics we should cover with them. #ComplexityScience #SystemsThinking #ComplexSystems #ChaosTheory #AgentBasedModeling #ComplexityEconomics

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Simplifying Complexity

@BHComplexity

11 days

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Simplifying Complexity

@BHComplexity

9 months

“The empirical results so far suggest that, despite their apparent complexity, cities on the whole may actually be quite simple.” @BettencourtLuis in “Introduction to Urban Science”

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Simplifying Complexity

@BHComplexity

1 year

1/ Geoffrey West on emergence in complex systems.

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Simplifying Complexity

@BHComplexity

10 months

1/ Walking speed in a city increases as the population rises. From @BettencourtLuis "Introduction to Urban Science - Evidence and Theory of Cities as Complex Systems"

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Simplifying Complexity

@BHComplexity

8 months

1/ Geoffrey West on emergence in complex systems.

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Simplifying Complexity

@BHComplexity

9 months

1/ 'Cities are emergent complex adaptive social network systems resulting from the continuous interactions among their inhabitants, enhanced and facilitated by the feedback mechanisms provided by urban life.' by Geoffrey West

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Simplifying Complexity

@BHComplexity

1 year

1/ The 10 Features of Complex Systems: No 2 - Disorder and diversity "Disorder and diversity: the interactions in a complex system are not coordinated or controlled centrally, and the components may differ."

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Simplifying Complexity

@BHComplexity

1 year

#SimplifyingComplexity Pod Ep 8: @oritpeleg of @CUBoulder , @InsideNatGeo Explorer and Ext Fact of @sfiscience on self-organisation in complex systems: bees and their queen. Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

6 months

1/ Why a reductionist approach doesn't work for complex social systems. From Complex Adaptive Systems by John H. Miller and @Scott_E_Page .

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Simplifying Complexity

@BHComplexity

9 months

1/ One of my favourite ideas in Complexity Science is the 'El Farol Problem' invented by W. Brian Arthur of @sfiscience and Palo Alto Research Center (PARC). It's easy to articulate, but its implications are profound.

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Simplifying Complexity

@BHComplexity

10 months

1/ The Santa Fe approach ( @sfiscience ) to #complexityeconomics . 'Here was this elusive "Santa Fe approach": Instead of emphasizing decreasing returns, static equilibrium, and perfect rationality, as in the neoclassical view,'

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Simplifying Complexity

@BHComplexity

8 months

1/ Cities are dominated by scaling laws that are related to their physical infrastructure, as well as their social and economic quantities. Here's a thread on Geoffrey West's thoughts regarding the underlying structures evident in city life.

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Simplifying Complexity

@BHComplexity

1 month

1/ The 10 Features of Complex Systems: No 2 - Disorder and diversity "Disorder and diversity: the interactions in a complex system are not coordinated or controlled centrally, and the components may differ." Listen to #SimplifyingComplexity for more

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Simplifying Complexity

@BHComplexity

4 months

1/ Prof @Sara_Imari of @asu and @sfi returns on Simplifying Complexity to talk about the Origin of Life, bringing together her previous two topics of information and time. Listen at: Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

9 months

1/ Why a reductionist approach doesn't work for complex social systems. From Complex Adaptive Systems by John H. Miller and @Scott_E_Page .

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Simplifying Complexity

@BHComplexity

8 months

Our latest episode sees the return of @Sara_Imari of @asu & @sfi to talk about TIME. She covers how its definition has changed through history, and why we should re-examine it again Apple Google Spotify

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Simplifying Complexity

@BHComplexity

4 months

Part 2 of our episode with @rorysutherland ( @OgilvyUK ) is out now. To consumers, price is a 'feeling'. Listen at: Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

4 months

Part 2 of our episode with @rorysutherland ( @OgilvyUK ) is out now. This is quite profound... Listen at: Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

1 year

1/ The Santa Fe approach ( @sfiscience ) to #complexityeconomics . 'Here was this elusive "Santa Fe approach": Instead of emphasizing decreasing returns, static equilibrium, and perfect rationality, as in the neoclassical view,'

