"#Emergence, #SelfOrganization, & #Complexity"

🧵 In today's SFI Seminar, Visiting Scholar @cgershen presents the second in his series of talks on core concepts in #ComplexSystems science, streaming now:

"In high school #physics class you are taught that with the initial conditions of a system, you can predict its future states. In #complexity, this is not so...it means #reductionism is not appropriate, #Platonism is not appropriate..."
- @cgershen
"You can see a layer of circuits computing something. What is it computing? Itself. In a 248x248 array, you can program the #GameOfLife inside the game of life. Computers allow us to explore #Complexity, and it's no surprise complexity became a science in the 1980s."
- @cgershen
@cgershen "The components of the cells are not #alive, but the cells ARE alive. Where does the life come from? Where does our MIND come from? It seems #life and #mind are not properly defined, but there are other examples where it becomes clear what we mean by #emergence."
- @cgershen
"The same systems can be considered self-organizing or self-DISorganizing, by the same observer. It depends."

@Cgershenson showing research into #traffic lights, #AutonomousVehicles, and #PublicTransit:
Building on #ClaudeShannon to find information measures of complexity, emergence, self-organization, #homeostasis, and #autopoiesis:

"Complexity can be seen as a balance between emergence and self-organization."
- @cgershen

#OpenAccess paper link:
arxiv.org/abs/1304.1842
@cgershen "15 years ago, I wrote this book. I asked, what do you think will be the future of #complexity? There were more or less evenly-distributed three camps: one group said it's an established #science; one said it's a #protoscience; some said it's just a bunch of methods."
- @cgershen

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More from @sfiscience

Oct 25
Cormac McCarthy spent the last quarter century writing his novels at SFI. In this documentary from December 2017, Cormac in conversation with SFI President David Krakauer, reflects on isolation, mathematics, character, and the nature of the unconscious:
In anticipation of Cormac McCarthy’s newest books, “The Passenger” and “Stella Maris” (@AAKnopf, 2022), former SFI Miller Scholar @deepsurvivalsm0 recollects McCarthy’s long and ongoing friendship with SFI:

santafe.edu/news-center/ne… Image
"Until recently the writer could be heard at SFI, clattering away on his portable typewriter from behind his office door. An affable member of this community, he would regularly emerge for afternoon tea or attend talks by SFI scholars."

More at @guardian:
theguardian.com/books/2022/oct…
Read 4 tweets
Oct 22
🚀 We are live! Here is the correct streaming link for all of today's discussions and performances, starting with a panel on complex time with David Krakauer, James Gleick, Ted Chiang, and David Wolpert in a few moments (measured linearly...):

#IPFest
"One of the ideas we had with #InterPlanetary was, 'What would it take to make science hedonistic? And instead of telling people to do it, you'd have to tell people to STOP doing it?"

- SFI President David Krakauer sets the tone for this weekend's celebrations
#IPFest Image
David Krakauer: "Do you have a favorite model or metaphor for #time?"

@JamesGleick: "You've already mentioned a river; that's everybody's favorite. Borges said time is a tiger. People talk about it as a thread. We ONLY talk about time in metaphors." Image
Read 141 tweets
Oct 19
"Harnessing #SocialCapital to Enhance Collective Welfare" — our final Community Lecture of the season, starting in a few moments (7:30 pm Mountain).

Follow this 🧵 for highlights from the panel, and tune in to the YouTube stream:



#Economics #Inequality
In 2009 @TIME named @NAChristakis of @Yale, one of our panelists tonight, one of the top 100 most influential people in the world. His clever experiments examine the spread of altruism, emotions, & health behaviors in both virtual & real-world settings.

humannaturelab.net/people/nichola…
Our next panelist, SFI Ext Prof @JacksonmMatt of @Stanford, is a highly-awarded economist & the author of The Human Network: How Your Social Position Determines Your Power, Beliefs, & Behaviors:
web.stanford.edu/~jacksonm/book…

His episode of #ComplexityPodcast:
complexity.simplecast.com/episodes/12
Read 46 tweets
Oct 6
"Knowledge Representation in Judgment and Decision Making"

Today's SFI Seminar by @sdpbht (@Penn)

Follow this 🧵 for highlights!

Streaming now:


#knowledge #cognition #behavior Image
@sdpbht @Penn How do people evaluate potential decisions — the tradeoffs, the risks?

"How do people make assessments, and how can we *improve* those assessments?"
- @sdpbht

AND: What role does #memory (episodic and semantic) play in all of this?

#psychology #taxonomy ImageImage
Categorical thinking empowers inductive #reasoning.

(Here: How does what people know about #dolphins inform the likelihoods they assign to other agents, such as #ET?)



#Cognitive #Psychology Image
Read 7 tweets
Oct 5
🧵 "Designing #ActiveMatter in Space-time"

Today's SFI Seminar by @SurajShankar92 (@Harvard), streaming now:
"I consider the Organism, or natural Machine, a machine in which each part is a machine."
- #Leibniz

🦠 Energy → Work

"Active matter *employs* control, either internally [e.g., embryogenesis] or externally [e.g., with sheepdogs]."
- @SurajShankar92
@SurajShankar92 A potent control mechanism for active matter: using #optogenetics to paint portraits and drive micro-robotic ensembles made of modified #bacteria.

"What are the rules you need to follow and the policies you need to enact?"
- @SurajShankar92 contemplates design principles:
Read 11 tweets
Sep 12
"#Imitation vs #Innovation: Large #Language and Image Models as Cultural #Technologies"

Today's Seminar by SFI External Prof @AlisonGopnik (@UCBerkeley)

Streaming now:


Follow our 🧵 for live coverage.
"Today you hear people talking about 'AN #AI' or 'THE AI.' Even 15 years ago we would not have heard this; we just heard 'AI.'"
@AlisonGopnik on the history of thought on the #intelligence (or lack thereof) of #simulacra, linked to the convincing foolery of "double-talk artists":
"We should think about these large #AI models as cultural technologies: tools that allow one generation of humans to learn from another & do this repeatedly over a long period of time. What are some examples?"

@AlisonGopnik suggests a continuity between #GPT3 & language itself:
Read 14 tweets

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