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Simplifying Complexity

@BHComplexity

2 years

#SimplifyingComplexity Podcast ep 1: David Krakauer @sfiscience discussing why agreeing on a definition of complexity is less important than agreeing on the principles Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

2 years

#SimplifyingComplexity ep 1: David Krakauer @sfiscience discusses pushing scientific disciplines into the background & pulling concepts like computation and information forward. Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

11 months

1/ In the latest eps of Simplifying Complexity, we examine the societal interactions that affect a child's chance of getting ahead in life. We're joined by @JacksonmMatt , William D. Eberle Professor of Economics at @Stanford University, and External Faculty at the @sfiscience .

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Simplifying Complexity

@BHComplexity

30 days

1/ "My interest in chaos began during my graduate studies at UC Santa Cruz, where I became fascinated by the underlying order within seemingly random systems." A thread 👇🧵 @doyne_farmer in Making Sense of Chaos. For more, listen at:

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Simplifying Complexity

@BHComplexity

1 month

Emergence in complex systems happens when individual parts interact, leading to unexpected, large-scale behaviors. It's why simple rules can create intricate ant colonies or how neurons produce consciousness. The whole becomes greater than the sum of its parts. #Complexity

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Simplifying Complexity

@BHComplexity

10 months

1/ @Sara_Imari of @asu and @sfiscience on the relationship between information and energy in complex systems. "Energy and information are kind of similar in the sense that they're both abstract properties,

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Simplifying Complexity

@BHComplexity

6 months

1/ 'Cities are emergent complex adaptive social network systems resulting from the continuous interactions among their inhabitants, enhanced and facilitated by the feedback mechanisms provided by urban life.' by Geoffrey West

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Simplifying Complexity

@BHComplexity

2 months

1/ Our latest guest @doyne_farmer of @TheSmithSchool @INET_Complexity @INETOxford on Chaos Theory. Hear more from Doyne on

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Simplifying Complexity

@BHComplexity

1 year

Karoline Wiesner ( @unipotsdam ) on the 10 features of complex systems. For anyone that wants an introduction to complexity, this is a great place to start! #SimplifyingComplexity Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

7 months

1/ Is there a mathematical law of war? Prof. Neil Johnson on Lewis Fry Richardson's discovery of straight line relationships in wars, starting with World War 1. A thread.

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Simplifying Complexity

@BHComplexity

10 months

1/ Geoffrey West of @sfiscience on some of the astonishing scaling laws that exist in nature – despite all the variety and messiness of life, biology sometimes does draw straight lines.

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Simplifying Complexity

@BHComplexity

5 months

1/ "It seems likely that the biggest progress in the next 50 years may come not from improvements in technology but in psychology and design thinking. A thread on @rorysutherland 's thoughts on why we don't place the same value on psychological solutions as we do on rational ones

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Simplifying Complexity

@BHComplexity

3 months

We interviewed @doyne_farmer last week, the episode will be out in the next couple of months😀

INET Oxford

@INETOxford

3 months

An exciting moment as @doyne_farmer 's new book 'Making Sense of Chaos' has been sent to the printers, ahead of its publication date on 25 April 2024! #Complexity #complexityeconomics

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Simplifying Complexity

@BHComplexity

1 year

1/ The 10 Features of Complex Systems: No 5 - Spontaneous order and self-organisation "Spontaneous order and self-organisation: complex systems exhibit structure and order that arise out of the interactions among their parts."

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Simplifying Complexity

@BHComplexity

1 year

#SimplifyingComplexity Pod Ep 19: @Sara_Imari of @ASU and @sfiscience talks about the critical role 'information' plays in complex systems. Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

5 months

1/ "In short, the world runs on two operating systems." A thread on @rorysutherland 's thoughts in Alchemy on how the world runs on two systems: logical and psycho-logical.

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Simplifying Complexity

@BHComplexity

1 month

Our latest guest on #SimplifyingComplexity is @Gerald_Ashley , who speaks on risk, Knightian Uncertainty, and the importance of understanding whether the issue you're trying to solve is a Puzzle, a Problem, or a Mess. Listen at:

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Simplifying Complexity

@BHComplexity

1 year

1/ The 10 Features of Complex Systems: No 1 "Numerosity: complex systems involve many interactions among many components" "In general how much numerosity is needed depends on the system."

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Simplifying Complexity

@BHComplexity

1 year

Anyone like to take a guess, based on the graphs below, who next week’s guest on Simplifying Complexity is?

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Simplifying Complexity

@BHComplexity

10 months

1/ What we really mean when we say the world is #complex . From 'Embracing Complexity' by Jean G. Boulton, Peter M. Allen and Cliff Bowman.

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Simplifying Complexity

@BHComplexity

6 months

1/ A thread on #agentbasedmodelling from 'Complex Adaptive Systems' by John H. Miller and @Scott_E_Page examining the benefit of a bottom-up approach to modelling a system, as opposed to the more traditional top-down approach.

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Simplifying Complexity

@BHComplexity

7 months

1/ If you rank US cities based on the number of cities that have a certain population size, and then plot them on a log-log scale you get roughly a straight line.

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Simplifying Complexity

@BHComplexity

7 months

1/ On the various kinds of universality and forms of universal behaviour in #complexsystems : 'While the interactions between the components in a network have some particular nature and are governed by the corresponding laws, often we can ignore the details about them,'

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Simplifying Complexity

@BHComplexity

1 year

1/ W. Brian Arthur's thoughts on a new type of science: #complexityscience 'There was profound mystery here: Why is it that simple particles obeying simple rules will sometimes engage in the most astonishing, unpredictable behavior?'

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Simplifying Complexity

@BHComplexity

9 months

1/ "A natural way to bound the system in thinking of creativity is at the skull." "But once you're a card carrying complex systems theorist, you're not tied to classic boundaries." @TylerMarghetis ( @UCMerced & @sfiscience ) examines 'creativity' through a #complexsystems lens

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Simplifying Complexity

@BHComplexity

1 year

1/ W. Brian Arthur on SFI's ( @sfiscience ) achievements in the early days of #complexityscience . 'Fundamentally, he says, he's come to realize that the Santa Fe Institute was and is a catalyst for changes that would have taken place in any case - but much more slowly.'

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Simplifying Complexity

@BHComplexity

6 months

1/ One of my favourite ideas in Complexity Science is the 'El Farol Problem' invented by W. Brian Arthur of @sfiscience and Palo Alto Research Center (PARC). It's easy to articulate, but its implications are profound.

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Simplifying Complexity

@BHComplexity

9 months

Love this

Systems Innovation

@Sys_innovation

9 months

We have found this to be one of the most effective of our graphics for explaining why we need new (system) approaches when dealing with complex systems. You can find this and our other graphics available for use in your teaching and presentations here:

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Simplifying Complexity

@BHComplexity

1 year

This is a fantastic episode of the @sfiscience 's #ComplexityPodcast featuring @DaniSBassett & @perryzurn , as well as @michaelgarfield . Everything you ever wanted to know about #curiosity !

Santa Fe Institute

@sfiscience

1 year

Some people hunt new ideas. Some flutter from one interest to another. Others dance across ruptures in a knowledge network. For our 100th episode of #ComplexityPodcast @DaniSBassett & @perryzurn join us for a trialogue on #curiosity , #NetSci & #Philosophy :

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Simplifying Complexity

@BHComplexity

2 years

Here’s @Sara_Imari and Paul Davis on the role of information in complex systems, particularly life: ‘What we term the “hard problem of life” is the identification of the actual physical mechanism the permits information to gain causal purchase over matter’

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Simplifying Complexity

@BHComplexity

1 year

1/ David Krakauer ( @sfiscience ) on #SimplifyingComplexity talking about the key aspects of intelligence. "So I think of intelligence as being this three-dimensional quality.

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Simplifying Complexity

@BHComplexity

10 months

1/ Many systems involve synchronisation, from the behaviour of semiconductors to the beating of your heart. In this episode we're joined by @oritpeleg ( @CUBoulder , @sfiscience and @InsideNatGeo ) to explore how fireflies synchronise.

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Simplifying Complexity

@BHComplexity

10 months

1/ Geoffrey West of @sfiscienceon why bigger is better in complex systems - as animals get larger, they become more efficient. Double the size of an animal, and you only have to increase it's metabolic rate by 75%. You get a 25% saving.

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Simplifying Complexity

@BHComplexity

2 months

1/ Our latest guest on #SimplifyingComplexity is @doyne_farmer , Baillie Gifford Professor of Complex Systems Science @TheSmithSchool and Director of Complexity Economics @INET_Complexity @INETOxford . Apple: Spotify:

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Simplifying Complexity

@BHComplexity

2 months

1/ @doyne_farmer of @TheSmithSchool @INET_Complexity @INETOxford with his fantastic definition of emergence: “What does it really mean to say that the whole is greater than the sum of its parts?

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Simplifying Complexity

@BHComplexity

10 months

1/ @Sara_Imari of @asu and @sfi using the example of a Hogwart's Lego set to explain the role of information in a complex system. "You can imagine you have a Lego castle, I like to think about Lego Hogwarts because we can all kind of visualise that pretty easily"

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Simplifying Complexity

@BHComplexity

10 months

1/ A thread on #agentbasedmodelling from 'Complex Adaptive Systems' by John H. Miller and @Scott_E_Page examining the benefit of a bottom-up approach to modelling a system, as opposed to the more traditional top-down approach.

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Simplifying Complexity

@BHComplexity

4 months

Guest @BettencourtLuis on #SimplifyingComplexity discusses how cities reduce our interaction costs, which allows us to specialise, thus playing a big role in why cities drive economic prosperity. Listen at:

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Simplifying Complexity

@BHComplexity

10 months

1/ A thread on the multidisciplinary nature of #complexsystems "Clearly complexity science would not be possible without the rest of science, and it involves combining theories from different domains and synthesising tools from various sciences."

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Simplifying Complexity

@BHComplexity

1 year

1/ In the latest episode of our Simplifying Complexity Podcast, I speak to Prof. Neil Johnson about the Sand Pile Model and what makes it so profound.

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Simplifying Complexity

@BHComplexity

2 years

“There is no master neuron in the brain, for example, nor is there any master cell within a developing embryo. If there is to be any coherent behaviour in the system, it has to arise from competition and cooperation among the agents.” John Holland, 1992

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Simplifying Complexity

@BHComplexity

2 months

1/ Siloing in science and the need for more inter-disciplinary research by @doyne_farmer of @TheSmithSchool @INET_Complexity @INETOxford Hear more from Doyne at

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Simplifying Complexity

@BHComplexity

9 months

From an interview with David Krakauer of @sfiscience - Is stupidity the opposite of intelligence? 'So there’s intelligence, there’s genius, there’s stupidity, there’s ignorance, and there’s being wrong. And it’s worth unpacking what each of these might mean.

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Simplifying Complexity

@BHComplexity

2 years

1/ A thread on #agentbasedmodelling from 'Complex Adaptive Systems' by John H. Miller and @Scott_E_Page examining the benefit of a bottom-up approach to modelling a system, as opposed to the more traditional top-down approach.

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Simplifying Complexity

@BHComplexity

1 year

Join us on #SimplifyingComplexity to hear David Krakauer of @sfiscience pull apart what it is that makes us intelligent. Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

4 months

1/ A thread by @BettencourtLuis on developing a theory of cities - from “Introduction to Urban Science” and a guest on Simplifying Complexity ()

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Simplifying Complexity

@BHComplexity

5 months

1/ Our latest episode features @rorysutherland talking about all things complexity science, and the dangers of making decisions under the pretense of non-complexity. Listen at: Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

1 year

1/ A thread on how if you know the population of a city you can estimate the number of gas stations it has. And that's only the beginning of what you can estimate using scaling laws. Here's a thread from Geoffrey West of @sfiscience :

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Simplifying Complexity

@BHComplexity

4 months

1/ If you know the mass of a mammal, you can work out a huge amount of how that mammal will live its life - here's some thoughts from Geoffrey West of @sfiscience , and a past guest on Simplifying Complexity: ).

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Simplifying Complexity

@BHComplexity

2 years

#SimplifyingComplexity ep 2: @TylerMarghetis of @ucmerced and @UCMCogSci discusses the early warning signs that a system is going to tip from one form of behavior to another. Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

1 year

1/ The 10 Features of Complex Systems: No 7 - Robustness "Robustness: the structure and function of complex systems is stable under relevant perturbations."

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Simplifying Complexity

@BHComplexity

1 year

1/ One of my favourite ideas in Complexity Science is the 'El Farol Problem' invented by W. Brian Arthur of @sfiscience and Palo Alto Research Center (PARC). It's easy to articulate, but its implications are profound.

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Simplifying Complexity

@BHComplexity

2 months

1/ Our latest guest @doyne_farmer of @TheSmithSchool @INET_Complexity @INETOxford on the different modelling approaches taken by Neoclassical Economics and Complexity Economics. Hear more from Doyne at

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Simplifying Complexity

@BHComplexity

10 months

1/ David Krakauer ( @sfiscience ) on #SimplifyingComplexity talking about how the things we thought were going to be hard to do with AI have actually proven easy, like playing chess, but things we don't think of as being intelligent have proven very hard, like running.

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Simplifying Complexity

@BHComplexity

10 months

1/ David Krakauer ( @sfiscience ) on #SimplifyingComplexity talking about the role that 'Representation' plays in making us humans intelligent. "Representation goes all the way down into the brain and all the way out into culture.

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Simplifying Complexity

@BHComplexity

4 months

1/ One of my favourite ideas in Complexity Science is the 'El Farol Problem' invented by W. Brian Arthur of @sfiscience and Palo Alto Research Center (PARC) and a guest on Simplifying Complexity () It's easy to articulate but profound in its implications

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Simplifying Complexity

@BHComplexity

1 year

#SimplifyingComplexity Pod Ep 7: W. Brian Arthur of @PARCinc and Ext Prof @sfiscience talks about the early days of the Santa Fe Institute and his work on #complexityeconomics . Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

10 months

'We argue that a system is complex if it has some or all of spontaneous order and self-organisation, nonlinear behaviour, robustness, history and memory, nested structure and modularity, and adaptive behaviour.'

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Simplifying Complexity

@BHComplexity

8 months

1/ A thread on how if you know the population of a city you can estimate the number of gas stations it has. And that's only the beginning of what you can estimate using scaling laws. Here's a thread from Geoffrey West of @sfiscience :

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Simplifying Complexity

@BHComplexity

4 months

1/ People often define life as a self-sustaining chemical system capable of Darwinian evolution, but there are challenges with this definition. A thread from @Sara_Imari of @asu and @sfi and our latest guest on Simplifying Complexity ().

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Simplifying Complexity

@BHComplexity

1 month

1/ The 10 Features of Complex Systems: No 1 "Numerosity: complex systems involve many interactions among many components" "In general how much numerosity is needed depends on the system." Listen to #SimplifyingComplexity for more

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Simplifying Complexity

@BHComplexity

3 months

Why a lot of the perfectly sensible things we do will appear irrational to economists. Hear more from @rorysutherland at:

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Simplifying Complexity

@BHComplexity

10 months

1/ A thread on emergence in #complexsystems "A central idea in complexity science is that complex systems are spontaneous products of their parts and the interactions among them."

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Simplifying Complexity

@BHComplexity

1 year

1/ 'Cities are emergent complex adaptive social network systems resulting from the continuous interactions among their inhabitants, enhanced and facilitated by the feedback mechanisms provided by urban life.' by Geoffrey West

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Simplifying Complexity

@BHComplexity

4 months

Geoffrey West's thoughts on how cities are dominated by scaling laws that are related to their physical infrastructure, as well as their social and economic quantities. Listen to more from Geoffrey on Simplifying Complexity ()

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Simplifying Complexity

@BHComplexity

6 months

1/ W. Brian Arthur on SFI's ( @sfiscience ) achievements in the early days of #complexityscience . 'Fundamentally, he says, he's come to realize that the Santa Fe Institute was and is a catalyst for changes that would have taken place in any case - but much more slowly.'

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Simplifying Complexity

@BHComplexity

9 months

“Of all the different styles of music, I would argue that modern jazz is the closest to a true Complex system and hence closest to the musical equivalent of Complexity.” Neil Johnson in his book 'Simply Complexity'

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Simplifying Complexity

@BHComplexity

1 year

Per Bak on Self Organised Criticality (SOC) in complex systems: “The canonical example of SOC is a pile of sand. A sandpile exhibits punctuated equilibrium behavior, where periods of stasis are interrupted by intermittent sand slides.

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Simplifying Complexity

@BHComplexity

10 months

"It was becoming more and more clear to me that the things I wanted to understand, that I was curious about, that would please me if I found out about them - equilibrium wasn't an important part of any of them" John Holland (from Waldrop's Complexity )

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Simplifying Complexity

@BHComplexity

9 months

1/ Our latest guest #SimplifyingComplexity guest @BettencourtLuis on cities as "social reactors".

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Simplifying Complexity

@BHComplexity

3 months

1/ Is there a mathematical law of war? A thread. Prof. Neil Johnson on Lewis Fry Richardson's discovery of straight line relationships in wars, starting with World War 1. Listen at

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Simplifying Complexity

@BHComplexity

2 years

#SimplifyingComplexity Podcast ep 1: David Krakauer @sfiscience discussing how you develop strategies for different situations by accumulating experience or memories. Apple: Google: Spotify:

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Simplifying Complexity

@BHComplexity

2 years

In this podcast series we explore the underlying principles of #complexity science to better understand how #systems work, and just as importantly, how they fail. Apple Podcasts: Google Podcasts: Spotify:

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Simplifying Complexity

@BHComplexity

9 months

1/ Scientists are often portrayed like it "was just them cogitating, sweating, steam coming out of their ears, and then suddenly they have this eureka insight." "That vision makes it difficult to understand the actual history of science." @TylerMarghetis on #creativity

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Simplifying Complexity

@BHComplexity

1 year

1/ Why a reductionist approach doesn't work for complex social systems. From Complex Adaptive Systems by John H. Miller and @Scott_E_Page .

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Simplifying Complexity

@BHComplexity

7 months

1/ We expect complexity in our lives, but we struggle with it in our science. 'If we look at our own lives, we are happy to conclude that what happens emerges through a complex interplay of chance, choice, the behaviours of others, particular events and decisions,'

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Simplifying Complexity

@BHComplexity

1 year

1/ The 10 Features of Complex Systems: No 3 - Feedback "Feedback: the interactions in complex systems are iterated so that there is feedback from previous interactions on a time scale relevant to the system's emergent dynamics."

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Simplifying Complexity

@BHComplexity

3 months

1/ A thread on how a poor kid can get ahead in life From @JacksonmMatt of @Stanford University and @sfiscience , and recent guest on #SimplifyingComplexity

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Simplifying Complexity

@BHComplexity

1 month

Knightian uncertainty, named after economist Frank Knight, refers to the type of uncertainty that is immeasurable and impossible to calculate. It's different from risk, where probabilities can be assigned. This is a thread. 🧵👇

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Simplifying Complexity

@BHComplexity

1 year

1/ @Sara_Imari of @asu and @sfiscience on the relationship between information and energy in complex systems. "Energy and information are kind of similar in the sense that they're both abstract properties,

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Simplifying Complexity

@BHComplexity

8 months

1/ W. Brian Arthur on getting a stock market computer model working that included booms and busts - and the excitement it brought.

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